Page 203 - Manual of Equine Field Surgery
P. 203

Cryptorchid  Castration                                     199






                                                                                                                                                       The  testicle is removed  by emasculation  or lig-


                                                                                                                                                 ation  and  transection.  Some  testicles  will  not  be



                                                                                                                                                 able  to  be  exteriorized  sufficiently  to  effectively


                                                                                          ·  Inguinal  extension                                 apply emasculators  and will require ligation.  If the

                                                                                           of the  gubernaculum
                                                                                                                                                 vaginal  ring has been opened  or is wider than  one



                                                                                            Vaginal  process                                     finger  width,  the  superficial  inguinal  ring  should

                                                                                                                                                 be  closed  with  No.  2  or  3  synthetic  absorbable



                                                                                                                                                 suture  material in an interrupted  pattern.  Further


                                                                                                                                                 closure  of  the  subcutaneous  tissues  and  skin  is


                                                                                                                                                 optional.








                                                                                                                                                 Modified Parainguinal Approach




                                                                                                                                                 This  approach  can  be  used  when  the location  of



                                                                                                                                                 the testicle  is known to be  abdominal  or when  the


                                                                                                                                                 noninvasive  method  has  been  attempted  but the
                                                                          1t.t,:;;,,..,,t;,~J; <.Vlo--
                                                                                                                                                                                                                5
                      Figure  35-8  Schematic  view  of  eversion  of  the                                                                       vaginal  process  not  located.  A  10-cm  skin  inci-


                     vaginal  ring with  sponge  forceps                                                                                         sion  is  made  2 cm parallel to the medial border  of

                                                                                                                                                 the  superficial inguinal  ring beginning  3 to 4 cm



                                                                                                                                                 cranial to the cranial extent of the ring (Figure  35-


                                                                                                                                                 9,  A).  A 4-cm  incision  is  made  into  the  aponeu-





























                                                                                                                                                                                                                                      c














                                          A



























                                                                                                                                                          Tail of epididymis




                                                                                                                                                                 Proper  lig.  of testis




































                                                     B




                      Figure 35-9  Modified  parainguinal  approach  for  removing  an  abdominal  testicle.  A, Incision  in the  aponeurosis


                      of the external  abdominal  oblique.  B, Schematic  view  of sweeping  the  deep  inguinal  ring  for testicular attachments.


                      C, Closure  of the  aponeurosis  of the  external  abdominal  oblique.
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