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KMID : 1103720210820051334
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Journal of the Korean Society of Radiology
2021 Volume.82 No. 5 p.1334 ~ p.1340
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CT and MRI Features of Localized Peritumoral Amyloidosis in a Patient with Head and Neck Mucosa-Associated Lymphoid Tissue Lymphoma: A Case Report
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Kim Han-Joon
Hong Hyun-Sook
Kim Ji-Yoon
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Abstract
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Amyloidosis has been reported to be associated with non-Hodgkin lymphoma. Amyloidosis and lymphoma can be related in two ways: lymphoma-associated systemic amyloidosis and peritumoral amyloidosis with lymphoma. We report a rare case of peritumoral amyloidosis in a patient with head and neck mucosa-associated lymphoid tissue lymphoma. On CT, the oropharyngeal mass showed an irregularly shaped soft-tissue density with multifocal amorphous calcifications and heterogeneous enhancement. On MRI, the mass showed heterogeneous low signal intensity on both T1- and T2-weighted images. On contrast-enhanced MR images, the mass showed good enhancement with several inner non-enhancing foci. Concurrent pathologies, such as peritumoral amyloidosis, should be considered when calcifications are noted in patients with pre-treatment lymphoma.
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KEYWORD
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Amyloidosis, Lymphoma, B-Cell, Marginal Zone, Computed Tomography, X-Ray, Magnetic Resonance Imaging
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