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Merkel Cell Carcinoma

Definition

Merkel Cell Carcinoma, sometimes referred to as neuroendocrine carcinoma of the skin, is a rare form of skin cancer, caused when Merkel cells grow out of control. Merkel cells are found in the outer layer of the skin, or epidermis, and are thought to function as touch receptors.

Merkel cell carcinoma is most frequently found on sun-exposed areas of the skin, such as the head, neck, arms, and legs, but may occur on any part of the body. It does not have a distinctive appearance and is often confused with a cyst, fatty tumor (lipoma), or other form of skin cancer such as basal cell carcinoma.

Merkel cell carcinoma is a potentially aggressive form of skin cancer. However, when diagnosed and treated at an early stage, Merkel cell carcinoma can be effectively treated with a high cure rate. Eventually, it may metastasize (spread) to the lymph nodes and later to internal organs such as the liver, lungs, brain, bone, and other parts of the body.

Getting Diagnosed / Treatment

Merkel Cell Carcinoma is treated in the Multidisciplinary Cutaneous Oncology Clinic, part of the UM Health System's Dermatology Department. Learn more by visiting their web site.

 

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University of Michigan Comprehensive Cancer Center
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