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Washington University Experience | NEOPLASMS (NEURONAL) | DNET | 23A5 DNET (Case 23) H&E 1

There are intratumoral neurons that do not appear dysmorphic, but appear to be floating within pools of basophilic mucin ("floating neurons"). ---- Ancillary studies (not shown): The labeling index is low. FISH analysis showed normal dosages (2 copies) of both chromosomes 1 and 19. No deletions were found.

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