What is Histiocytoma in Puppies and Dogs: Causes, Treatment, and Home Remedies

Possible causes of histiocytoma

Histiocytomas, like many tumours/growths, can develop quickly. They also have few direct causes.  

Here are some things to consider if you’re concerned your dog may have developed one: 

• Age – they’re more commonly seen in younger dogs. 
• They can appear due to an immune response, but the exact reason the skin tumours grow is not known. 
• While they can occur in any breed, there are some that may have a higher risk of developing histiocytomas, including Labrador Retrievers, Boxers, Staffordshire Bull Terriers, English Bulldogs, Scottish Terriers, Greyhounds and Dachshunds. 
• There may be some hereditary or genetic influence for certain dogs who develop them. This means their parents or grandparents may have experienced histiocytomas. 

Treating histiocytoma

All lumps and bumps should be examined by your vet. This ensures a full health check and diagnosis, which will shape your dog’s treatment plan.

Your vet will likely start with asking you to look out for behaviours in your dog such as licking or scratching at the growth area, which can cause inflammation or infection. A diagnosis will be made by sending a section of the growth (or entire growth if removed) to a laboratory.

Afterwards, your dog may need to wear a buster collar to help to prevent interference with the area. This helps the healing process, prevents more issues developing, and keeps the area clean and dry.

If the growth is not removed, it can be useful to take photos for comparison and monitor for any changes in size or appearance.  Check your dog regularly and make a note of any new growths on their body.

Check your dog regularly and make a note of any new growths on their body.