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a Urethral tumour mimics: primary urethral amyloidosis. Sagittal T2-weighted image shows narrowing of the penile urethra by multiple hypointense amyloid deposits (arrows). Reprinted with permission from Kawashima et al. [30]. b Urethral tumour mimics: primary urethral amyloidosis. Correlative ultrasound demonstrates intramural calcifications. Reprinted with permission from Kawashima et al. [30]
