Page 190 - Manual of Equine Field Surgery
P. 190

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                                                                     186                                                                            MALE  UROGENITAL  SURGERIES












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                                                                                                                                                                                                                                                                                                                                                                                                                                                       median  raphe                                                                                          Figure 34-10, A                                                                                               •       The testicle  pro-











                                                                                                                                                                                                                                                                                                                                                                                                                                                      lapses  from  the  incision                                                                                                                                                 Figure  34-10, B                                                                                              •










                                                                                                                                                                                                                                                                                                                                                                                                                                                                           The testicle  is freed from  its attachment  to the
























 I                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Figures  34-10                                                                                       C and  34-11                                                                                       Exteri-


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        '                                                                                                   •






                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            -










                                                                                                                                                                                                                                                                                                                                                                                                                                                       ment                                       to                   the                          tunic                                            mesofuniculus                                                                                                          see                        Figure











                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            -
                                                                                                                                                                                                                                                                                                                                                                                                                                                       34-10,  C                                                       •        Because  the  testicle  has  been  exterior


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                -




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            •
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          •
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                •
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           incision                                                   of  the  tunic  and  without





















                                                                                                                                                                                                                                                                                                                                                                                                                                                       tunic  remains  within  the initial incision  and is not
                                                                                                                                                                                                                                                                                                                                                                                                            '








                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             •
                                                                                                                                                                                                                                                                                                                                                                                                                                                       exteriorized.                                                                                    The                                     cord                                        IS  then                                                            emasculated











                                                                                                                                                                                                                                                                                                                                                                                                                                                       without  the  tunic                                                                                                                 Figures  34-10                                                                                        D  and  34-12                                                                                 •


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        '


















                                                                                                                                                                                                                                                                                                                                                                                                                                                        created  in the  mesorchium  and  the  ductus  defer-



































  •  •
                                                                                                                                                                                                                                                                                                                                                                                                                                                        can also be  crushed  and  removed                                                                                                                                                                                                         Figure  34-13                                                                               •

















  •
  •
                                                                      Figure  34-8                                                                                                                                                                                                                                                                                                                                                                      ensure                                                                                                                                                                                  The                              incisions                                                         are                       left
 '                                                                                                                                                                     Using  the  tunic  to  maintain  exterior-                                                                                                                                                                                                                                                                                                                                                                                                                                                                 •                    •         •
  •





                                                                     ization  in  a modified  closed  castration.                                                                                                                                                                                                        a,              Cut  edge of                                                                                                                                                                                                                                                                                  •



  •  •
  •




                                                                     vaginal  tunic;  b,  testicle;                                                                                                                            c,            epididymis;  d,  proper  liga-









                                                                      ment  of the testes.








                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      •

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ena                                Circumstances







                                                                                                                                                                                    •
                                                                                                                                                                                                                                                                        ···-::  ::~:;:;'I;..,::, ..'
                                                                                                                                                                                                                                                                           . . . . . . . . .. .. .
                                                                                                                                                                                                                                                                                       . .
                                                                                                                                                                                                                                                                          ',\1)1}(\·· .....








                                                                                                                                                                                                                                                                                                                                                                                    .  .. :



                                                                                                                                                                                                                                                                    : ..    .. : .   ::_,_[.!:



  '  -







                                                                                                                                                                                                                                                                      . : : .  .                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       •

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Ill





















                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Large cords can also be



                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      •


















                                                                                                                                                                                                                                                                                                                                                                                                                                                         sected  or  crushed  with  emasculators  distal  to  the




































                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  n











                                                                                                                                                                                                                                                                                                                                                                                                                                                         Horses                                                  with                                     a                                                                          of










                                                                                                                                                                                                                                                                                                                                                                                                                                                         hernia  or  relatives  with  eventration  should  have










                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         •
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                tunic                                      and                                                                                                                                                                                  •










                                                                                                                                                                                                                                                                                                                                                                                                                                                         closed.                                                                 en






















                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   •



                                                                                                                                                                                                                                                                                                                                                                           •
                                                                        Figure                                               34-9                                          A                 window                                                   has                         been                                 created                                            Ill  the                                                                       spermatic                                                                 cord  and                                                              tunic                                      before                                            emasculation .









                                                                       mesorchium  to  allow for  separate  emasculation  of the                                                                                                                                                                                                                                                                                                                                                  en                      open                                     or                     modified  closed                                                                                                                                                                                      are










                                                                       musculofibrous  and  vascular  portion  of the  cord.








                                                                                                                                                                                                                                                                                                                                                                                                                                                         pattern .









                                                                                                                                                     •
                                                                                           en  Tee                                           mque









                                                                                                                                                                                                                                                                                                                                                                                                                                                                 •
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             are                         not                            accessible  for                                                                                    suturing,                                                           closure                                                 of











                                                                                                                                                                                                                                                                                                                                                                                                            -                                                                                                                                                                                                                                                                                                                    associated










                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  to                    prevent                                                    hernia-









                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       •
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         3'4
                                                                                                                                                  •
                                                                        castration                                                               Ill                                                                                                                                                                                                                                                                                                     tion.                                             The                                  superficial                                                                                                                                             •                             IS  closed









                                                                                                                                                                                                                                                                                                  •
                                                                                              •
                                                                                                                 •
                                                                        majonty                                                           of  the                                                                                                     tunic                                      IS  not                                            removed,



















                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         •
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        IS  closed  with  No.  2                                                                                                                      or























                                                                         •                    •         •                           •                                                                                                                                                                                                                 from  the                                                                                           an                                                                                                                 suture                                               pattern.                                                      Access                                                 to                      the


                                                                      11IlCIS10ll                                                  IS  made                                                   over                              the  testicle  1                                                                            cm                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     ,




























                                                                                                                                                                                                                                                                                                                                                      -


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          I




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       ,













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