Malignant gastrointestinal neuroectodermal tumor (GNET) is an infrequent soft-tissue sarcoma, formerly referred to as clear-cell sarcoma-like (CCSLGT) and frequently reported in the literature sarcoma of tract (CCS-GI); it characterized by absence melanocytic differentiation presence nontumoral osteoclast-like giant cells (OLGCs). The current study reports a case 79 year old woman admitted emer...

Introduction: Malignant mesenchymal tumors of the larynx are rare. One type of malignant mesenchymal tumor is synovial sarcoma with unknown histogenesis, which occurs predominantly in the lower extremities of young adults. The head and neck region is a relatively rare location. There are few cases of malignant mesenchymal tumors with laryngeal localization in literature.  Case Report: In this r...

Background: Bone sarcomas are the most common malignancies of bone tissues in children, and are classified intotwo groups as osteosarcoma and Ewing’s Sarcoma. Treatment and prognosis depend on the subtype and grade ofthe tumor. The goal of this study was to evaluate the features bone sarcoma in patients referred to MAHAK childrenhospital since 2007 to 2009.Materials and Methods: This was a retr...

Abstract Metastases from extra-CNS sites typically enhance on MR after the administration of gadolinium-based contrast agents due to disruption blood-brain barrier. Fibromyxoid sarcoma involving brain is extremely rare, with only a few reported cases manifesting as well-circumscribed enhancing masses. Here, we report an rare non-enhancing metastasis secondary already sarcoma. A 44-year-old woma...

Although rare, synovial sarcoma is the most common malignant non-rhabdomyosarcomatous soft tissue sarcoma in children and adolescents. Synovial sarcoma typically involves the soft tissues of the extremities, especially near large joints, but it can occur anywhere in the body in locations far from joint spaces. Although this tumor typically affects adults in their fourth decade of life, nearly h...

endometrial stromal sarcoma represents a very rare pathological entity occurring as a malignant disease in women genital sphere, frequently in the age group of 40-50 years. low grade endometrial stromal sarcoma (lgess) is a rare uterine sarcoma constituting 0.2% of all the uterine malignancies with a good prognosis despite a tendency to recur. we report a case of 42 years old woman presented wi...

introduction low-grade endometrial stromal sarcoma (lg-ess) is a malignant intrauterine tumor that rarely presents with distant metastasis. simultaneous lung and cardiac metastases from lg-ess is also an extremely rare event. case presentation a 42-year-old woman presented with dyspnea and exercise intolerance. she had a history of hysterectomy and left salpingoophorectomy. she underwent second...

background: rhabdomyosarcoma is a rare malignant soft tissue sarcoma and the most common sarcoma of childhood. the purpose of this study was to investigate the distribution of age and sex of patients, pathological subtypes and to determine the role of staging and classification of rms on treatment outcome. materials and methods: this retrospective study included patients who diagnosed with rms ...

primary bone tumors are the sixth most common neoplasm occurring in children and constitute approximately 6% of all childhood malignancies with a peak incidence in 15- to 19-year- old individuals. these lesions are the third most common tumors in adolescents and young adults (exceeded only by leukemia and lymphoma) common complaints are intermittent to constant mild to severe pain, constitution...

we present a case of epitheloid sarcoma that was referred with a 2×3cm ulcerated lesion on the right ankle and edema of the lower leg. foot drop of the right side was present that had caused walking difficulty. after a few months, he developed several sporthricoidal nodular lesions on the medial aspect of right thigh, inguinal lymphadenopathy, weight loss, anorexia and respiratory symptoms. che...