Other Skin Cancers

AFX (Atypical Fibroxanthoma)

A tumor common on the skin of the head, scalp and neck in older adults caused by sun damage or radiation. Lesions usually suggest malignancy because of the rapid growth (a few weeks or months. The lesions will appear as red, juicy, and dome shaped. Some lesions may be ulcerated. Treatment is tumor removal by simple excision or Mohs micrographic surgery.

DFSP (Dermatofibrosarcoma protuberans)

Mole Removal

A slow growing skin cancer, can go unnoticed for months to years. The first signs of DFSP are:

As the cancer grows the middle layer of skin starts to push on the top layer of skin, creating a hard or rubbery lump knows as a protuberan. The lump will continue to grow, stretching the skin and you may notice these signs of the affected skin:

Over more time, more lumps can appear and will grow rapidly. In adults the lumps will range from a violet color to reddish brown. In those younger the color can be blue to red in color. If pregnant the DFSP will grow even faster. DFSP is more common in the younger population between the ages of 20-50.

Merkel Cell Carcinoma (MCC)

A rare but dangerous skin cancer. MCC was not recognized until the 90’s, when a new strain was developed that would differentiate between MCC and other cancers. Risk factors include:

In looking for MCC the first signs are:

MCC is very lethal. Comparing MCC to Melanoma and non melanoma skin cancer, MCC is 30 times more rare, but twice as lethal. MCC has a one in three mortality rate, where melanoma is one in six mortality rate. Early detection and treatment are critical. 


A form of cancer, characterized by abnormal, uncontrolled cellular growth forming a malignant tumor amongst the smooth muscle cells. Invading surrounding tissues and possibly spreading or metastasizing to other body sites by means of the bloodstream, lymph system or other means. A lelomyosarcoma can be found almost anywhere since smooth muscle is found all over the body.

The exact cause is unknown.

Angiosarcoma (AS)

An aggressive, uncommon tissue cancer that appears in the lining of blood vessels. Angiosarcomas tend to recur locally and metastasize to further places in the body. Risk factors are:

The mortality rate is high. Although they appear in all different sites and organs, they may occur in any region of the body. Of the various skin cancers, Angiosarcomas most commonly appear in the liver, breast, spleen, bone or heart. Clinical manifestations are as follows:

The causes of angiosarcoma is unknown, they may develop as a complication from a preexisting condition. Risk factors are:

Schedule a Skin Cancer Screening

If you have concerns with the health of your skin or need further information on Skin Cancer types, treatment, or prevention, please feel welcome to call High Valley Dermatology.

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