Superior orbitectomy and chemotherapy in a dog with frontal sinus squamous cell carcinoma: a case report and review of the literature.

A superior orbitectomy can be a challenging but accomplishable surgical option in dogs with a tumor which involves the dorsal bony part of the orbit. The procedure described in this report can be vision-sparing and life prolonging even in a case of an aggressive growing frontal sinus squamous cell carcinoma.