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Gastric Ewing Sarcoma identified on a Meckel's scan.

Lavi Nissim¹, Gerald Mandell¹

¹Department of Radiology, Phoenix Children's Hospital, 1919 E Thomas Rd. Phoenix, AZ 85016 USA.

Radiology Case Reports

|June 25, 2020

Summary

Ewing Sarcoma, a rare pediatric cancer, can occur in the stomach. This case highlights its unusual presentation as a stomach defect detected via scintigraphy.

Keywords:

Ewing Sarcoma Meckel's scan PNET Primitive Neuroectodermal tumor

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Area of Science:

Oncology
Pediatric Oncology
Skeletal and Soft Tissue Tumors

Background:

Ewing Sarcoma is a rare bone and soft tissue cancer, primarily affecting children and adolescents.
It is the second most common pediatric malignancy and primary bone tumor.
A characteristic translocation, t(11;22), is present in most Ewing Sarcoma cases.

Observation:

Extraskeletal Ewing Sarcoma of the stomach is exceptionally rare.
This case involved a patient presenting with gastrointestinal bleeding.
A filling defect in the stomach was initially detected using technetium-99m pertechnetate scintigraphy.

Findings:

The study reports a rare case of primary Ewing Sarcoma originating in the stomach.
The tumor was initially identified as a gastric filling defect during diagnostic imaging.
This highlights the potential for Ewing Sarcoma to manifest in extraskeletal sites.

Implications:

This case expands the known spectrum of Ewing Sarcoma presentation.
It underscores the importance of considering rare diagnoses in challenging clinical scenarios.
Accurate and timely diagnosis is crucial for appropriate patient management and treatment of Ewing Sarcoma.