ORS results when functional normal or neoplastic ovarian tissue remains after ovariohysterectomy. • The primary differential diagnosis is adrenal disease. Similar clinical signs of estrus, vulvar swelling, and alopecia are noted. • A plasma androgen and estrogen hormonal panel (“adrenal” panel) analysis, abdominal ultrasonography, and exploratory laparotomy can aid in diagnosis. However, the “adrenal panel” will not allow differentiation between these two diseases. • Hormones within the “adrenal panel” have greater value in monitoring the effects of treatment. Upon removal of remnant ovarian tissue, clinical signs should resolve within days. • Clinical signs and history are the most useful diagnostic assessments. • Physical examination will detect a swollen vulva. • Abdominal palpation is generally unrewarding because ovarian remnants are rarely large enough to be felt. • Complete blood count (CBC) is of benefit to check for anemia and/or thrombocytopenia if the ferret has been showing signs of estrus for >3 weeks.
Ovarian Remnant Syndrome
Basic Information
Clinical Presentation
Disease Forms/Subtypes
Diagnosis
Differential Diagnosis
Initial Database
Advanced or Confirmatory Testing
Diagnosis of ovarian remnant by plain radiography is difficult because of small size of the remnant and opacity of ovarian tissue similar to that of surrounding abdominal tissue.
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Ovarian Remnant Syndrome
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