What does a histiocytoma look like on a dog? Histiocytomas typically appear as small, solitary, hairless lumps, usually on the head, neck, ears, and limbs. In some uncommon cases (in the case of Shar peis, in particular), multiple masses may be present at the same time.
What do histiocytomas look like? Histiocytomas are pink-red and hairless and appear on the surface of the skin. They’re round and solitary—that is, there are no other nearby lumps. They usually appear on the head or ears, although it’s possible for them to appear anywhere on the body.
What is inside a histiocytoma? Histiocytomas are a type of benign tumor on dogs. Tumors occur when cells multiply in an unregulated fashion. In the case of histiocytomas, the cell that’s responsible is the Langerhans cell, which is a part of the skin’s immune system.
What causes a histiocytoma in a dog? Causes of Canine Histiocytoma
Like all benign tumors, Histiocytomas happen when cells that behave differently than the cells surrounding it build up in a localized area, since the skin cells affected regenerate quickly these lumps often appear and disappear without warning or other symptoms.