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Yeungnam Univ J Med > Volume 27(2); 2010 > Article
Yeungnam University Journal of Medicine 2010;27(2):105-112.
DOI:    Published online December 31, 2010.
Ultrasonographic and Magnetic Resonance Imaging Findings of Testicular Lymphoma.
Jae Ho Cho
Department of Radiology, College of Medicine, Yeungnam University, Daegu, Korea.
PURPOSE: To evaluate the specific radiologic findings of testicular lymphoma which will be able to differentiated from other testicular tumors. MATERIAL AND METHODS: Pathologically confirmed eight cases were included in this study. All eight cases were performed ultrasonography and four cases were performed magnetic resonance image. On ultrasonography, the size, location, shape, margin, internal echogenicity, homogeneity and vascularity were evaluated. On magnetic resonance image, the shape, margin, homogeneity, signal intensity on T1- and T2-weighted images, degree and homogeneity of the contrast enhancement and contrast enhancement change on dynamic enhancement study. RESULTS: The margin of the mass was smooth on 6 of 8 patients. Internal echogenicity of the mass lesion was hypoechoic than normal testicular parenchyme on 7 of 8 patients. Four cases were homogeneous, 3 cases were relatively homogeneous and 1 case was heterogeneous. All 8 cases showed increased vascularity. The mass lesion was iso-signal intensity on T1-weighted image and low-signal intensity on T2-weighted image. All four cases were enhanced homogeneously and mildly than enhancing normal testicular parenchyme. On dynamic enhancement study, the mass lesion is progressively enhanced with time. CONCLUSION: The possibility of testicular lymphoma should be considered when testicular mass was homogeneously hypoechoic and low signal intensity on T2-weighted image in old age patients.
Key Words: Testis, Lymphoma, Ultrasonography, Magnetic resonance image


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