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Mammary Tumor in Cats - Symptoms, Diagnosis & Surgical Treatment
Learn about feline mammary tumors, early detection, and surgical treatment options.
Mar 10, 2026
What is Feline Mammary Tumor?
Feline mammary tumors are highly malignant. Early detection and complete surgical removal are crucial.
Mammary Tumor
Symptoms
- Breast mass
- Nipple discharge
- Skin ulceration
- Enlarged lymph nodes
Diagnosis
Palpation, biopsy diagnose. Chest X-rays check for metastasis.
Treatment
Surgical excision is the primary treatment. In malignant cases, adjuvant chemotherapy (doxorubicin-based) may follow surgery.
Prevention
- Early spaying (before first heat, ~5-6 months): Prevention effect decreases with each heat cycle
- Regular breast exams
- Maintain healthy weight
Sources & References
- Veterinary Cancer Society - Mammary Tumors
Early spaying and regular exams provide best protection.