OOIR: Observatory of International Research

Papers

(The H4-Index of Japanese Journal of Radiology is 27. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
Development of Acceptable Quality Dose (AQD) and image quality-related diagnostic reference levels for common computed tomography investigations in a tertiary care public sector hospital of Khyber Pak	375
Inspiratory and expiratory CT analyses of the diaphragmatic crus in chronic obstructive pulmonary disease	99
Fractal analysis of dynamic stress myocardial CT perfusion decouples diagnostic accuracy for obstructive coronary artery disease from remote flow	84
Application of 123I-MIBG myocardial maximum standardized uptake value to characterize cardiac function in patients with pheochromocytoma: comparison with echocardiography	76
Comment on “CT-based assessment of bear-inflicted maxillofacial injuries: evaluation using the facial injury severity scale and its association with hospitalization duration”	73
Correction to: Prediction of the wall‑invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction	69
Fractal-driven self-supervised learning enhances early-stage lung cancer GTV segmentation: a novel transfer learning framework	59
Time course of complications after small renal mass biopsy: evaluation of initial follow-up images	58
The diagnostic performance of ultra-low-dose 320-row detector CT with different reconstruction algorithms on limb joint fractures in the emergency department	54
Noninvasive dynamic vascular imaging: arterial spin labeling-based noncontrast magnetic resonance digital subtraction angiography for cerebral disease diagnoses	54
CT and MRI of abdominal cancers: current trends and perspectives in the era of radiomics and artificial intelligence	51
Effects of slice thickness on CT radiomics features and models for staging liver fibrosis caused by chronic liver disease	42
Detection of intracranial aneurysms using deep learning-based CAD system: usefulness of the scores of CNN’s final layer for distinguishing between aneurysm and infundibular dilatation	40
Development and validation of a CT-based nomogram to predict spread through air space (STAS) in peripheral stage IA lung adenocarcinoma	40
Brain perfusion SPECT in dementia: what radiologists should know	39
Inflammation index predicts radiation-induced lung injury and prognosis in lung tumors treated with stereotactic body radiation therapy	39
Performance of iodine quantification through high-pitch dual-source photon-counting CT: a phantom study	38
Spot sign score is associated with hematoma expansion and longer hospital stay but not functional outcomes in primary intracerebral hemorrhage survivors	33
External validation of the performance of commercially available deep-learning-based lung nodule detection on low-dose CT images for lung cancer screening in Japan	33
Comparison of natural language processing algorithms in assessing the importance of head computed tomography reports written in Japanese	33
Clinical significance of dual-energy dual-layer CT parameters in differentiating small-sized gastrointestinal stromal tumors from leiomyomas	30
CZT-based photon-counting-detector CT with deep-learning reconstruction: image quality and diagnostic confidence for lung tumor assessment	29
Response to: LI-RADS CT/MRI radiation treatment response assessment version 2024: the importance of pretreatment stage and time	29
Authors’ reply to: "Enhancing generalizability and clinical translation of ViT-CNA fusion for ASD diagnosis"	29
Imaging of metabolic and overload disorders in tissues and organs	29

Canadian radiology: 2025 update	28
Neuroimaging of hypophysitis: etiologies and imaging mimics	27