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Doctor insights on: Small Hard Lump Under Skin On Arm

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Dr. Aaron Milstone
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Hard lump under skin on arm cancer?

Hard lump under skin on arm cancer?

Lump: A hard lump felt under the skin may be caused by a number of conditions including but not limited to epidermal inclusion cyst , lipoma , dermatofibroma, or cancerous growth. See a dermatologist for a proper evaluation. ...Read more

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Dr. Aaron Milstone
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He is 11 years old. My son has got a small hard lump under his arm. What is it?

He is 11 years old. My son has got a small hard lump under his arm. What is it?

Lymph node: A hard lump under the arm is most likely an enlarged lymph node, there so many causes for enlarged lymph nodes most common is infections, local or systemic, but if it is only one gland it is usually due to local infection, you need to take him to his pediatrician to check him, make proper diagnosis & R/O other causes for this lump. Good luck. ...Read more

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Hi, um I have a hard lump under my skin on my upper arm and then their one more starting to developed what is this ?

Hi, um I have a hard lump under my skin on my upper arm and then their one more starting to developed  what is this ?

Needs evaluation: Individual diagnoses are beyond the scope of this forum; HealthTap Prime or a doctor's office are needed to do that properly. In the case of diagnosing a hard lump under the skin, nothing beats the ability to feel it on physical exam in an office. ...Read more

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Dr. Aaron Milstone
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I've a hard lump under my skin on right upper arm?

I've a hard lump under my skin on right upper arm?

Skin Bumps: There are a number skin conditions that cause lumps and bumps to appear on the surface or just below the skin. The most common ones are lister below: skin cysts, cherry angioma, dermatofibromas, epidermoid cysts, folliculitis, keratoacanthoma, keratosis pilaris, lipomas, neurofibromas. ...Read more

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I have a small lump under the skin, it's the size of a jelly bean. It is a bluish purple color. It has moved about 4 inch up my arm in a couple days?

Bluish lump: It's hard to know exactly what this is without seeing it or touching it. For this lump to physically move also seems unusual. It's possible u have a hematoma there and some blood may have tracked up your arm. Do u remember any injury to the site? Does it hurt to touch? Did anyone grab you? An enlarged vein (varicose) might appear like this too. Hope u can get some relief. ...Read more

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I have a lump under my skin its in my under arm. I have had a small lump for a few years now once in, awhile it will swell and became tender.

I have a lump under my skin its in my under arm. I have had a small lump for a few years now once in, awhile it will swell and became tender.

Lymph node: It is probably a lymph node. They can swell in response to local infection. If you have a history or risk for cancer though, should ask a dr to look at it. ...Read more

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Dr. Aaron Milstone
Board Certified, Pulmonology
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