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KMID : 1103720110640020117
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Journal of the Korean Society of Radiology
2011 Volume.64 No. 2 p.117 ~ p.121
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The CT and MR Imaging Findings of Adulthood Sinonasal Alveolar Rhabdomyosarcoma with Disseminated Metastases on 18F-FDG PET/CT: Report of Two Cases
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Bahn Young-Eun
Lee Sang-Kwon
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Abstract
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We report herein two cases of adulthood sinonasal alveolar rhabdomyosarcoma that showed intense hypermetabolism and disseminated metastasis on 18F-FDG PET/CT. The contrast-enhanced CT (CECT) and gadolinium-enhanced T1-weighted images (Gd-T1WI) showed multiple rings of intense enhancement (the “botryoid sign”) of the mass. Adulthood rhabdomyosarcoma should be considered when a sinonasal mass shows the “botryoid sign” on CECT or Gd-T1WI, and intense hypermetabolism with disseminated metastases on 18F-FDG PET/CT.
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KEYWORD
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Rhabdomyosarcoma, Alveolar, Fluorodeoxyglucose F18, X-Ray Computed Tomography, Magnetic Resonance Imaging
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