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Doctor insights on: Lentiginous Nevus

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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. Coyle Connolly
1,061 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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My pathology report states junctional and lentiginous melanocytic nevus, extending to the peripheral edge. Is this melanoma?.

My pathology report states junctional and lentiginous melanocytic nevus, extending to the peripheral edge.  Is this melanoma?.

Mole, not cancer: Here is a translation of your path report: Junctional- location as it relates to depth in the skin, the junction between epidermis and dermis. lentiginous- means flat dark spot, melanocytic- made up of pigment cells (melanocytes), nevus - a lesion that contains nevus cells a type of melanocyte, aka "mole". This is a benign spot that appears to have been completely removed. Not a malignancy. ...Read more

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I had a shave removal that came back as "Lentiginous Junctional (Dysplastic) Nevus with mild atypia, to <0.2 mm OF. Is this of concern?

I had a shave removal that came back as "Lentiginous Junctional (Dysplastic) Nevus with mild atypia, to <0.2 mm OF. Is this of concern?

No: If it is not a melanoma, it is of less concern. Being dysplastic, is a pathologic concerning point, but with it's small size, I would closely watch it. "Mild atypia" is the key to the answer. That is why shave removal's never really remove these, just the top layer. If any increase in size, remove immediately. ...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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What is a nevus?

What is a nevus?

Beauty mark: A collection of pigment cells that can be flat or raised anywhere on the body and change occasionally into atypical moles which are removed. ...Read more

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What exactly is nevus?

Brown skin blemish: A nevus arises from a collection of pigment producing cells and are common throughout the body surface increasing in many in adulthood. They vary in size and thickness, are usually benign, but are watched for changes as an indicator of the malignant tumor melanoma. ...Read more

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What is atypical Nevus?

Dysplastic nevus: Researchers have shown that dysplastic nevus or atypical moles are more likely than ordinary moles to develop into a type of skin cancer called melanoma. Make sure your nevus is managed by a dermatologist. https://en.wikipedia.org/wiki/Dysplastic_nevus ...Read more

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What is a nevus flammeus?

Birth mark: Red area usually on the back of the neck present from birth which does not require any treatment. ...Read more

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Can a nevus be colorless?

Yes: Some moles can be flesh colored (or light tan) and dome shaped called intradermal nevus. ...Read more

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