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Doctor insights on: Weird Mole On My Arm

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Pre-cancerous mole on my arm. Just found out. What are my options?

Pre-cancerous mole on my arm. Just found out. What are my options?

Biopsy vs observe: I highly recommend a punch biopsy. This can be done by your primary care doctor, a surgeon, or a dermatologist. You can't really tell with 100% confidence if a mole is pre-cancerous based on its visual appearance. You have to examine it under the microscope. The other (poorer) option is to observe for changes in a few months. Take a high-quality digital photo with a ruler today for comparison. ...Read more

Dr. Coyle Connolly
1,108 Doctors shared insights

Moles (Definition)

A mole (also called a nevus) is a localized overgrowth of pigment-producing cells (melanocytes) in the skin. Most moles are benign. However, these cells can become cancerous. This is known as melanoma, ...Read more


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I just scratched a mole on my arm gently and it started bleeding, should I have it looked at?

I just scratched a mole on my arm gently and it started bleeding, should I have it looked at?

Yes: Don't want to alarm, but IMO any mole that misbehaves, including bleeding with minor irritation, should be taken VERY seriously. It is probably not melanoma, but this could be an early warning and you can never be too careful with this disease. It is a killer. And it can be cured if found and treated early. See someone and if they are unimpressed, ask why it bled and what if it IS a melanoma. ...Read more

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I have a mole on my arm which is raised and about 3mm big. I have noticed 3 tiny white patches in it is this bad?

I have a mole on my arm which is raised and about 3mm big. I have noticed 3 tiny white patches in it is this bad?

Sign: Color variegation in a mole is not a good sign, in general. I would recommend that you have this mole evaluated by a dermatologist very soon. ...Read more

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1 tiny mole on my arm has changed slightly, now a slight bump instead of just totally flat, still v. Small and doesn't itch but should I be concerned?

1 tiny mole on my arm has changed slightly, now a slight bump instead of just totally flat, still v. Small and doesn't itch but should I be concerned?

GET BIOPSY=be safe: To be safe: any mole change should be biopsied. Change could include: color change, increase in size, bleeding, starting to itch. Signs of melanoma are: assymetry of lesion, indistinct borders, colors red-black, size >1cm. ...Read more

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Could the change of the mole on my arm be serious? Recently a very small mole on my arm has become darker and smaller. It has a small red ring around it. It doesn't hurt at all only a little when I poke it. Also it definitely wants to come off but I'm not

Could the change of the mole on my arm be serious? Recently a very small mole on my arm has become darker and smaller. It has a small red ring around it. It doesn't hurt at all only a little when I poke it. Also it definitely wants to come off but I'm not

You: You have mentioned two of the warning signs of melanoma (change in size and two different colors).

While I don't really have enough medical information to give you a diagnosis, considering that melanoma is one of the most deadly cancers, and the incidence has skyrocketed, the best and safest thing to do is see a dermatologist and have it biopsied as soon as possible. ...Read more

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A mole on my arm has become darker and now has a black line running through it, its only small but I would like to know if it needs checking out?

A mole on my arm has become darker and now has a black line running through it, its only small but I would like to know if it needs checking out?

Changing mole: Any mole with visible changes, especially in color, size, symmetry, edges, should be evaluated by a dermatologist immediately. ...Read more

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Can a benign mole that was scratched off come back after a few months? I have a mole on my arm that was scratched off and now it's slowly returning.

Can a benign mole that was scratched off come back after a few months? I have a mole on my arm that was scratched off and now it's slowly returning.

Yes, it can.: The important thing to consider if a growth recurs is the possibility that a benign lesion could become malignant. It should be biopsied if it has returnted ...Read more

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I've had a mole on my arm for as long as I can remember. This summer it scabbed without me getting cut and has healed but is gone. Should I be concern?

I've had a mole on my arm for as long as I can remember. This summer it scabbed without me getting cut and has healed but is gone. Should I be concern?

If it....: Is gone and hasn't come back then I wouldn't worry about it. If it does come back I recommend seeing a dermatologist so that they can rule out if it is anything serious or not, but as of right now you are fine and shouldn't worry about it :]. ...Read more

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Worried about a mole on my arm, it may be melanoma. How to tell?

Worried about a mole on my arm, it may be melanoma. How to tell?

See a Dermatologist: Dermatologists are specialists on all types of skin conditions and can evaluate the mole on your arm. They can let you know if the lesion needs to be biopsied to see if it is, or is not, a melanoma. ...Read more

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I have a small mole on my arm and on my side. Do I need to see a dermatologist or can a GP tell if I can ignore them or if they need to be removed?

I have a small mole on my arm and on my side. Do I need to see a dermatologist or can a GP tell if I can ignore them or if they need to be removed?

GP: Initial evaluation by GP is appropriate. If you have past history of skin cancer or a familial history abd the moles are changing in color or size than a dermatologist would be appropriate. ...Read more

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I have a mole on my arm that my 3 yo has rubbed/picked at since he was an infant. It has changed to a lighter color & scabbed. Should I be concerned?

I have a mole on my arm that my 3 yo has rubbed/picked at since he was an infant. It has changed to a lighter color & scabbed. Should I be concerned?

Probably: It is not feasible to provide a meaningful opinion without examining you and even that may not be helpful. You may need to have the lesion removed and the tissue sent to a pathologist for examination. It would be prudent to consult your doctor. ...Read more

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I have a mole on my arm that was unchanged for years.  it randomly formed a scab and started bleeding, and is a bit painful. Is this immediate concern?

Worth an exam: Hopefully it will prove to be nothing big, but it always has been one of the signals to have an exam to catch early cancer - so I'd say "Do it! " Have an exam and let's hope it's nothing. Best! ...Read more

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I have a mole on my arm I've had for years but lately it keeps oozing puss and scabbing over and it's really itchy... Should I get it checked?

I have a mole on my arm I've had for years but lately it keeps oozing puss and scabbing over and it's really itchy... Should I get it checked?

Changing mole: Any mole that has recently changed needs to be seen by a dermatologist. As certain skin cancers are dangerous, please make that appointment soon. ...Read more

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Is a skin biopsy the only way to determine skin cancer? I have a mole on my arm that I am concerned about. I am scared to death that if I go to the dermatologist that he will order a biopsy to be done. Are there any other, less invasive ways of determini

Skin cancer: Skin cancer can be suspected by looking, however, the only way to know for sure is to do a biopsy. There are some benign growths that may be suspicious of skin cancer and vice versa. The most important thing to remember is the earlier the diagnosis, the better the chances of a complete cure, particularly for melanoma. If diagnosed late, melanoma does not have very good treatments. ...Read more

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What would the brown mole with a black line on my arm be?

Have it checked out: It's impossible to say online. You should have this checked out by a dermatologist or plastic surgeon. This might be totally benign or require removal to prevent problems down the road. I hope this information is helpful. ...Read more

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What can I do about a large lumpy wobbly mole under my arm?

Remove it: This is most likely an epidermal growth without deep roots. This can be easily removed by your family doctor or dermatologist in a brief office visit. ...Read more

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I have a mole under my arm that turned on the top what could this mean?

Injury: It is located in a place it may get rubbed. See a doctor to get it removed and she will biopsy it if it has changed color, size, shape, or texture. It is better to remove lesions than to wait for them to turn into cancer. ...Read more

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I scratched off a mole when I was scratching my arm is it going heal back to the way it was?

Probably.: Different people have different concepts of what a "mole" is, so I'm not sure exactly what you scratched off. But in general, stuff you scratch off accidentally grows back without any problems. If it starts to itch, bleed, change color, or grow rapidly, that's another story, and you'll need to have a dermatologist take a look at it. ...Read more

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Hi I caught my arm in a door and cut a mole off, it's hanging by a bit of skin, should I get it checked out or will it be ok? I have the mole 40 yrs. Thx

Should be fine: You should make sure the freshly exposed cut area is cleaned and covered to protect it from infection. The thread by which the mole is still hanging on will likely die and fall off due to lack of blood. ...Read more

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How do I treat a raised 2mm mole on arm?

See a doctor: Your doctor will help you decide when it is time to get them removed. Preferably before they grow, change color, shape or texture, . ...Read more

Dr. Coyle Connolly
479 Doctors shared insights

Nevi (Definition)

Nevi ...Read more