title: The value of dynamic MR imaging for hypointensity lesions of the peripheral zone of the prostate.
abstract: The aim was to evaluate the role of dynamic magnetic resonance (MR) imaging for prostatic carcinoma. Forty-two men with clinical suspicion of a prostatic carcinoma underwent MR imaging. Dynamic MR was performed, followed by postcontrast T1-weighted imaging with fat suppression. Histologic diagnosis was 21 prostatic carcinomas (in 19 patients), 21 benign tissues, and 2 chronic prostatitis. The diagnostic accuracy was 75% for T2-weighted images, and 79% for dynamic images. The accuracy of the combination of dynamic MR images with postcontrast T1-weighted images was 82%. It was concluded that dynamic MR imaging was useful in differentiation of low intensity lesions in the peripheral zone.
authors.affiliation: Department of Radiology, Kumamoto Rousai Hospital, Yatsushiro city, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Namimoto
authors.forename: S
authors.initials: S
authors.lastname: Morishita
authors.forename: R
authors.initials: R
authors.lastname: Saitoh
authors.forename: J
authors.initials: J
authors.lastname: Kudoh
authors.forename: Y
authors.initials: Y
authors.lastname: Yamashita
authors.forename: M
authors.initials: M
authors.lastname: Takahashi
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001707:Biopsy, Needle; D002277:Carcinoma / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D002908:Chronic Disease; D003287:Contrast Media; D006801:Humans; D007089:Image Enhancement / Q000379:methods; D007091:Image Processing, Computer-Assisted; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D008875:Middle Aged; D011467:Prostate / Q000000981:diagnostic imaging / Q000473:pathology; D017430:Prostate-Specific Antigen / Q000032:analysis; D011470:Prostatic Hyperplasia / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology; D011471:Prostatic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D011472:Prostatitis / Q000175:diagnosis / Q000473:pathology; D014463:Ultrasonography
chemical_list: D003287:Contrast Media; D017430:Prostate-Specific Antigen