CLINICALLY LOCALIZED PROSTATE CANCER: CAPACITIES OF MATRIX COIL MRI TO DETECT MINIMAL EXTRACAPSULAR TUMOR SPREAD

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Abstract

Retrospective assessment of preoperative magnetic resonance imaging (MRI) data in 37 patients with prostate cancer, who had undergone radical prostatectomy, established the most diagnostically valuable MRI signs of minimal extracapsular spread (ECS): asymmetry of neurovascular fascicles (72 % accuracy, 93 % sensitivity, 77 % specificity, 73 % positive and 94% negative predictive values) and iron outline deformity/irregularity (66/80/64/60/82 %, respectively); as well as their higher diagnostic efficiency versus the clinical and laboratory predictors of ECS: total Gleason scores (58/87/55/57/86 %, respectively) and serum PSA levels (uninformative), which permits their consideration while choosing a more or less radical prostatectomy modality.

About the authors

E. A. Petrova

Medical Radiology Research Center, Ministry of Health of Russia, Obninsk

Email: berez@mrrc.obninsk.ru
Russian Federation

T. P. Berezovskaya

Medical Radiology Research Center, Ministry of Health of Russia, Obninsk

Author for correspondence.
Email: berez@mrrc.obninsk.ru
Russian Federation

O. B. Karyakin

Medical Radiology Research Center, Ministry of Health of Russia, Obninsk

Email: berez@mrrc.obninsk.ru
Russian Federation

D. V. Neledov

Medical Radiology Research Center, Ministry of Health of Russia, Obninsk

Email: berez@mrrc.obninsk.ru
Russian Federation

N. A. Gorban

Medical Radiology Research Center, Ministry of Health of Russia, Obninsk

Email: berez@mrrc.obninsk.ru
Russian Federation

Z. N. Shavladze

Medical Radiology Research Center, Ministry of Health of Russia, Obninsk

Email: berez@mrrc.obninsk.ru
Russian Federation

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