Other malignancies, including rhabdomyosarcoma, myoepithelioma in soft tissue, epithelioid angiosarcoma, and epithelioid malignant peripheral nerve sheath tumor (MPNST), can be distinguished from MRT by their specific markers and INI1 expression. The gene discussed is SMARCB1; the disease is Epithelioid Malignant Peripheral Nerve Sheath Tumor.