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Doctor insights on: How Do I Tell A Malignant Lump In The Armpit From A Benign One

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How do I tell a malignant lump in the armpit from a benign one?

How do I tell a malignant lump in the armpit from a benign one?

See your doctor: Hard to tell. Lumps can be confusing and concerning. Reasons to see your doc: pain, redness, fever, feeling bad all over, weight loss, a lump that's been there longer than 3-4 weeks, a lump that's changing no matter how long it's been there. If you have questions or you're just not sure, it's a good time to see your doctor. Hope this helps. ...Read more

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Malignant (Definition)

The term malignant can be used in several medical contexts, but is primarily used to describe cancers. More dangerous and disorderly than the benign growth of cells, malignant cells have developed genetic changes that can allow it to invade other tissues in an unregulated way. These tumors can later spread, or metastasize, to other parts of the body and ...Read more


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How can you tell if neck lumps are malignant or benign? I have two on my neck. One feels like it is deeper below the skin than the other.

How can you tell if neck lumps are malignant or benign? I have two on my neck. One feels like it is deeper below the skin than the other.

Mass on neck: The only way to know for certain is to have an FNA (fine needle aspiration). During this procedure a small needle is inserted into the mass and the cells collected are sent to a pathologist for examination. The other option is to have a surgeon remove them. At your young age the chances are great that these are benign. See your doctor. ...Read more

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My sister has two medium sized lumps on her chest between her shoulders and neck and one under her armpit. What could be the cause.

My sister has two medium sized lumps on her chest between her shoulders and neck  and one under her armpit. What could be the  cause.

Chest lumps: The causes of your sister's lumps can be multiple. It doesn't sound like they are in her breasts, though, but if they are, she needs to have them checked promptly. I suspect you may be referring to lymph nodes since lymph nodes are located in the armpits and in the areas between the shoulders and neck. I would have them checked as well as those lymph nodes may need prompt attention. ...Read more

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My spouse has a painless, small lump in his armpit. He had one before in the other pit but it went away. Any ideas what it could be? He has an appt.

Lump: Armpit lumps are often caused by ingrown hairs, wens or benign inclusion cysts. However, It's well to have a persistent lump checked by a physician to make sure it's not a pathological enlarged lymph node. ...Read more

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I have a lump under each armpit. One has gotten smaller and the other just showed up.they are painful to touch.they are small pea sized lumps and hard?

I'd Bet It's Sweat: May be small areas of infection.Sweat glands can get irritated or clogged then get bigger & painful. For some people it can become a big recurring problem so best to get it examined if,unlike the other side, it doesn't resolve in a few days.Until then,see if you are sensitive to your deodorant. The topical antibacterial gels with aloe work well but if you sweat a lot you may need something milder. ...Read more

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I have painful lumps under left armpit and one by my groin?

I have painful lumps under left armpit and one by my groin?

Lymph nodes?: It is always concerning to have swollen lymph nodes so it is important to see your doctor to be sure it is not that. It could also be cysts, or a condition called hidradenitis suppurativa (acne inversa). This also requires specialized treatment, so you'll want to see a dermatologist for sure to get a diagnosis and proper therapy. ...Read more

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I have a lump in my left armpit , it becomes large and pain full it's started before one week.

Abscess v. Lymphaden: This is either an abscess, an enlarged lymph node or other inflammatory lesion. You need to be seen and examined by a doctor. Go now. ...Read more

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I have had for 3 months now soreness in the creases of my armpits. Mostly one at a time. Sometimes both at the same time. I have no lumps. ?

I have had for 3 months now soreness in the creases of my armpits. Mostly one at a time. Sometimes both at the same time. I have no lumps. ?

Armpits: Without visual and physical exam cause is unclear;have you recently started to use or changed under arm deodorant /antiperspirant?Eliminating such on a trial basis mignt help ...Read more

Axilla (Definition)

Area of human body directly under the joint where the shoulder connects to the arm. It contains axillary vessels, brachial nerve plexus, lymph nodes & vessels, axillary ...Read more