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Washington University Experience | NEOPLASMS - CRANIAL AND PARASPINAL NERVEs | Malignant Peripheral Nerve Sheath Tumor (MPNST) | 1F2 MPNST (Case 1) A2 TRI 4X
1F1,2 Collagen was prominent in most fascicles with focal hemorrhage ( probably surgical). A histochemical trichrome stain highlights the presence of fine, loosely packed collagen fibers within the majority of the tumor parenchyma, and the relative paucity of these fibers within hypercellular areas. (Trichrome)
