Trichilemmal carcinoma
Trichilemmal Carcinoma
Trichilemmal Carcinoma (pronounced trik-i-lem-al kar-si-no-ma) is a rare type of skin cancer that originates from the outer root sheath of the hair follicle.
Etymology
The term "Trichilemmal" is derived from the Greek words "trichos" meaning hair and "lemma" meaning husk. It refers to the clear cells in the outer root sheath of the hair follicle that this carcinoma affects.
Definition
Trichilemmal Carcinoma is a malignant tumor that is histologically similar to trichilemmoma, a benign skin tumor. However, unlike trichilemmoma, trichilemmal carcinoma has the potential to invade surrounding tissues and metastasize to other parts of the body.
Symptoms
The most common symptom of trichilemmal carcinoma is a slow-growing, painless nodule on the scalp or face. The nodule may be flesh-colored or slightly reddish and can vary in size. Other symptoms may include ulceration or bleeding of the nodule.
Diagnosis
Diagnosis of trichilemmal carcinoma is typically made through a biopsy of the nodule. The biopsy sample is then examined under a microscope to look for the characteristic clear cells of trichilemmal carcinoma.
Treatment
Treatment for trichilemmal carcinoma typically involves surgical removal of the tumor. In some cases, radiation therapy or chemotherapy may be used if the cancer has spread to other parts of the body.
Prognosis
The prognosis for trichilemmal carcinoma is generally good if the cancer is detected early and treated promptly. However, if the cancer has spread to other parts of the body, the prognosis may be less favorable.
Related Terms
External links
- Medical encyclopedia article on Trichilemmal carcinoma
- Wikipedia's article - Trichilemmal carcinoma
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