Keiichi Narita

Tokyo, Japan

Last Updated: 09/26/2026

Save publications for later

Sign Up

Not sure about your diagnosis?

Check Your Symptoms

Found 13 publications

Quantitative airway evaluation using supine and upright computed tomography in patients with non-cystic fibrosis bronchiectasis and nontuberculous mycobacterial pulmonary disease.

Quantitative airway evaluation using supine and upright computed tomography in patients with non-cystic fibrosis bronchiectasis and nontuberculous mycobacterial pulmonary disease.

Journal: European journal of radiology

Published: May 24, 2025

Anatomical cardiac and electrocardiographic axes correlate in both upright and supine positions: an upright/supine CT study.

Anatomical cardiac and electrocardiographic axes correlate in both upright and supine positions: an upright/supine CT study.

Journal: Scientific reports

Published: May 16, 2023

Factors affecting the selection of eligible candidates for focal therapy for prostate cancer.

Factors affecting the selection of eligible candidates for focal therapy for prostate cancer.

Journal: World journal of urology

Published: December 08, 2022

Estimating right atrial pressure using upright computed tomography in patients with heart failure.

Estimating right atrial pressure using upright computed tomography in patients with heart failure.

Journal: European radiology

Published: May 19, 2022

Saphenous vein valve assessment utilizing upright CT to potentially improve graft assessment for bypass surgery.

Saphenous vein valve assessment utilizing upright CT to potentially improve graft assessment for bypass surgery.

Journal: Scientific reports

Published: January 11, 2021

Three-dimensional evaluation of the coccyx movement between supine and standing positions using conventional and upright computed tomography imaging.

Three-dimensional evaluation of the coccyx movement between supine and standing positions using conventional and upright computed tomography imaging.

Journal: Scientific reports

Published: December 30, 2020

Effect of gravity on brain structure as indicated on upright computed tomography.

Effect of gravity on brain structure as indicated on upright computed tomography.

Journal: Scientific reports

Published: June 08, 2020

Pelvic floor morphology in the standing position using upright computed tomography: age and sex differences.

Pelvic floor morphology in the standing position using upright computed tomography: age and sex differences.

Journal: International urogynecology journal

Published: February 21, 2020

Differences in Lung and Lobe Volumes between Supine and Standing Positions Scanned with Conventional and Newly Developed 320-Detector-Row Upright CT: Intra-Individual Comparison.

Differences in Lung and Lobe Volumes between Supine and Standing Positions Scanned with Conventional and Newly Developed 320-Detector-Row Upright CT: Intra-Individual Comparison.

Journal: Respiration; international review of thoracic diseases

Published: January 03, 2020

Development of Upright Computed Tomography With Area Detector for Whole-Body Scans: Phantom Study, Efficacy on Workflow, Effect of Gravity on Human Body, and Potential Clinical Impact.

Development of Upright Computed Tomography With Area Detector for Whole-Body Scans: Phantom Study, Efficacy on Workflow, Effect of Gravity on Human Body, and Potential Clinical Impact.

Journal: Investigative radiology

Published: September 11, 2019

Biopsy-diagnosed renal granuloma after intravesical bacillus Calmette-Guérin therapy for bladder carcinoma: a case series and review of the literature.

Biopsy-diagnosed renal granuloma after intravesical bacillus Calmette-Guérin therapy for bladder carcinoma: a case series and review of the literature.

Journal: BJR case reports

Published: February 07, 2019

Prediction of extraprostatic extension by MRI tumor contact length: difference between anterior and posterior prostate cancer.

Prediction of extraprostatic extension by MRI tumor contact length: difference between anterior and posterior prostate cancer.

Journal: Prostate cancer and prostatic diseases

Published: December 02, 2018

Showing 1-12 of 13

Last Updated: 09/26/2026