Ewing's Sarcoma of the Lesser Sac Masquerading as a Pancreatic Tumor
The Korean Journal of Internal Medicine
; : 91-94, 2012.
Article
in En
| WPRIM
| ID: wpr-181912
Responsible library:
WPRO
ABSTRACT
Extraosseous Ewing's sarcoma/primitive neuroectodermal tumor (ES/PNET) is an uncommon, aggressive, and malignant tumor with a poor patient outcome. Its occurrence in the lesser sac is a rare event and to the best of our knowledge, has not been previously described. The present case was clinically and radiologically misdiagnosed as a pancreatic tumor/gastrointestinal stromal tumor. Histopathology revealed a tumor with "small round cells" that were positive for CD99, confirming the diagnosis of ES/PNET. This report highlights the importance of considering Ewing's sarcoma in the differential diagnosis of intraabdominal, extraintestinal masses.
Key words
Full text:
1
Index:
WPRIM
Main subject:
Pancreatic Neoplasms
/
Peritoneal Neoplasms
/
Sarcoma, Ewing
/
Biopsy
/
Immunohistochemistry
/
Biomarkers, Tumor
/
Tomography, X-Ray Computed
/
Antigens, CD
/
Cell Adhesion Molecules
/
Predictive Value of Tests
Type of study:
Diagnostic_studies
/
Prognostic_studies
Limits:
Female
/
Humans
Language:
En
Journal:
The Korean Journal of Internal Medicine
Year:
2012
Type:
Article