Histiocytoma
Histiocytoma
Histiocytoma (pronunciation: his-tee-oh-sigh-toh-muh) is a type of tumor that originates from the histiocyte cells, which are a part of the immune system.
Etymology
The term 'Histiocytoma' is derived from the Greek words 'histio' meaning tissue, and 'cytoma' meaning tumor.
Definition
A Histiocytoma is a benign skin tumor that primarily affects dogs but can also occur in humans. It is characterized by the rapid growth of histiocyte cells, which are a type of white blood cell that plays a crucial role in the immune response.
Types
There are two main types of Histiocytomas:
- Cutaneous Histiocytoma: This is the most common type and it affects the skin. It is often seen in dogs, particularly those under three years of age.
- Malignant Histiocytoma: This is a more aggressive form of the disease that can spread to other parts of the body. It is rare in humans but can be seen in certain breeds of dogs.
Symptoms
Symptoms of a Histiocytoma can vary depending on the type and location of the tumor. Common symptoms include a small, firm, dome-shaped lump on the skin that may be red or pink in color. In some cases, the tumor may ulcerate and become inflamed.
Treatment
Treatment for Histiocytoma often involves surgical removal of the tumor. In some cases, if the tumor is small and not causing any discomfort, it may be left alone to regress on its own.
Related Terms
External links
- Medical encyclopedia article on Histiocytoma
- Wikipedia's article - Histiocytoma
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