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Doctor insights on: Does A Biopsied Mole Grow Back

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Does a biopsied mole grow back?

Does a biopsied mole grow back?

Mole biopsy: It depends on the type of mole biopsied. If your mole is raised and a shave biopsy was done the mole could grow back. Intradermal and compound nevi have a deep component so if the biopsy is a shave, the deeper component may grow back but this may take a long time. ...Read more

Dr. Corey Clay
2 doctors shared insights

Biopsy (Definition)

Biopsy is tissue removed by needle or cutting to remove part of a body part. It is usually a small amount of material that is processed by a pathologist. Most of the time it is stained and looked at through a microscope to arrive at a diagnosis. Special processes are done for some tissues or problems. The purpose is to tell what the problem is (diagnosis). ...Read more


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I had a mole on back biopsied. Dr said it was very slightly atypical, so she wants to recheck in 6 mos. If it grows back, is this a bad sign?

I had a mole on back biopsied. Dr said it was very slightly atypical, so she wants to recheck in 6 mos. If it grows back, is this a bad sign?

Not necessarily.: Did she take out the whole mole or just biopsy part of it? Knowing that would help us answer the question properly. Get your follow-up as scheduled. But if it changes rapidly, call and see if you should go back sooner. ...Read more

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Does bad news come back faster for mole biopsies?

Does bad news come back faster for mole biopsies?

NO: Sometimes the pathologists diagnosing the tissue require consultations that maytake weeks. Straight forward diagnosis takes less time. ...Read more

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Mole biopsied 3 months ago came back as a benign congenital mole. It is now starting to growing back in areas. Is this a concern?

Probably not: This is likely is due to what we call 'recurrent nevus'. In other words, the biopsy showed a benign mole but did not completely remove it. It is now growing back. If you are worried, I would see a dermatologist to have it completely removed. ...Read more

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If a mole is removed by shave biopsy & comes back years later and is re-biopsied, is it normal the original biopsy shows normal but the 2nd displastic?

Yes: It is common for a mole to change Sometimes just the irritation from the shave can make it come back dysplastic but there are many environment factors like sun exposure which can change it. ...Read more

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Mole removed(w/out biopsy) & w/in 2 weeks it grew back. Not perfect circle & dark center & gets lighter until blends w/ skin around. Should i b concerned?

Mole removed(w/out biopsy) & w/in 2 weeks it grew back. Not perfect circle & dark center & gets lighter until blends w/ skin around. Should i b concerned?

Mole removal: First of all, moles should always be biopsied when removed.
Often moles will regrow if the original mole was deeper below the skin and a shave removal was done. I would have original dermatologist look at the area who removed it to make sure it is just pigment regrowth from an incompletely removed mole. ...Read more

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I recently had a mole removed and it healed up perfect. The biopsy came back pos. For basil cell. What should I do now?

I recently had a mole removed and it healed up perfect.  The biopsy came back pos. For basil cell. What should I do now?

Depends: Most of the time additional treatment is required. These tumors often have "roots" so to speak, and despite healing up, there is often residual skin cancer that will come back in a few months to years. Treatment at that time may not be as simple. ...Read more

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Hello. Biopsy and removal of mole on back this morning. I was fine but now bandaid is bloody. Is it normal to bleed so randomly and late afterwards?

Hello. Biopsy and removal of mole on back this morning. I was fine but now bandaid is bloody. Is it normal to bleed so randomly and late afterwards?

See below: It has been 16 hours since you wrote and bleeding should have stopped by now. It not you need to go the nearest emergency room. In general compression of the bleeding site is a good first measure to control bleeding. Bleeding can sometimes occur a few hours after a procedure. ...Read more

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Had deep shave biopsy done on mole that came back benign. After scan fell off, area has been red for two months. Looks like red circle. Will it go away?

Had deep shave biopsy done on mole that came back benign. After scan fell off, area has been red for two months. Looks like red circle. Will it go away?

Scarring: After about a year the new blood vessel ingrowth will lighten in color a bit. Most likely this will return to regular shin tone. If not, there may be some permanent skin pigment changes. ...Read more

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Mole removed. Over time, it slowly grew back. Removed again and now shows dysplastic? Can original removal cause a false positive a subsequent biopsy?

False positive: Although previous surgery and/or trauma to an area can create difficult-to-interpret pathologic changes, that does not mean that dysplasia is not present. If a mole is dysplastic on pathology, then additional excision is required (assuming the biopsy had a close margin). Return to your dermatologist for a full discussion about this. ...Read more

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I had an itchy frecle type mole on my shoulder removed a while back biopsy came back negative. But im concerned again as on my back I GT hard itchy sk?

I had an itchy frecle type mole on my shoulder removed a while back biopsy came back negative. But im concerned again as on my back I GT hard itchy sk?

Scar tissue: Over a joint or area of thich skin, you can develop thickened itchy s ar tissue. Bio oil or Mederma may decrease the thickness and relieve the itching. If not see doctor for dilute kenalog (triamcinolone). Injection to soften scar. ...Read more

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Shave biopsy on mole done a month ago. Came back benign but it has repigmented. Is this concerning considering short time frame. Should I biopsy again?

probably fine: Most likely part of the mole was above the surface of your skin and the rest was below. If the mole was just shaped of the underneath portion of the mole was not removed andthat is why you can still see the mole. If you are very concerned you can return to the doctor and review the original biopsy with him or her. ...Read more

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My doctor biopsied a mole on my back and said it was attached to something internal. Meaning?

Depends: I think you need to discuss this with your doctor. Did it have a positive deep margin or are you dealing with something completely different? ...Read more

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Shave biopsy for mole done, came back totally benign. Still, have reddish pink circle after scab fell off. When will this fade?

Shave biopsy for mole done, came back totally benign. Still, have reddish pink circle after scab fell off. When will this fade?

Few months - normal: Normal for recent surgical site/scar to look pinkish red. The normal healing process takes a few months. You can help the healing by protecting the fresh scar from sun exposure. Some scar care creams also help. ...Read more

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I'm taking 35mg of Amitriptyline. Do I need to be concerned or discontinue before having a mole removed (and biopsied) from my back?

I'm taking 35mg of Amitriptyline. Do I need to be concerned or discontinue before having a mole removed (and biopsied) from my back?

Not at all: Talk to your doctor. In my experience it is not necessary to stop this medication under the circumstances you have described. Best wishes for a good outcome with your biopsy! ...Read more

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When biopsied mole comes back atypical does this mean that the mole would have for sure turned into melanoma? Have had 2 "slightly atypical" — scared!

Watch carefully: Atypical means the cells are not completely normal. Depending on degree, can be pre-cancerous. See a dermatologist. Ask to have the pathology specimen re-read by a dermatopathologist. Just to be safe. If still atypical, follow the area closely with a dermatologist. ...Read more

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Mole came back as compound nevus with congenital features. It was a scallop biopsy and the mole regrew in places within 2 months. Dr wasn't concerned and said it's normal to see this. Should I worry?

Mole came back as compound nevus with congenital features. It was a scallop biopsy and the mole regrew in places within 2 months. Dr wasn't concerned and said it's normal to see this. Should I worry?

Compuond nevus, : You have a recurrent nevus. If the diagnosis was compound nevus with congenital features you should not worry. As long as there was not any dysplasia. However pathologic interpretation of a reexcised recurrent nevus can be problematic so if you were to get the regrowth excised be certain the pathologist knows that this is a recurrent lesion after a shave biopsy. ...Read more

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I just an atypical Nevis mole removed it was biopsy before and came back no cancer there resend in it to pathology could it still be cancerous?

I just an atypical Nevis mole removed it was biopsy before and came back no cancer there resend in it to pathology could it still be cancerous?

Unlikely: If entire mole is removed, if report has no cancer then there is no cancer and is good news. However in rare cases due to unusual appearance pathologist will also will seek second opinion, for special stains etc then will confirm and give the official report. Speak to your surgeon. ...Read more

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Mole, not flat, size of pencil eraser removed 2 months ago. Biopsy was benign, noticed today a dark spot in middle of scar, could it be growing back?

Mole, not flat, size of pencil eraser removed 2 months ago. Biopsy was benign, noticed today a dark spot in middle of scar, could it be growing back?

Healing Scar: This is just part of the process of healing where you may see some dried up granulation tissue especially when it was cauterized or shaved superficially without the need for sutures. If it was suspected clinically to be cancerous, that mole should have been excised widely and deeply so sutures may have to be applied. ...Read more

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Biopsy shows spitz nevus cells under another type of benign mole. Melenoma can't be ruled out yet. Can melanoma grow under a benign mole?

Yes: In fact, this is fairly common. No one knows where spitz nevus leaves off and a melanoma capable of metastasizing begins. This is one of the hardest calls in pathology, and some say it's impossible. The burning question will be whether to do additional surgery. ...Read more

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I had a small mole biopseyed on my neck. It came back as squamos cell carcinoma. The biopsy apparantly got all the mole. Should I have surgery?

I had a small mole biopseyed on my neck. It came back as squamos cell carcinoma. The biopsy apparantly got all the mole. Should I have surgery?

If tumor remains: Squamous cell carcinoma treatment depends on location, age,size, depth but if small, the excision biopsy could have taken all cancer cells. Verify with docs and pathologist if that is the case, since apparently is the operative word. Margins should be free. If unsure, Moh's and excision wider margins are choices with high cure rates. Local drugs, radiotherapy are options for residual tumor. Goodluck ...Read more

Dr. Coyle Connolly
1,103 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


Dr. Coyle Connolly
479 doctors shared insights

Nevi (Definition)

Nevi ...Read more