OOIR: Observatory of International Research

Papers

(The H4-Index of Japanese Journal of Radiology is 22. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Application of 123I-MIBG myocardial maximum standardized uptake value to characterize cardiac function in patients with pheochromocytoma: comparison with echocardiography	218
Noninvasive dynamic vascular imaging: arterial spin labeling-based noncontrast magnetic resonance digital subtraction angiography for cerebral disease diagnoses	157
Time course of complications after small renal mass biopsy: evaluation of initial follow-up images	75
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	58
Percutaneous needle biopsy under 1.2 Tesla open MRI guidance	57
The diagnostic performance of ultra-low-dose 320-row detector CT with different reconstruction algorithms on limb joint fractures in the emergency department	47
A three-dimensional measurement method on MR arthrography of the hip to classify femoro-acetabular impingement	43
Inspiratory and expiratory CT analyses of the diaphragmatic crus in chronic obstructive pulmonary disease	43
Correction to: An analysis of the radiological factors associated with respiratory failure in COVID-19 pneumonia and the CT features among different age categories	39
Assessment of the sequential time–signal enhancement curve of dynamic contrast-enhanced MRI might be effective in diagnosing growth hormone-producing pituitary adenomas	39
CT and MRI of abdominal cancers: current trends and perspectives in the era of radiomics and artificial intelligence	37
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	35
Brain perfusion SPECT in dementia: what radiologists should know	31
Development and validation of a CT-based nomogram to predict spread through air space (STAS) in peripheral stage IA lung adenocarcinoma	29
Inflammation index predicts radiation-induced lung injury and prognosis in lung tumors treated with stereotactic body radiation therapy	27
Effects of slice thickness on CT radiomics features and models for staging liver fibrosis caused by chronic liver disease	27
Cranial and spinal computed tomography (CT) angiography with photon-counting detector CT: comparison with angiographic and operative findings	25
Performance of iodine quantification through high-pitch dual-source photon-counting CT: a phantom study	25
Neuroimaging of hypophysitis: etiologies and imaging mimics	25
Clinical significance of dual-energy dual-layer CT parameters in differentiating small-sized gastrointestinal stromal tumors from leiomyomas	23
From Brownian motion to virtual biopsy: a historical perspective from 40 years of diffusion MRI	23
Spot sign score is associated with hematoma expansion and longer hospital stay but not functional outcomes in primary intracerebral hemorrhage survivors	23
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	22
CZT-based photon-counting-detector CT with deep-learning reconstruction: image quality and diagnostic confidence for lung tumor assessment	22
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	22