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

    Fri, 02/11/2011 - 16:38 — Artur Zembowicz M.D. Ph.D.

    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.

    Session: 
    Didactic session IV
    Conference: 
    Dr. Z's Consultations
    Research Project: 
    Flourescence in situ hybridization (FISH) in diagnosis of melanocytic proliferations