Dermpedia Scottsdale 2011 Course Case: Juvenile Conjunctival Nevus with False-Positive FISH

    Conjuctiva left eye biopsy for a pigmented lesion of a 9-year-old boy.
    A 4 probe MelanoSITE (Neogenomics) FISH showed abnormal result with increased signals for both RREB 1 (red) and CCDN1 (green). Re-review of FISH suggested tetraploidy.

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