label: Malignant Peripheral Nerve Sheath Tumor with Perineurial Differentiation
label_lc: malignant peripheral nerve sheath tumor with perineurial differentiation
description: "A very rare malignant tumor with morphologic features similar to those of benign perineurioma of soft tissue along with hypercellularity, nuclear atypia, hyperchromasia, and a high mitotic rate."