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A Nodular Lesion of the Foot Detected by 18F-FDG PET/CT in Mycosis Fungoides

A Plantar Wart

Fujita, Yasuyuki, MD, PhD*; Natsuga, Ken, MD, PhD*; Manabe, Osamu, MD, PhD; Hirata, Kenji, MD, PhD; Shimizu, Hiroshi, MD, PhD*

doi: 10.1097/RLU.0000000000002430
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A 34-year-old Japanese woman presented with widespread scaly erythema that had enlarged over 2 years. A skin biopsy revealed the diagnosis of mycosis fungoides (patch stage, T1b N0 M0 B0), a most frequent cutaneous T-cell lymphoma. 18F-FDG PET/CT scan unexpectedly showed intense uptake on the left sole, which suggested a tumorous mycosis fungoides lesion (SUVmax = 6.2). Careful examination revealed the mass to be a typical plantar wart of 2 cm in diameter that the patient had not recognized. With repeated cryotherapy, the wart disappeared in 6 months, and follow-up 18F-FDG PET/CT showed no abnormal uptake on the left sole.

From the Departments of *Dermatology and

Nuclear Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.

Received for publication September 11, 2018; revision accepted November 5, 2018.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Yasuyuki Fujita, MD, PhD, Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, North 15 West 7, Sapporo 060-8638, Japan. E-mail: yfujita@med.hokudai.ac.jp.

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