A Biphasic Pleural Tumor with Features of an Epithelioid and Small Cell Mesothelioma: Morphologic and Molecular Findings
Malignant mesotheliomas are generally classified into epithelioid, sarcomatoid, desmoplastic, and biphasic types with rare reports of a small cell form.These small cell variants display some morphologic overlap with desmoplastic small round 15-eg1053cl cell tumors (DSRCTs) which generally occur within the abdominal cavity of young males and are def