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Doctor insights on: What Is Dysplastic Nevus As Compared To Melanoma

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Please tell me if a lentiginous junctional dysplastic nevus is really melanoma in situ. My doctor won't respond.

Please tell me if a lentiginous junctional dysplastic nevus is really melanoma in situ. My doctor won't respond.

There is a subtle di: Melanoma in situ is different than a dysplastic nevus, but it is a continuum. They both need to be treated in the same manner, re-excision with a negative margin.But remember one is a cancer the other one is a precursor of cancer. So it has long term health implications for health insurance etc. ...Read more

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Dr. Mike Bowman
906 doctors shared insights

Skin Cancer (Definition)

Skin is the largest and one of the most complex organs in the body composed of hundreds of different structures. Nearly any of these elements can degenerate into cancer. However the three most common are: basal cell, squamous cell and melanoma which occur in that order and degree of aggressiveness. Although heredity plays a major role, sun exposure and tobacco use & ...Read more


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What is dysplastic nevus as compared to melanoma?

What is dysplastic nevus as compared to melanoma?

You have asked...: ...One of the most controversial questions in dermatology. One faction believes that dysplastic nevi are precursors of melanomas, and should be excised before they become melanomas. Another faction believes dysplastic nevi are benign moles that never become melanomas. There is evidence to support both arguments. ...Read more

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Which disease has more severe consequences dysplastic nevus or melanoma?

Which disease has more severe consequences dysplastic nevus or melanoma?

Melanoma: A dysplastic nevus, unlike a melanoma, is not a true cancer. It is best thought of as a pre-cancer, a possible precursor to melanoma that with time may possibly be able to turn into a true cancer like melanoma. ...Read more

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How often does dysplastic nevus turn into melanoma? 10% 20%, etc... thanks

How often does dysplastic nevus turn into melanoma?  10% 20%, etc...  thanks

25%: We remove them if we suspect they are malignant. There is rarely any benefit from removal of benign "dysplastic" nevi. All recent studies indicate that your omega 3 is a waste of money. Aspirin may reduce the risk of skin cancers, including melanoma. The dose is 81mg (baby aspirin). If your aspirin is coated, throw it away. It must be uncoated to be effective. Get CHEWABLE baby aspirin. Can swallo ...Read more

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What is the likelihood of a dysplastic nevus turning into melanoma? I can't find any relative data online

Depends: It depends on several factors, like the total # of dysplastic nevi, nevi size, patient age, family history, etc. The reported annual transformation rate of any single mole into melanoma is ?1 in 200,000 in people 60. Check out this paper by Tsao H, et al, in Archives of Dermatology in 2003: The Transformation Rate of Moles (Melanocytic Nevi) Into Cutaneous Melanoma. ...Read more

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How often does dysplastic Nevus turn into melanoma? What percent will actually become malignant? Thanks

Depends on grade: Excisional biopsy of dysplastic nevi with moderate-to-severe and/or severe dysplasia can be of benefit because of the association and potential conversion to malignant melanoma. It is suggested that excision of biopsy-diagnosed DN with mild or moderate dysplasia has less of a benefit with minimal evidence of conversion to invasive melanoma. ...Read more

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Dysplastic nevus, or atypical moles, and they are benign lesions that resemble early melanoma, and about 1 in 10 million americans willmelanoma, what to do?

Dysplastic nevus, or atypical moles, and they are benign lesions that resemble early melanoma, and about 1 in 10 million americans willmelanoma, what to do?

Watch carefully: Dysplastic nevi are potentially serious in that they can convert to infiltrating melanoma. In children with spitz nevus, they look malignant but never convert. In patients with neurofibromatosis there is a high incidence of dysplastic nevi and since many are present they are watched for changes in shape, darkening in color or redness around the lesion suggesting that they are converting. ...Read more

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Pathology moderate atypical dysplastic nevus, recommend further excision. Is this cancer/melanoma?

Pathology moderate atypical dysplastic nevus, recommend further excision. Is this cancer/melanoma?

Not yet: It may develop into a malignancy but is not yet. The borders may be incompletely excused, or te pathologist may feel that a wide enough clear margin has not been achieved. ...Read more

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Please tell me if a lentiginous junctional dysplastic nevus is really melanoma in situ. My doctor won't respond.

There is a subtle di: Melanoma in situ is different than a dysplastic nevus, but it is a continuum. They both need to be treated in the same manner, re-excision with a negative margin.But remember one is a cancer the other one is a precursor of cancer. So it has long term health implications for health insurance etc. ...Read more

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I get yearly skin screenings and will continue to do so. My question is about a previous excised mole. It was a moderate-severe atypical dysplastic nevus. I know having atypical moles can be a sign of increased chance of melanoma. I've also read that ma

I get yearly skin screenings and will continue to do so.  My question is about a previous excised mole.  It was a moderate-severe atypical dysplastic nevus. I know having atypical moles can be a sign of increased chance of melanoma. I've also read that ma

Low risk: As long as the atypical nevus was excised with negative margins (normal skin at all edges), then you should be fine. Lower your risk of developing a new problem somewhere else by avoiding excessive sun exposure, or by using frequent applications of sunscreen if you must be out in the sun. ...Read more

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Dr. Coyle Connolly
1,062 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


Dysplastic Nevus (Definition)

A dysplastic nevus is a mole stuck in limbo. It is not a skin cancer but has some abnormal features that make it a concern. I hope this information is helpful. Stephen weber, M.D., f.A.C.S. Lone ...Read more