VSR 421: Regional Veterinary Surgery (2+1)

INCISION SITE

Bull

• Post scrotal site: For removal of obstruction at the sigmoid flexure, about 3 inches behind the scrotum along the median line.
• Ischial site: For obstruction close to the ischial arch. Two inches below the ischial arch downwards along midline.
• Ventral approach: Between scrotum and preputial orifice 5-6 inch incision over the midline centering the lodged calculi.

Horse

• The median line of perineal region, at or below the level of ischial arch.

Dog

• At the seat of obstruction (the commonest site of obstruction is behind the os-penis and occasionally calculi lodged at the ischial arch).

Sheep and goat

• The urethral calculi in rams and wethers are mostly lodged in the urethral process or in the sigmoid flexure.