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KMID : 1214920220280020107
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Soonchunhyang Medical Science
2022 Volume.28 No. 2 p.107 ~ p.109
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A Case of Fluorine-18-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography Findings of Mycosis Fungoides with Large Cell Transformation Involving Cutaneous Lesions, and Metastasis to Lymph Node and Viscera
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Choi Joon-Ho
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Abstract
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Large cell transformation (LCT) of mycosis fungoides (MF) is a histopathological transformation of neoplastic small lymphocytes with a clonally identical large cell phenotype, which is found in 20%?50% of cases of advanced MF. Some few cases and studies have been reported about the role of fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) in diagnosing MF-LCT. This is a case of a 55-year-old man who had a left neck mass for 4?5 months. He underwent excisional biopsies on the skin and soft tissue. The histopathologic report showed MF-LCT. The 18F-FDG PET/CT findings revealed hypermetabolic lesions in the skin, cervical lymph node, and visceral organ. We introduce a rare case of MF-LCT involving both cutaneous and extracutaneous lesions.
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KEYWORD
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Mycosis fungoides, Cutaneous T-cell lymphoma, Fluorodeoxyglucose F18, Positron emission tomography computed tomography, Metastasis, Case report
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