Ovarian remnant syndrome (ORS) is a recognised complication of female dog and cat neutering. Recognising the symptoms and confidently diagnosing ORS is useful to review – especially as the symptoms may present many months, or indeed years, after the original surgery and with a large variation in severity and presentation.

Ovarian remnant syndrome (ORS) is commonly seen in cats and dogs. It has been suggested that it is more common in cats due to the feline anatomy which makes it more difficult to break down the proper ligament and harder to exteriorize the ovary.

2019年4月25日 · Your bitch or queen may attract male cats or dogs; female dogs may have periodic vulvar enlargement and can have a bloody vaginal discharge. Any behavioral signs that you might normally see in a bitch or queen in heat can be observed.

Ovarian remnant syndrome does not cause symptoms until the dog enters her estrous (heat) cycle. Dogs typically cycle twice yearly. Signs of heat are related to elevated estrogen levels produced by ovarian tissue, and may include: Vaginal discharge (may contain blood) Vulvar swelling; Mammary development

2013年10月28日 · Whether the patient is a dog or a cat, ovarian remnant syndrome is suspected when a spayed female pet appears to be coming into heat, something that should be impossible after spaying. A spayed female has had both her ovaries removed and should not cycle and should not display behaviors typical of heat.

Ovarian remnant syndrome testing consists of AMH and progesterone testing on a single sample. A positive AMH test is consistent with the presence of an ovarian remnant, but a negative AMH test does not rule out the presence of a remnant .

2024年11月13日 · Ovarian remnant syndrome (ORS) is a condition that can affect spayed female dogs. It occurs when ovarian tissue is unintentionally left behind during the spaying procedure. This remaining tissue can become functional, producing hormones and leading to signs of heat even after the dog has been spayed.

2019年8月23日 · Thanks to the AKC Canine Health Foundation and its donors, veterinarians now have a better tool to diagnose ovarian remnant syndrome and to determine the sex status of bitches with unknown medical history.

2024年7月15日 · Ovarian Remnant Syndrome (ORS) is a condition where a spayed female dog (bitch) shows signs of heat due to the presence of functional ovarian tissue left behind after an ovariohysterectomy.

Ovarian remnant syndrome is a well-recognized complication of surgical sterilization in dogs and cats. It is characterized by a return of estrus behavior months to years after sterilization.