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Washington University Experience | NEOPLASMS - CRANIAL AND PARASPINAL NERVEs | Schwannoma | 23E Schwannoma, melanotic (Case 23) MIB 1
Nuclear reactivity for proliferation marker Ki67 (MIB-1antibody) is very focally present in up to 2% of tumor cells, but is otherwise present overall in far less than one percent of tumor cells.
