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KMID : 1103720210820010212
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Journal of the Korean Society of Radiology
2021 Volume.82 No. 1 p.212 ~ p.218
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Extraskeletal Ewing Sarcoma of the Chest Wall Manifesting as a Palpable Breast Mass: Ultrasonography, CT, and MRI Findings
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Kim Min-Gook
Lee Seung-Eun
Choi Joon-Hyuk
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Abstract
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Ewing sarcomas constitute a group of small, round, blue cell tumors of the bone and soft tissue. Extraskeletal Ewing sarcoma (EES) is a rare malignant neoplasm that arises from soft tissues, and it usually affects children and young adults. EES of the thoracopulmonary region commonly presents with a palpable mass or pain. Although rarely reported, EES affecting the anterior chest wall may present as a breast mass. We report a case of EES arising from the chest wall and manifesting as a palpable breast mass in a 22-year-old woman. The large mass was initially misdiagnosed as a breast origin mass on ultrasonography, but subsequent CT and MRI showed that the mass originated from the chest wall. Radiologists should be aware of the imaging findings of EES, and they should understand that chest wall lesions may be clinically confused as breast lesions.
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KEYWORD
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Chest Wall, Computed Tomography, X-Ray, Ewing Sarcoma, Magnetic Resonance Imaging, Ultrasonography
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