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...

BACKGROUND Ewing sarcoma family of tumors is the second most common primary bone tumor of childhood. Extraosseous Ewing sarcoma family of tumors is rare. We present a pediatric case of primary endobronchial Ewing sarcoma family of tumors. CASE REPORT A 12-year-old boy presented with dyspnea and chest radiography showed right pulmonary atelectasis. Chest computed tomography demonstrated tumor ...

Prostate cancer is the most common malignant tumor in men. The vast majority of prostate tumors are represented by prostatic adenocarcinomas (up to 95%). Sarcoma a very rare adults with formidable prognosis. Early diagnosis and radical surgery offer patients best chance cure. We report case 44-year-old patient stage VI unresectable high-grade undifferentiated sarcoma, initially presenting urina...

Background Ewing’s sarcoma family is a group of small round cells tumors. The aim of this study is to evaluate clinicopathologic characteristics and outcome of Ewing’s sarcoma in children and adolescents in Yazd, Iran. Materials and Methods All patients under 19 years with documented pathology of Ewing’s sarcoma family tumor who referred to Shahid Ramazanzadeh Radiotherapy center between 2...

Between I 9H I and 1993,30 cases of primary cardiac tumors were diagnosed at the Imam Khomeini Hospital. 20 patients were female and 10 were male, with an average age of 32 years (ranging from 17 days to 65 years of age). The mean duration of symptoms before diagnosis was 6 months, with dyspnea and palpitation being the most common symptoms (60%) and cardiac' murmurs the most usual signs (...

The BK virus a member of the Polyomaviruses family was first isolated from the urine of the kidney recipient. Infection with this virus and infection usually occurs in childhood (5-9 years) but most of the time (90%) of sera are positive and without symptoms. Polyomaviruses including the BK virus have also been suggested to be a contributing factor to some cancers in humans such as brain tumors...

Background:   Although the majority of soft tissue masses are benign, it is important to consider malignancy in differential diagnoses. Because most soft tissue sarcomas present as a painless mass, clinicians must watch for signs suggestive of malignancy, including large size, rapid growth, and site deep into the deep fascia.The purpose of this study was to determine the relative prevalence acc...

mammary sarcomas are a heterogeneous group of malignant neoplasms that arise from the mammary stroma. primary sarcomas of the breast are extremely rare and comprise less than 0.1% of all malignant tumors of the breast. we present the case of a 56-year-old female diagnosed as stromal sarcoma, not otherwise specified - a very rare entity.