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KMID : 1103720130690020099
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Journal of the Korean Society of Radiology
2013 Volume.69 No. 2 p.99 ~ p.103
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Extraskeletal Primary Ewing’s Sarcoma in the Nasal Cavity: A Case Report
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Jeong Bo-Young
Park Seok-Won
Kim Eo-Jin
Choi Jong-Sun
Lee Eun-Ja
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Abstract
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Ewing’s sarcoma is a highly malignant tumor found mainly in children and young adults, most commonly arising from skeletal structures, especially in long bones. Primary Ewing’s sarcoma of the head and neck is very rare, accounting for only 2-3% of all Ewing’s sarcomas, and even rarer in the nasal cavity and/or paranasal sinuses (1, 2). Ewing’s sarcoma of the long bone is known to be a well-enhancing soft tissue density mass without calcification on the CT examination. On the MRI examination, it is known to be hypointense to isointense on T1 weighted imaging (WI) and various signals intense on T2WI with heterogeneously marked enhancement by gadolinium. Invasions of subcutaneous tissue and ill-defined bony destructive changes are common (1, 3-5). We provide an overview of Ewing’s sarcoma and present a case of the Ewing’s sarcoma in the nasal cavity.
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KEYWORD
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Ewing’s Sarcoma, Nasal Cavity, CT, MRI
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