OOIR: Observatory of International Research

Papers

(The H4-Index of Japanese Journal of Radiology is 25. 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 2022-05-01 to 2026-05-01.)

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	467
Inspiratory and expiratory CT analyses of the diaphragmatic crus in chronic obstructive pulmonary disease	109
The diagnostic performance of ultra-low-dose 320-row detector CT with different reconstruction algorithms on limb joint fractures in the emergency department	95
Application of 123I-MIBG myocardial maximum standardized uptake value to characterize cardiac function in patients with pheochromocytoma: comparison with echocardiography	86
Fractal analysis of dynamic stress myocardial CT perfusion decouples diagnostic accuracy for obstructive coronary artery disease from remote flow	75
Brain perfusion SPECT in dementia: what radiologists should know	73
Noninvasive dynamic vascular imaging: arterial spin labeling-based noncontrast magnetic resonance digital subtraction angiography for cerebral disease diagnoses	68
Fractal-driven self-supervised learning enhances early-stage lung cancer GTV segmentation: a novel transfer learning framework	61
18F-FAPI-74 versus 18F-FDG in synchronous pancreatic cancer and follicular lymphoma	50
Correction to: Prediction of the wall‑invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction	50
Time course of complications after small renal mass biopsy: evaluation of initial follow-up images	49
Effects of slice thickness on CT radiomics features and models for staging liver fibrosis caused by chronic liver disease	47
The radiomics fingerprint of cartilage tumours: radiomics-based MRI differentiation of enchondroma and atypical cartilaginous tumour	46
Comment on “CT-based assessment of bear-inflicted maxillofacial injuries: evaluation using the facial injury severity scale and its association with hospitalization duration”	45
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	39
Inflammation index predicts radiation-induced lung injury and prognosis in lung tumors treated with stereotactic body radiation therapy	36
CT and MRI of abdominal cancers: current trends and perspectives in the era of radiomics and artificial intelligence	34
Spot sign score is associated with hematoma expansion and longer hospital stay but not functional outcomes in primary intracerebral hemorrhage survivors	34
Performance of iodine quantification through high-pitch dual-source photon-counting CT: a phantom study	33
Blood oxygenation level-dependent MRI in critical limb-threatening ischemia: association with clinical and angiographic findings and response to revascularization	33
Dual-energy computed tomography for improved visualization of internal jugular chain neck lymph node metastasis and nodal necrosis in head and neck squamous cell carcinoma	32
Cranial and spinal computed tomography (CT) angiography with photon-counting detector CT: comparison with angiographic and operative findings	32
From Brownian motion to virtual biopsy: a historical perspective from 40 years of diffusion MRI	31
Comparison of natural language processing algorithms in assessing the importance of head computed tomography reports written in Japanese	30
The letter to editor regarding “CT-based assessment of bear-inflicted maxillofacial injuries: evaluation using the facial injury severity scale and its association with hospitalization duration”	26