Midline myelotomy of the clinically normal canine spinal cord.

Clinically normal dogs underwent dorsal laminectomy, durotomy, and full-thickness midline myelotomy between either the 1st and 2nd lumbar vertebrae or the 3rd and 4th lumbar vertebrae. The myelotomy was 1 1/2 vertebral bodies long and was performed with a microbalance spatula. Neurologic and histopathologic changes were recorded.

Nonneurogenic urinary incontinence in a canine female pseudohermaphrodite.

Nonneurogenic incontinence was observed in a 1-year-old Pekingese X Poodle with female pseudohermaphroditism. The dog had male external genitalia as well as a well-developed vagina, uterus, and ovaries. Urinary incontinence was caused by an anomalous communication of the prostatic urethra with the vagina.