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Extraskeletal Ewing Sarcoma of the Jejunum: A Case Report
Colby Cantu1, Elizabeth Bressler1, Josephine Dermawan2
1Department of Pathology, Duke University Health System, Durham, NC.
The Permanente Journal
|July 18, 2019
Summary
Extraskeletal Ewing sarcoma, a rare bone cancer, can occur in the jejunum. This case highlights the importance of considering this rare diagnosis in adult intraabdominal tumors.
Area of Science:
- Oncology
- Gastroenterology
- Pathology
Background:
- Ewing sarcoma typically originates in bone but can rarely manifest in extraskeletal sites.
- Intraabdominal tumors in adults encompass a wide differential diagnosis, necessitating comprehensive evaluation.
Observation:
- A 67-year-old woman presented with acute right lower quadrant pain.
- Computed tomography revealed a large midjejunum mass with pneumoperitoneum.
Findings:
- Histological examination suggested extraskeletal Ewing sarcoma of the jejunum.
- Fluorescence in situ hybridization confirmed the diagnosis.
Implications:
- This case underscores the need to include extraskeletal Ewing sarcoma in the differential diagnosis of jejunal and other small intestine tumors.
- Recognizing this rare presentation aids in timely diagnosis and appropriate management of adult intraabdominal masses.
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