Page 580 - Equine Clinical Medicine, Surgery and Reproduction, 2nd Edition
P. 580

Reproductive system: 2.2 The male reproductive tr act                     555



  VetBooks.ir  surgical intervention. The affected testis cannot   if  semen quality  and  fertility  are good. Unilateral
                                                         orchidectomy is the only definitive treatment.
          usually be saved and unilateral castration is recom-
          mended.  The  spermatic  cord  should  be  removed
          proximal to the origin of the torsion.         Prognosis
                                                         The prognosis is good if semen quality and fertility
          Prognosis                                      are good.
          The prognosis for future fertility of the remaining
          testis is good, provided the condition is recognised  FUNICULITIS OF THE SPERMATIC CORD
          and treated rapidly before thermal, ischaemic-reper-
          fusion or immunological injuries to the unaffected   (See also Chapter 2.3, p. 583.)
          testis occurs.
                                                         Definition/overview
          VARICOCOELE                                    Funiculitis is inflammation  of the spermatic cord,
                                                         also known as scirrhous cord.
          Definition/overview
          A varicocoele is an abnormal distension and tortuos-  Aetiology/pathophysiology
          ity of the veins of the pampiniform plexus within the   Funiculitis is most frequently a complication of cas-
          spermatic cord.                                tration. Other rare causes in intact stallions include
                                                         trauma, foreign body, neoplasia, orchitis and stron-
          Aetiology/pathophysiology                      gyle larvae migration.
          Varicocoele is associated with infertility and reduc-
          tion in semen quality in both men and rams; however,  Clinical presentation
          its effect on reproduction in stallions is not known.   The affected animal presents with swelling of
          Effects on fertility are postulated to be the result   the spermatic cord. If the history includes recent
          of inadequate cooling via the pampiniform plexus.     castration, there may be drainage of purulent
          Varicocoeles are thought to arise from defects in the   material from the scrotum and pyrexia. Excessive
          valves of the spermatic veins or from defects in the   granulation tissue with chronic infection can
          fascia surrounding the veins.                  result in the formation of a very large cord stump
                                                         (scirrhous cord). Intact stallions with funiculi-
          Clinical presentation                          tis present with a swollen, firm cord and testic-
          Varicocoeles are usually detected during routine   ular enlargement if funiculitis is an extension of
          BSE. They may be visible by inspection of the neck   orchitis/epididymitis.
          of the scrotum, and palpation of the spermatic cord
          reveals  a  lumpy  texture.  Doppler ultrasonography  Differential diagnosis
          confirms the structures are vessels.           Spermatic  cord  torsion;  spermatic  cord  neoplasia;
                                                         varicocoele.
          Differential diagnosis
          Neoplasia of the spermatic cord; cord torsion;  Diagnosis
          funiculitis.                                   Diagnosis is based on history and clinical signs as
                                                         discussed above.
          Diagnosis
          Ultrasonographic imaging and Doppler examina-  Management
          tion of the affected cord are diagnostic.      Post-castration funiculitis requires surgical exci-
                                                         sion, often with the incision left open for drainage.
          Management                                     Postoperative antibiotics, anti-inflammatories, walk-
          Since there is no clear evidence for a detrimental effect   ing exercise and wound cleaning are important.
          in the stallion, no treatment is currently recommended   Treatment and prognosis for funiculitis accompanying
   575   576   577   578   579   580   581   582   583   584   585