radiation induced sarcoma is a rare but recognized complication of radiotherapy and is associated with poor prognosis, frequently occurs 5 years after completion of treatment. we report radiation-induced sarcoma in a 42 years old male, involving the left parietooccipital scalp region following treatment of brain tumor with craniotomy and post-operative radiation with 60co machine. diagnosis of ...

primary breast sarcoma is a rare disease of the breast that comprises a heterogeneous group of malignant mesenchymal neoplasms, including angiosarcoma, liposarcoma, leiomyosarcoma, fibrosarcoma, sarcomas with bone and cartilage, and malignant fibrous histiocytoma. yet the exact incidence of primary breast sarcoma has not been reported, but it approximately accounts for less than 1% of all breas...

Multiple primary tumors in a single patient are relatively rare when four or more distinct lesions are considered. Herein, we report a case of woman with four different primary tumors: meningioma, renal angiomyolipoma, spinal ependymoma and high-grade soft tissue sarcoma. There was no family history and hereditary syndrome. The genetic analysis was completely normal. To best of our knowledge, t...

Background: Primary malignant bone tumors are heterogeneous groups of neoplasms, which affect mainly children and adolescents. The most common types are Osteosarcoma, Ewing sarcoma and chondrosarcoma. Elevation of sCD30 and sCD40L has been observed in lymphoma, leukemia and autoimmune disorders. Objective: To evaluate serum concentrations of sCD30 and sCD40L in patients with primary malignant b...

introduction: ewing’s sarcoma is the second most common primary malignant tumor of bone found in children after osteosarcoma. it accounts for 4–9% of primary malignant bone tumors and it affects bones of the skull or face in only 1–4% of cases. hence it rarely affects the head and neck. subject and method: in this case report, we describe a case of primary ewing's sarcoma occurring in the tempo...

background: primary malignant bone tumors are heterogeneous groups of neoplasms, which affect mainly children and adolescents. the most common types are osteosarcoma, ewing sarcoma and chondrosarcoma. elevation of scd30 and scd40l has been observed in lymphoma, leukemia and autoimmune disorders. objective: to evaluate serum concentrations of scd30 and scd40l in patients with primary malignant b...