2979. A spayed female cat had recurrent breast tumour and died.

Sunday, Aug 30, 2015
Female spayed cat, 10 years old passed away at home. In the last 2 weeks, the breast tumour recurred and grew fast, the owner said.


HISTORY
Feb 16, 2015.
Mastectomy, Left mammary gland 1 enlargement,  8cm x 6 cm x 0.5cm excised.  Invasive ductal carcinoma. Lymphvascular invasion is seen.

Mar 7, 2015
Thin, vomiting. Painful kidney (left).  Total white cell count very low. Neutrophil % 24%, 0.55 absolute numbers low.  Platelet very low. Had used tiger balm ointment on cat or surroundings.

TODAY
Aug 30, 2015
Left mammary gland 1 and another nearby.

Spayed cats may develop breast cancer but rarely.