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+ General Considerations
- Uterine tumors are rare and account for 0.2%-1.5% of all feline tumors
- Uterine ADC is more common in cats and arises from the endometrium (= endometrial carcinoma)
- Metastatic sites include cerebrum, eye, ovary, adrenal glands, lungs, liver, kidney, bladder, colon, diaphragm, and regional lymph nodes
- Other uterine tumors include leiomyoma, leiomyosarcoma, FSA, LSA, fibroma, and lipoma
+ Clinical Signs
- Middle-aged to older animals
- Abdominal enlargement with palpable abdominal mass
- Vaginal discharge is common and can vary from purulent to mucoid to darkly hemorrhagic
- Other signs include abnormal estrous cycles, polyuria-polydipsia, vomiting, and abdominal distension
+ Diagnosis
- Abdominal palpation
- Survey radiographs and ultrasonography to confirm origin of mass
- Histopathology
+ Treatment
- Ovariohysterectomy
- Role and effectiveness of chemotherapy and radiation therapy is unknown
+ Prognosis
- Surgical excision is curative for leiomyoma and other benign lesions
- Prognosis is good for leiomyosarcoma and other malignant tumors if surgical excision is complete and there is no evidence of metastatic disease
- Prognosis is guarded for feline endometrial carcinoma due to metastatic potential
