OOIR: Observatory of International Research

Papers

(The H4-Index of Japanese Journal of Radiology is 26. 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 2021-11-01 to 2025-11-01.)

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	317
Inspiratory and expiratory CT analyses of the diaphragmatic crus in chronic obstructive pulmonary disease	93
Inflammation index predicts radiation-induced lung injury and prognosis in lung tumors treated with stereotactic body radiation therapy	75
Application of 123I-MIBG myocardial maximum standardized uptake value to characterize cardiac function in patients with pheochromocytoma: comparison with echocardiography	70
Comment on “CT-based assessment of bear-inflicted maxillofacial injuries: evaluation using the facial injury severity scale and its association with hospitalization duration”	63
Development and validation of a CT-based nomogram to predict spread through air space (STAS) in peripheral stage IA lung adenocarcinoma	62
Correction to: Prediction of the wall‑invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction	53
Noninvasive dynamic vascular imaging: arterial spin labeling-based noncontrast magnetic resonance digital subtraction angiography for cerebral disease diagnoses	51
Fractal-driven self-supervised learning enhances early-stage lung cancer GTV segmentation: a novel transfer learning framework	51
The diagnostic performance of ultra-low-dose 320-row detector CT with different reconstruction algorithms on limb joint fractures in the emergency department	50
Percutaneous needle biopsy under 1.2 Tesla open MRI guidance	46
Fractal analysis of dynamic stress myocardial CT perfusion decouples diagnostic accuracy for obstructive coronary artery disease from remote flow	40
Brain perfusion SPECT in dementia: what radiologists should know	39
Effects of slice thickness on CT radiomics features and models for staging liver fibrosis caused by chronic liver disease	38
Time course of complications after small renal mass biopsy: evaluation of initial follow-up images	38
CT and MRI of abdominal cancers: current trends and perspectives in the era of radiomics and artificial intelligence	36
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	36
Feasibility study for inducing the skeletal muscle fibrosis via irradiation using two mouse strains	35
Performance of iodine quantification through high-pitch dual-source photon-counting CT: a phantom study	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	31
Comparison of natural language processing algorithms in assessing the importance of head computed tomography reports written in Japanese	30
Spot sign score is associated with hematoma expansion and longer hospital stay but not functional outcomes in primary intracerebral hemorrhage survivors	29
Response to: LI-RADS CT/MRI radiation treatment response assessment version 2024: the importance of pretreatment stage and time	28
Canadian radiology: 2025 update	28
Imaging of metabolic and overload disorders in tissues and organs	27

Feasibility of iodine concentration and extracellular volume fraction measurement derived from the equilibrium phase dual-energy CT for differentiating thymic epithelial tumors	26
Cranial and spinal computed tomography (CT) angiography with photon-counting detector CT: comparison with angiographic and operative findings	26
Clinical significance of dual-energy dual-layer CT parameters in differentiating small-sized gastrointestinal stromal tumors from leiomyomas	26