MUC4-positive Fibroblastoma: A Distinctive Hyalinized Spindle Cell Neoplasm With Aberrant Nuclear Beta-catenin Expression and Frequent Biallelic Inactivation of APC
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Among soft tissue tumors, MUC4 is expressed in low-grade fibromyxoid sarcoma and sclerosing epithelioid fibrosarcoma, and is regarded as a specific and sensitive marker for these malignant entities. These tumors are driven by oncogenic fusions involving FUS or... ...
