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Primary ovarian peripheral primitive neuroectodermal tumor presented with breast metastasis; Case report.
Rare Tumors
January 2025
Internal Medicine Department, An Najah National University Hospital, Nablus, Palestine.
Ewing sarcoma family tumors (ESFT) pose diagnostic challenges, which largely depend on the primary site of involvement and tumor stage. Despite advancements in treatment, metastatic ESFTs remain associated with poor outcomes. This case describes a 21-year-old woman who, in July 2022, presented with a left breast mass identified through ultrasound and CT scan, along with abdominal distention.
View Article and Find Full Text PDFChallenges in Diagnosing Primary Intracranial Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor: A Case Report.
Curr Med Imaging
January 2025
Department of Radiology, Affiliated Hospital of Southwest Medical University, Sichuan, China.
Background: Primary intracranial Ewing Sarcoma/peripheral Primitive Neuroectodermal Tumor (EWS/pPNET) is exceedingly rare and easy to misdiagnose.
Case Presentation: We present a case involving a 23-year-old male who presented with headaches and vomiting. The preoperative brain imaging revealed an irregular mass in the left parietal lobe, initially misdiagnosed as meningioma.
Primary and Metastatic Pancreatic Ewing Sarcomas: A Case Report and Review of the Literature.
Diagnostics (Basel)
November 2024
Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece.
Ewing sarcomas are rare tumors arising mainly in the bones and the surrounding soft tissues. Primary extraosseous Ewing sarcomas have also been described in several other organs and locations other than bones, including the pancreas. These tumors have well-defined histological, immunohistochemical, and molecular characteristics.
View Article and Find Full Text PDFDesmoplastic Small Round Cell Tumors of the Gastrointestinal Tract.
Cancers (Basel)
December 2024
The Arkadi M. Rywlin M.D. Department of Pathology and Laboratory Medicine, Mount Sinai Medical Center, Miami Beach, FL 33140, USA.
Article Synopsis
- Desmoplastic small round cell tumors (DSRCTs) are rare and aggressive soft tissue sarcomas primarily found in the gastrointestinal tract, believed to stem from mesenchymal stem cells.
- Diagnosing DSRCTs is challenging due to their similarity to other tumors, requiring the use of immunohistochemical staining and molecular analysis for accurate identification.
- Their prognosis varies based on tumor location and stage, often necessitating a multidisciplinary treatment approach that may include surgery, chemotherapy, and radiation therapy.
A Rare Case of Extraosseous Ewing's Sarcoma/Primitive Neuroectodermal Tumor in Female.
Cureus
October 2024
General Surgery, Sri Ramaswamy Memorial (SRM) Institute of Science and Technology, Chengalpattu, IND.
Extraosseous Ewing's sarcoma (EES) is a rare form of Ewing's sarcoma that arises outside the bones in soft-tissue structures. It is thought to result from a genetic abnormality involving the fusion of the EWSR1 gene with various partner genes, most commonly the FLI-1 gene. Common symptoms include pain, swelling, and sometimes a palpable mass at the site of the tumor.
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