Histiocytoma in dogs

By
✔ MRCVS
LMV
MSc
Updated October 16, 2025
3 min read

Overview

Symptoms

Risk

Diagnosis

Vet Treatment

Home Treatment

Recommended Products

Prevention

When to worry

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Histiocytoma in dogs

By
✔ MRCVS
LMV
MSc
Updated October 16, 2025
3 min read

Canine cutaneous histiocytoma is a common type of skin lump in dogs, especially those less than 3 years old. Most of the time histiocytomas cause no problems and will disappear within 3-4 weeks.

Usually, a histiocytoma is a raised lump or spot on the skin that causes no discomfort. If there is soreness, inflammation or the lump is growing rapidly, a fine needle aspirate can be done to rule out other problems. If a histiocytoma has become injured or infected, surgery to remove it will usually resolve the problem.

What is a histiocytoma in dogs? >What is a histiocytoma in dogs? [Overview

Symptoms of histiocytoma in dogs >Symptoms of histiocytoma in dogs [Symptoms

Dogs at higher risk for histiocytoma >Dogs at higher risk for histiocytoma [Risk

Diagnosis of histiocytoma in dogs >Diagnosis of histiocytoma in dogs [Diagnosis

Vet treatment of histiocytoma in dogs >Vet treatment of histiocytoma in dogs [Vet Treatment

Home treatment of histiocytoma in dogs >Home treatment of histiocytoma in dogs [Home Treatment

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Prevention of histiocytomas in dogs >Prevention of histiocytomas in dogs [Prevention

When to worry about a histiocytoma on your dog >When to worry about a histiocytoma on your dog [When to worry

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