Cytology of soft tissue tumors: Pleomorphic sarcoma

Head and Neck Tumors: Management of Primary Undifferentiated Pleomorphic Sarcoma

Introduction: Sarcomas account for 1% of all tumors originated in the head and neck regions in adults. They constitute a heterogeneous group of tumors of mesenchymal origin with multiple histological variants. The undifferentiated pleomorphic sarcoma (UPS) subtype is the most frequent variant with an incidence range of 2.7-38%.   Materials and Methods: This retrospective...

Treatment of Primary Pleomorphic Soft Tissue Sarcoma of the Extremities

Background: Pleomorphic Sarcoma is the most common histologic subtype of high grade soft tissue sarcoma involving the extremities. Methods: This retrospective study analyzed 135 patients presenting with primary Pleomorphic Sarcomas which were treated at a single referral institute between 1980 and 2006. Data was collected from an institutional database and univariate and multivariate analysis w...

Soft tissue tumors: Clear cell sarcoma

Soft Tissue Tumors: Low grade fibromyxoid sarcoma

Clinics and pathology Disease Low grade fibromyxoid sarcoma (LGFMS) Embryonic origin Cellular origin unknown, but presumably of mesodermal derivation. Tumor cells show fibroblastic differentiation. Etiology Unknown. No known risk factors. Epidemiology Low grade fibromyxoid sarcoma is supposed to be rare, but as it is difficult to diagnose the true incidence is unknown. Patients of any age may b...

Pleomorphic cell tumors of soft tissue - with pictures