Sebaceous carcinoma
Sebaceous Carcinoma
Sebaceous carcinoma (/sɪˈbeɪʃəs kɑːrsɪˈnoʊmə/) is a rare and aggressive form of cancer that originates in the sebaceous glands. The etymology of the term comes from the Latin sebaceus (meaning 'made of tallow') and the Greek karkinos (meaning 'crab or cancer').
Definition
Sebaceous carcinoma is a type of skin cancer that begins in the oil-producing glands of the skin. These glands are connected to the hair follicles and are responsible for the production of sebum, an oily substance that helps to lubricate the skin and hair.
Symptoms
The most common symptoms of sebaceous carcinoma include a painless lump or thickening in the skin, often on the eyelid, but it can occur anywhere on the body. Other symptoms may include changes in skin color, bleeding, or a sore that doesn't heal.
Causes
The exact cause of sebaceous carcinoma is unknown. However, it is believed to be associated with a mutation in the tumor suppressor genes, exposure to radiation, and a rare inherited condition known as Muir-Torre syndrome.
Diagnosis
Diagnosis of sebaceous carcinoma typically involves a physical examination and a biopsy of the affected tissue. Further tests such as imaging studies and lymph node biopsy may be required to determine the extent of the disease.
Treatment
Treatment options for sebaceous carcinoma include surgery, radiation therapy, and chemotherapy. The choice of treatment depends on the size, location, and stage of the cancer, as well as the patient's overall health.
Prognosis
The prognosis for sebaceous carcinoma varies depending on the stage at diagnosis, the patient's overall health, and the effectiveness of treatment. Early detection and treatment can significantly improve the prognosis.
Related Terms
External links
- Medical encyclopedia article on Sebaceous carcinoma
- Wikipedia's article - Sebaceous carcinoma
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