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Atypical Fibroxanthoma

By Gregory L. Wells, MD, Staff Dermatologist, Ada West Dermatology, St. Luke’s Boise Medical Center, and St. Alphonsus Regional Medical Center

Atypical fibroxanthoma is a skin cancer that tends to grow slowly.

Atypical fibroxanthomas most commonly occur on the head and neck of older people. They may look like other skin cancers other than melanoma and often appear as pink-red raised areas or bumps that do not heal and may be tender.

Doctors base the diagnosis of atypical fibroxanthoma on the results of a biopsy. During this procedure, a small piece of skin is removed and examined under a microscope.

Atypical fibroxanthomas do not typically spread (metastasize) to other organs. Tumors are surgically removed, or Mohs microscopically controlled surgery is done.