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Skin Care and Diseases

Small hard lump on back of arm

02/28/2006

Question:

I have noticed a small hard lump that is under the skin and is on the back of my arm about 2 inches above my elbow. It doesn`t move. It is only painful if I push on it. I noticed it about two months ago. Is this anything that I should be worried about? Do tumors usually form in such an obscure area?

Answer:

I am quite concerned with your description of a hard lesion on your arm.  While this may be something as benign as an epidermoid cyst, the hard texture might suggest other diagnoses.  I would urge you to see your board certified dermatologist for biopsy and/or removal.  You should do that rather quickly since this appears to be a rapidly expanding lesion.  Good luck!

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Response by:

Charles L Heaton, MD
Professor
College of Medicine
University of Cincinnati