Undifferentiated Pleomorphic Sarcoma (Malignant Fibrous Histiocytoma)
Undifferentiated Pleomorphic Sarcoma (Malignant Fibrous Histiocytoma) Key Points Undifferentiated pleomorphic sarcoma (UPS) describes a soft tissue tumor of primitive mesenchymal origin that involves deep skeletal muscle, fascia, and adipose tissue…
Trichilemmal Carcinoma
Trichilemmal Carcinoma Key Points Trichilemmal carcinoma (TC) derives from the outer hair root sheath The pathogenesis of TC is not completely understood, but risk factors include UV and ionizing radiation,…