Histiocytomas are common benign (non-invasive, non-recurrent) tumours in young dogs.
These small growths usually occur singly on the head, limbs or ears, most often in dogs who are less than 2 years of age. These growths won't trouble your dog unless they are itchy.
The tumours are small (less than 3 cm), domed or flat, red, and may be ulcerated. They may or may not be itchy. Definitive diagnosis is by histopathologic examination of the tumour after removal. It is important to differentiate histiocytoma from other histiocytic diseases.
Surgery or cryosurgery (freezing) can be used to remove the tumour. Most of these tumours will disappear on their own after a few months.
FOR MORE INFORMATION ABOUT THIS DISORDER, PLEASE SEE YOUR VETERINARIAN.
Woods J, Latimer K, Bain P. Canine cutaneous histiocytoma
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