Photo courtesy Dr. Kendra Freeman A six-year-old female spayed domestic shorthair cat presents for three years of constipation. 1. The most common cause of feline megacolon is: a. Pelvic trauma b. Neurologic disorders c. Idiopathic 2. Once megacolon has developed, the colon may return to normal diameter once the fecal material is evacuated? a. True b. False - Megacolon is end-stage with permanent dilation of the colon 3. The surgical treatment of choice for megacolon is: a. Colotomy b. Colopexy c. Subtotal colectomy