The tryptase positive compact round cell infiltrate of the bone marrow (TROCI‐BM): a novel histopathological finding requiring the application of lineage specific markers

摘要

AimsCompact tryptase‐positive round cell infiltrates of the bone marrow (TROCI‐BM) are very rare histopathological findings and may pose challenging problems with regard to the cell type involved (either mast cells or basophilic granulocytes) and the exact diagnosis.