Table 6.4 Neoplasms in cats.

Site % Cell type %
Lymph node 31 Lymphoma and lymphocytic leukaemia (about 50% are associated with feline leukaemia virus) 38
Haemopoietic 16 Miscellaneous leukaemia 20
Skin 7 Squamous cell carcinoma 9
Mammary gland 5 Adenocarcinoma 9
Nose 3-4 Fibrosarcoma 4
Soft tissue 3-4 Reticulum cell sarcoma 3
Oral cavity 3-4 Carcinoma 3
Bone, joint 3 Adenoma 2-3
External ear 2 Mast cell tumour 1-2
Thyroid adenoma Very common tumour in cats* Osteosarcoma 1



* NB This table has been compiled after Hodgkins 1980, and was based on data that existed before the recognition of thyroid adenoma as a common cause of hypenthyroidism in middle aged to old cats (no cases having been reported in a cat less than 6 years of age.