Soft tissue tumor case studies

CONTEXT: Solitary fibrous tumors (SFTs) of the central nervous system are rare neoplasms that usually present as dura-based masses and clinically resemble meningiomas. Histologically, they can be similar to fibrous meningioma or hemangiopericytoma (HPC). In particular, densely cellular regions seen in some SFTs can be…

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• GAMZE UĞURLUER SÜMER
• HİDAYET FAZİLET DİNÇBAŞ

INTRODUCTION: Intracranial hemangiopericytoma (HPC) is a malignant meningothelial tumor. Because of its rarity, few guidelines exist for optimal management. METHODS: University of California at San Francisco patients managed for intracranial HPC were compiled into a single database based on a retrospective review of p…

AIMS: Differentiating sarcomatoid mesothelioma from other pleural-based spindle cell tumours by light microscopy can be challenging, especially in a biopsy. The role of immunohistochemistry in this differential diagnosis is not as well defined as it is for distinguishing epithelioid mesothelioma from adenocarcinoma. I…

• NAZMİ VOLKAN ADSAY

Infantile fibrosarcomas (IFS) represent a distinct group of soft tissue tumors occurring in patients under 2 years of age and most commonly involving the extremities. Most IFS show recurrent ETV6-NTRK3 gene fusions, sensitivity to chemotherapy, and an overall favorable clinical outcome. However, outside these well-def…

• DİCLEHAN ORHAN

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• BÜLENT BOZKURT

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• AHMET UĞUR DEMİR

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• NERMİN TUNÇBİLEK

We studied 25 patients under 15 years of age with desmoid fibromatosis (DF). There were 15 boys and 10 girls; 13 were under seven years of age and 12 were above. Histologically, DF was identical to DF in adult patients, except for a higher mitotic rate in children's tumors. The tumors were located on the head and neck…

• AYTEN KAYI CANGIR

Desmoplastic small cell tumor (DSCT) is a high-grade malignant neoplasm that shows polyphenotypic differentiation. Its almost exclusive involvement of serosal surfaces (particularly peritoneum) has led to the consideration of a putative "mesothelioblast" as the cell of origin. Although an extraserosal case involving t…

• NAZMİ VOLKAN ADSAY

Five patients with recurrent juvenile nasopharyngeal angiofibromas were treated with antineoplastic chemotherapy. All patients had tumor remission without recurrence; there were no sequelae after this therapy.

• AYTEN KAYI CANGIR