Regression of subcutaneous lymphoma following removal of an ovarian granulosatheca cell tumor in a horse.

9-year-old Arabian mare was referred to the Uni­versity of Florida Veterinary Medical Teaching Hospital for evaluation of multiple subcutaneous nod­ules and infertility. The mare also had signs of stallion­like behavior around other mares for approximately 5 months. The mare had subcutaneous nodules for approximately 1 year prior to admission. The nodules varied