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Large bump on upper back

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I have a large bump the size of a avocado on the upper part of my back. It has been there for over 4 years now, and I want to know what it may be. It does not hurt at all and it has not grown or moved since I first got it. Please Help!!!

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replied March 20th, 2010
Cancers Answer A10759
Hi, welcome to the ehealth forum and I am glad to help you.
You seem concerned by the large bump (mass) on your upper back which has stayed the same size for the last 4 years.
The possibilities in your case as per your description include benign soft tissue tumors such as lipoma, angiolipoma, fibroma, benign fibrous histiocytoma, neurofibroma, schwannoma, neurilemmona, hemangioma, giant cell tumor of tendon sheath, and myxoma. Some conditions, like nodular fasciitis, are not tumors, but may require similar treatment. A small number of these tumors may be related to an underlying inherited condition. The majority of the tumors in this category are benign tumors of fat called lipomas. Lipomas frequently occur just beneath the skin as a soft painless bulge which grows slowly over a period of months to years. These tumors represent very little risk to the patient and can be adequately treated by a "marginal excision" which is commonly described as "shelling out the tumor." This type of treatment has a high rate of success. However, not all of these lumps need to be removed. Your physician may determine that the lipoma needs only to be observed. Some of these lipomas are deep below the fascia or with the muscle group. Care needs to be taken to distinguish these deep "lipomas" from cancers and lower grade cancers.
Hope this helps. Take care.
Note: This post is not to emphasise final diagnosis as the same cannot be made online and is aimed just to provide medical information and no treatment suggested above be taken without face to face consultation with health care professional.

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