Image Quiz: Dermatology—A growing eyelid mass

Image Quiz: Dermatology—A growing eyelid mass

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Dec 13, 2010

This puppy has a raised, pink, dermal mass on its eyelid that is increasing in size.

An intralesional injection of triamcinolone was administered with no improvement. A fine-needle aspirate of the mass was obtained for cytologic examination.




What is your diagnosis?

a) Mast cell tumor

b) Cutaneous lymphoma

c) Histiocytoma

d) Plasmacytoma