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KMID : 0858520160200040259
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Journal of the Korean Society of Magnetic Resonance in Medicine
2016 Volume.20 No. 4 p.259 ~ p.263
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Primary Diffuse Large B-Cell Lymphoma of the Seminal Vesicle: a Case Report
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Kwag Kyung-Su
Jang Suk-Ki
Yeon Jae-Woo
Kwon Kye-Won
Son Jeong-Hwan
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Abstract
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Primary diffuse large B-cell lymphoma of the seminal vesicle is an extremely rare disorder, with only two cases reported in the English literature. Here, we present imaging findings of a case of primary diffuse large B-cell lymphoma of the seminal vesicle. On transrectal ultrasonography, the mass presented as a 3.0-cm-sized heterogeneous, hypoechoic lesion in the right seminal vesicle. Computed tomography (CT) revealed a mass with rim-like enhancement in the right seminal vesicle. On magnetic resonance imaging (MRI), the tumor showed iso-signal intensity on T1-weighted images and heterogeneously intermediate-high signal intensity on T2-weighted images. The tumor showed rim-like and progressive enhancement with non-enhancing portion on dynamic scanning. Diffusion restriction was observed in the mass. On fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET/CT) imaging, a high standardized uptake value (maxSUV, 23.5) by the tumor was noted exclusively in the right seminal vesicle.
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KEYWORD
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Lymphoma, Seminal vesicles, Ultrasound, Multidetector computed tomography, Magnetic resonance imaging, Positron-emission tomography
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