LYMPHANGIOSARCOMA IN A DOG PRESENTING WITH MASSIVE HEAD AND NECK SWELLING

A three-year-old, neutered male Chesapeake Bay retriever was presented for acute onset of severe, progressive swelling of the head neck, and cranial trunk Diffuse lymphangiosarcoma involving the superficial and deep dermis and subcutaneous tissue was observed on skin biopsies. Ly mphangiosarcoma is a rarely reported tumor of the lymphatic system in dogs and cats. The importance of obtaining skin biopsies in animals wi th acute edema of unknown etiology is emphasized. Additionally, neopla sia should be considered as a potential diagnosis in a dog with an acu te onset of edema.