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What causes painful lump in arm while suffering from fibromyalgia?

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Posted on Mon, 14 Dec 2015
Question: I have a very hard painful lump under my skin on my left arm its above my wrist and like the inner side. Its painful to touch. I am so scared I have only just found it. For months I have been in agony with my shoulders and have been told I have fibromyalgia. I am worried sick now found lump that I have something sinister like cancer please please help asap
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Answered by Dr. Grzegorz Stanko (6 hours later)
Brief Answer:
This is not a cancer.

Detailed Answer:
Hello.

Thank you for the query.

Can you please attach a photo of this lump? Without it it is really hard to give valuable answer.
From your description, most probably this lump is a ganglion cyst. This kind of lump is always benign. Due to weak connective tissue and some minor injury a cyst appears. It is connected with a tendon and filled with clear fluid.
Generally any cancer in this location is very rare. Moreover, cancer never gives painful lump. In case of cancer such lump would be painless.

Hope thisbwill help. Feel free to ask further questions.
Regards.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Follow up: Dr. Grzegorz Stanko (17 hours later)
Just to let you know I have cellulitis in my arm. I had to go to the hospital with severe pain x
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Answered by Dr. Grzegorz Stanko (13 hours later)
Brief Answer:
Without seeing it its hard to give good diagnosis.

Detailed Answer:
That is why I have asked you about the photo. Without it usually it is hard to give valuable answer. Are you sure this is cellulitis? Usually this condition does not cause a lump. It rather gives swelling of the tissues with pain and tightness.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Follow up: Dr. Grzegorz Stanko (3 hours later)
Its been caused by an insect bite x
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Answered by Dr. Grzegorz Stanko (4 hours later)
Brief Answer:
That explains everything.

Detailed Answer:
Well, that explains everything.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Grzegorz Stanko

General Surgeon

Practicing since :2008

Answered : 5769 Questions

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What causes painful lump in arm while suffering from fibromyalgia?

Brief Answer: This is not a cancer. Detailed Answer: Hello. Thank you for the query. Can you please attach a photo of this lump? Without it it is really hard to give valuable answer. From your description, most probably this lump is a ganglion cyst. This kind of lump is always benign. Due to weak connective tissue and some minor injury a cyst appears. It is connected with a tendon and filled with clear fluid. Generally any cancer in this location is very rare. Moreover, cancer never gives painful lump. In case of cancer such lump would be painless. Hope thisbwill help. Feel free to ask further questions. Regards.