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A member asked:
With "recurrent nevus phenomenon" could a previously benign mole now appear dysplastic if pathologist not aware of previous biopsy or laser ablation?
A doctor has provided 1 answer
Yes. Hx is important: When a benign nevus grows back after biopsy, and is re-biopsied or excised, it may now show features that closely mimic a dysplastic nevus or even melanoma under the microscope. This melanoma-like pattern is called "recurrent nevus phenomenon." A pathologist might accidentally misdiagnose a benign, recurrent nevus as a DN or melanoma, if they don't know (or suspect) it was previously treated.
Answered 2/8/2015
3.2k views
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I have dysplastic nevi syndrome, i had 2 very similar moles shave biopsied. How is it that one came back as a sun spot , one needed reexcision was mod?
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