Unusual presentation of a metastatic XXXX in a cat.

@entity1 @entity5 @entity2184 @entity3061 @entity158 @entity3 @entity320
A 10 year-old, spayed female Domestic Short-Haired (DSH) cat was diagnosed with a large primary @entity2184 and exenteration was recommended. Thoracic radiographs, abdominal ultrasonography, and complete blood count and serum biochemistry panel did not reveal any abnormality compatible with @entity3 and surgery was performed. Histopathologic study of the eye confirmed a @entity320 . Five months later, the cat presented with a lameness of the right anterior extremity. On physical exam the right elbow was swollen and @entity158 . Radiographs showed a severe @entity3061 of the radial head and proximal diaphysis. Fine needle aspiration of the radius head identified a round cell @entity5 with scattered cells containing intracytoplasmatic pigmented granules, compatible with @entity320 . The owners decided not to treat the @entity1 with chemotherapy and declined a biopsy. Two months later, the cat died and necropsy was performed confirming bone metastasis of the @entity2184 . A diagnosis of generalized metastasis from primary @entity320 was made. This report describes, for the first time, long bone metastasis from an @entity2184 in a cat.
