Squamous cell skin cancer

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Squamous Cell Skin Cancer

Squamous cell skin cancer (pronunciation: /ˈskweɪməs/ /sel/ /skɪn/ /ˈkænsər/) is a common type of skin cancer that originates from the squamous cells in the epidermis, the skin's outermost layer.

Etymology

The term "squamous" is derived from the Latin word "squama" meaning "scale", referring to the scale-like appearance of the cells under a microscope. "Cell" is derived from the Latin "cella" meaning "small room", and "cancer" from the Greek "karkinos" meaning "crab", due to the crab-like spread of the disease.

Definition

Squamous cell skin cancer is characterized by the abnormal growth of squamous cells. It is typically caused by prolonged exposure to ultraviolet (UV) radiation, either from sunlight or tanning beds. While it can occur anywhere on the body, it is most commonly found on areas frequently exposed to the sun such as the face, ears, neck, lips, and backs of the hands.

Symptoms

Symptoms of squamous cell skin cancer may include a firm, red nodule or a flat lesion with a scaly, crusted surface. It is advisable to consult a dermatologist if any suspicious changes in the skin are noticed.

Treatment

Treatment options for squamous cell skin cancer include surgery, radiation therapy, and chemotherapy. The choice of treatment depends on the size, location, and aggressiveness of the cancer, as well as the patient's overall health.

Related Terms

  • Actinic keratosis: A rough, scaly patch on the skin that develops from years of exposure to the sun. It's most commonly found on the face, lips, ears, back of the hands, forearms, scalp or neck.
  • Keratoacanthoma: A low-grade, rapidly growing, benign skin tumour that appears to originate from hair follicles.
  • Basal cell carcinoma: A type of skin cancer that begins in the basal cells.

External links

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