Category:Liver - Proliferative Pathology

Especially in the dog, the liver is frequently affeced by both primary and secondary neoplasms.

Secondary tumours

• Secondary metastatic involvement of the liver is very common
• in the dog, malignant pancreatic and splenic tumours commonly metastasise to the liver

Melanomas

• uveal melanoma in the cat

Lymphosarcoma

• the most common secondary malignancy
• can be present as nodules or be diffuse infiltration along the portal tracts

Gross

• enlarged liver
• turgid and friable
• many minute pale foci
• diffusely pale

Microscopically

• tumour cells are seen to spread diffusely through the sinusoids

Carcinomas

• from a variety of origins

Sarcomas

Mast cell tumours