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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
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