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Doctor insights on: Lump In Arm Under Skin

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I have a lump under my skin under my arm and it hurts. I popped it and it hurts still. What could it be? Is this serious? Or not to worry?

I have a lump under my skin under my arm and it hurts. I popped it and it hurts still. What could it be? Is this serious? Or not to worry?

A few possible: Answers are abscess (boil) which can happen spontaneously or precipitated by shaving, or if this has occurred before, this could be hidradenitis suppurativa which is a skin gland disorder typically causing abscess-like lesions under the skin in the underarm, groin and buttocks areas. ...Read more

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Soft-round-lump-under-skin in upper arm?

Soft-round-lump-under-skin in upper arm?

Lump: This is one of those "without seeing it, it's hard to tell." and in this case, it needs to be "felt" also. Common lumps are cysts and lipomas--benign fatty tumors. Have your doctor check it out. ...Read more

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Lump under my skin on my arm painless piliar cyst?

Lump under my skin on my arm painless piliar cyst?

Possibly: There are three things that this could be, a cyst, lipoma or a lymph node. I would see a doctor to make the diagnosis. ...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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Lump under skin in upper arm should I be worried ? Just smaller than a marble doesn't hurt when touched feels pretty soft ?

Lipoma?: This sounds like a benign collection of fatty tissue called a lipoma. It could also be a cyst. It is worthwhile having your doctor check to be certain, but sounds ok. ...Read more

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Top of my left arm on the back I have at least. 5 lumps under the skin all in same area, painless but do not no what they are?

Top of my left arm on the back I have at least. 5 lumps under the skin all in same area, painless but do not no what they are?

Hard to say: With just the description you gave it is hard to say. These lumps could be lipomas (benign fatty tumors) or they could be cysts (maybe less likely). Having them examined by your primary care doctor would help you figure this out. ...Read more

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I have two very small colorless lumps under the skin in my right arm pit that are only painful when pressed. What could this be?

Axillary lumps: Hard to say. Possibly lymph nodes, or sebaceous/inclusion cysts. Best bet is to see your physician to get these lumps evaluated. ...Read more

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L have many lumps under the skin of my arm and thigh. Some of them are painful. Its not noticible from out side and but notice when touching.

See your doctor: These may be simple fatty tumors that are annoying but not in any way harmful or possibly something more. They need to be looked at. ...Read more