OOIR: Observatory of International Research

Papers

(The TQCC of Japanese Journal of Radiology is 5. 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 2020-05-01 to 2024-05-01.)

Article	Citations
Reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) for evaluating interstitial fluid diffusivity and glymphatic function: CHanges in Alps index on Multiple cond	89
Comprehensive review of Wernicke encephalopathy: pathophysiology, clinical symptoms and imaging findings	84
Imaging for central nervous system (CNS) interstitial fluidopathy: disorders with impaired interstitial fluid dynamics	54
Ground-glass opacity (GGO): a review of the differential diagnosis in the era of COVID-19	42
CT and MRI of pancreatic tumors: an update in the era of radiomics	40
Deep learning image reconstruction for improvement of image quality of abdominal computed tomography: comparison with hybrid iterative reconstruction	39
Artificial intelligence: a critical review of current applications in pancreatic imaging	39
Chest computed tomography findings of COVID-19 pneumonia: pictorial essay with literature review	33
Fairness of artificial intelligence in healthcare: review and recommendations	27
Diffusion-weighted image analysis along the perivascular space (DWI–ALPS) for evaluating interstitial fluid status: age dependence in normal subjects	27
Efficiency of a computer-aided diagnosis (CAD) system with deep learning in detection of pulmonary nodules on 1-mm-thick images of computed tomography	26
Subchondral insufficiency fracture of the knee: review of current concepts and radiological differential diagnoses	26
Dual-energy CT: minimal essentials for radiologists	25
Radiomics in medical imaging: pitfalls and challenges in clinical management	25
Convolutional neural network for classifying primary liver cancer based on triple-phase CT and tumor marker information: a pilot study	22
Series of myocardial FDG uptake requiring considerations of myocardial abnormalities in FDG-PET/CT	21
Pulmonary vascular enlargement and lesion extent on computed tomography are correlated with COVID-19 disease severity	20
Feasibility of new fat suppression for breast MRI using pix2pix	20
Gastrointestinal stromal tumors: a comprehensive radiological review	20
Impact of deep learning reconstruction on intracranial 1.5 T magnetic resonance angiography	19
Maximum slope of ultrafast dynamic contrast-enhanced MRI of the breast: Comparisons with prognostic factors of breast cancer	19
Deep learning-based and hybrid-type iterative reconstructions for CT: comparison of capability for quantitative and qualitative image quality improvements and small vessel evaluation at dynamic CE-abd	18
Convolutional neural network in nasopharyngeal carcinoma: how good is automatic delineation for primary tumor on a non-contrast-enhanced fat-suppressed T2-weighted MRI?	18
Deep learning method with a convolutional neural network for image classification of normal and metastatic axillary lymph nodes on breast ultrasonography	18
Whole-body MRI: detecting bone metastases from prostate cancer	18

Correlation between imaging features and molecular subtypes of breast cancer in young women (≤30 years old)	17
Congenital anomalies causing hemato/hydrocolpos: imaging findings, treatments, and outcomes	17
Developing diagnostic reference levels in Japan	17
Discrimination of lipoma from atypical lipomatous tumor/well-differentiated liposarcoma using magnetic resonance imaging radiomics combined with machine learning	17
Interstitial lung disease in patients with antisynthetase syndrome: a retrospective case series study	16
Emergency transarterial embolization followed by staged hepatectomy versus emergency hepatectomy for ruptured hepatocellular carcinoma: a single-center, propensity score matched analysis	16
Investigation of MRI-based radiomics model in differentiation between sinonasal primary lymphomas and squamous cell carcinomas	16
Quantitative evaluation of COVID-19 pneumonia severity by CT pneumonia analysis algorithm using deep learning technology and blood test results	15
Performance evaluation of ChatGPT, GPT-4, and Bard on the official board examination of the Japan Radiology Society	15
Introduction to deep learning: minimum essence required to launch a research	14
Pulmonary artery trunk enlargement on admission as a predictor of mortality in in-hospital patients with COVID-19	13
Artificial intelligence in lung cancer: current applications and perspectives	13
Anomaly detection in chest 18F-FDG PET/CT by Bayesian deep learning	13
Anterior mediastinal lesions: CT and MRI features and differential diagnosis	13
Discrimination between pituitary adenoma and craniopharyngioma using MRI-based image features and texture features	13
Dynamic contrast-enhanced (DCE) imaging: state of the art and applications in whole-body imaging	12
Value of ultrafast and standard dynamic contrast-enhanced magnetic resonance imaging in the evaluation of the presence and extension of residual disease after neoadjuvant chemotherapy in breast cancer	12
Subcategory classifications of Breast Imaging and Data System (BI-RADS) category 4 lesions on MRI	12
Clinical and radiological characteristics of pediatric patients with COVID-19: focus on imaging findings	12
Newly developed artificial intelligence algorithm for COVID-19 pneumonia: utility of quantitative CT texture analysis for prediction of favipiravir treatment effect	12
Diffusion analysis of fluid dynamics with incremental strength of motion proving gradient (DANDYISM) to evaluate cerebrospinal fluid dynamics	12
Amide proton transfer imaging in differentiation of type II and type I endometrial carcinoma: a pilot study	11
Unenhanced abdominal low-dose CT reconstructed with deep learning-based image reconstruction: image quality and anatomical structure depiction	11
Evidence on percutaneous radiofrequency and microwave ablation for liver metastases over the last decade	11
Tumor response evaluation in patients with malignant melanoma undergoing immune checkpoint inhibitor therapy and prognosis prediction using 18F-FDG PET/CT: multicenter study for comparison of EORTC, P	11
Usefulness of texture analysis for grading pancreatic neuroendocrine tumors on contrast-enhanced computed tomography and apparent diffusion coefficient maps	10
Current status and challenges of percutaneous vertebroplasty (PVP)	10
Pearls and pitfalls of imaging features of pancreatic cystic lesions: a case-based approach with imaging–pathologic correlation	10
A novel strategy to develop deep learning for image super-resolution using original ultra-high-resolution computed tomography images of lung as training dataset	10
Reviewing applications of structural and functional MRI for bipolar disorder	10
Application of multimodal ultrasonography for differentiating benign and malignant cervical lymphadenopathy	10
Improved image quality of temporal bone CT with an ultrahigh-resolution CT scanner: clinical pilot studies	10
A primer on skeletal dysplasias	10
Bowel habits and gender correlate with colon length measured by CT colonography	10
18F-FDG PET/CT in asymptomatic patients with COVID-19: the submerged iceberg surfaces	10
Clinical and prognostic 18F-FDG PET/CT role in recurrent vulvar cancer: a multicentric experience	10
An analysis of anatomical variations of the left pulmonary artery of the interlobar portion for lung resection by three-dimensional CT pulmonary angiography and thin-section images	9
A retrospective study of the initial 25 COVID-19 patients in Luoyang, China	9
Visualizing “featureless” regions on mammograms classified as invasive ductal carcinomas by a deep learning algorithm: the promise of AI support in radiology	9
Imaging findings of lesions in the middle and posterior mediastinum	9
Comparison of visibility of in-stent restenosis between conventional- and ultra-high spatial resolution computed tomography: coronary arterial phantom study	9
Linac-based STereotactic Arrhythmia Radioablation (STAR) for ventricular tachycardia: a treatment planning study	9
Hepatic arterial infusion chemotherapy following simultaneous metallic stent placement and iodine-125 seed strands for advanced cholangiocarcinoma causing malignant obstructive jaundice: a propensity	9
Radiomics of locally advanced rectal cancer: machine learning-based prediction of response to neoadjuvant chemoradiotherapy using pre-treatment sagittal T2-weighted MRI	9
A multidomain fusion model of radiomics and deep learning to discriminate between PDAC and AIP based on 18F-FDG PET/CT images	9
Imaging of pituitary tumors: an update with the 5th WHO Classifications—part 1. Pituitary neuroendocrine tumor (PitNET)/pituitary adenoma	9
MRI imaging features of HIV-related central nervous system diseases: diagnosis by pattern recognition in daily practice	9
Understanding CT imaging findings based on the underlying pathophysiology in patients with small bowel ischemia	9
Preliminary assessment of automated radiology report generation with generative pre-trained transformers: comparing results to radiologist-generated reports	9
Image quality evaluation of real low-dose breast PET	9

Prediction of breast cancer risk by automated volumetric breast density measurement	9
The effect of CT texture-based analysis using machine learning approaches on radiologists' performance in differentiating focal-type autoimmune pancreatitis and pancreatic duct carcinoma	8
Direct aspiration thrombectomy experience with the SOFIA 6F catheter in acute ischemic stroke	8
Detection of the intimal tear in aortic dissection and ulcer-like projection in intramural hematoma: usefulness of full-phase retrospective ECG-gated CT angiography	8
Preoperative computerized tomography screening for COVID-19 pneumonia in asymptomatic patients: experiences from two centers	8
CT findings of non-neoplastic central airways diseases	8
Mimicking conditions of intestinal Crohn’s disease: magnetic resonance enterography findings	8
Trends and hot topics in radiology, nuclear medicine and medical imaging from 2011–2021: a bibliometric analysis of highly cited papers	8
Improved reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) index: an analysis of reorientation technique of the OASIS-3 dataset	8
Dual-energy CT enterography in evaluation of Crohn’s disease: the role of virtual monochromatic images	8
Particle therapy using protons or carbon ions for cancer patients with cardiac implantable electronic devices (CIED): a retrospective multi-institutional study	8
Large vessel vasculitis: imaging standards of 18F-FDG PET/CT	8
Feasibility of perfusion and early-uptake 18F-FDG PET/CT in primary hepatocellular carcinoma: a dual-input dual-compartment uptake model	8
Differences in patterns of recurrence of squamous cell carcinoma and adenocarcinoma after radiotherapy for stage III non-small cell lung cancer	8
Development and validation of a CT-based nomogram to predict spread through air space (STAS) in peripheral stage IA lung adenocarcinoma	8
Ovarian and non-ovarian teratomas: a wide spectrum of features	7
Texture analysis of delayed contrast-enhanced computed tomography to diagnose cardiac sarcoidosis	7
The effectiveness of ethanol ablation in the treatment of thyroglossal duct cysts in adult cases and evaluation with cosmetic scoring	7
Usefulness of deep learning-assisted identification of hyperdense MCA sign in acute ischemic stroke: comparison with readers’ performance	7
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	7
Dynamic changes on chest CT of COVID-19 patients with solitary pulmonary lesion in initial CT	7
Automatic bronchial segmentation on ultra-HRCT scans: advantage of the 1024-matrix size with 0.25-mm slice thickness reconstruction	7
Assessment of squamous cell carcinoma of the floor of the mouth with magnetic resonance imaging	7
Hepatic sclerosed hemangioma and sclerosing cavernous hemangioma: a radiological study	7
Endovascular treatment with Viabahn stent-grafts for arterial injury and bleeding at the visceral arteries: initial and midterm results	7
Usefulness of quantitative bone SPECT/CT for medication-related osteonecrosis of the jaw in clinical settings	7
Follow-up non-contrast MRA after treatment of intracranial aneurysms using microcoils with prominent metallic artifact: a comparative study of TOF-MRA and Silent MRA	7
Incidental mediastinal masses detected at low-dose CT screening: prevalence and radiological characteristics	6
Stereotactic body radiotherapy for spinal oligometastases: a review on patient selection and the optimal methodology	6
Utility of magnetic resonance imaging for differentiating malignant mesenchymal tumors of the uterus from T2-weighted hyperintense leiomyomas	6
Brain abnormalities in children with attention-deficit/hyperactivity disorder assessed by multi-delay arterial spin labeling perfusion and voxel-based morphometry	6
Feasibility of computed tomography texture analysis of hepatic fibrosis using dual-energy spectral detector computed tomography	6
Validation of deep learning-based computer-aided detection software use for interpretation of pulmonary abnormalities on chest radiographs and examination of factors that influence readers’ performanc	6
Imaging of pituitary tumors: an update with the 5th WHO Classifications—part 2. Neoplasms other than PitNET and tumor-mimicking lesions	6
Age-related changes in the distribution of intravenously administered gadolinium-based contrast agents leaked into the cerebrospinal fluid in patients with suspected endolymphatic hydrops	6
F-18-FDG PET/CT findings of paraneoplastic dermatoses	6
The value of whole-tumor histogram and texture analysis based on apparent diffusion coefficient (ADC) maps for the discrimination of breast fibroepithelial lesions: corresponds to clinical management	6
Visualization of small visceral arteries on abdominal CT angiography using ultra-high-resolution CT scanner	6
An introduction to photon-counting detector CT (PCD CT) for radiologists	6
Imaging findings of granulocyte colony-stimulating factor-producing tumors: a case series and review of the literature	6
Comparison of the performances of machine learning and deep learning in improving the quality of low dose lung cancer PET images	6
Glymphatic system impairment in sleep disruption: diffusion tensor image analysis along the perivascular space (DTI-ALPS)	6
SARS-CoV-2 RT-PCR and Chest CT, two complementary approaches for COVID-19 diagnosis	6
Subtraction iodine imaging with area detector CT to improve tumor delineation and measurability of tumor size and depth of invasion in tongue squamous cell carcinoma	6
Denoising approach with deep learning-based reconstruction for neuromelanin-sensitive MRI: image quality and diagnostic performance	6
Diffusion tensor imaging (DTI) of human lower leg muscles: correlation between DTI parameters and muscle power with different ankle positions	6
Optimal use of the FDG-PET/CT in the diagnostic process of fever of unknown origin (FUO): a comprehensive review	6
Performance changes due to differences in training data for cerebral aneurysm detection in head MR angiography images	6
Laparoscopic ultrasonography-guided cryoablation of locally advanced pancreatic cancer: a preliminary report	6
Transient respiratory motion artifacts in multiple arterial phases on abdominal dynamic magnetic resonance imaging: a comparison using gadoxetate disodium and gadobutrol	6
Magnetic resonance cisternography imaging findings related to the leakage of Gadolinium into the subarachnoid space	6
Comparison of CT findings of coronavirus disease 2019 (COVID-19) pneumonia caused by different major variants	5
Predicting axillary lymph node metastasis in breast cancer using the similarity of quantitative dual-energy CT parameters between the primary lesion and axillary lymph node	5
Microvascular imaging ultrasound (MicroV) and power Doppler vascularization analysis in a pediatric population with early scrotal pain onset	5
Imaging evaluation of hereditary renal tumors: a pictorial review	5
Usefulness of advanced monoenergetic reconstruction technique in dual-energy computed tomography for detecting bladder cancer	5
There are no three physiological narrowings in the upper urinary tract: a new concept of the retroperitoneal anatomy around the ureter	5
Predictive factors of truncation artifacts in the arterial phase of Gd-EOB-DTPA-enhanced MRI: a nationwide multicenter study	5
Glymphatic system impairment in corticobasal syndrome: diffusion tensor image analysis along the perivascular space (DTI-ALPS)	5
Application of prospective ECG-gated multiphase scanning for coronary CT in children with different heart rates	5
Carbon-ion radiotherapy for octogenarians with locally advanced non-small-cell lung cancer	5
Role of stereotactic body radiotherapy in multidisciplinary management of liver metastases in patients with colorectal cancer	5
Size of pelvic bone metastasis as a significant prognostic factor for metastatic prostate cancer patients	5
Carcinosarcoma of the ovary: MR and clinical findings compared with high-grade serous carcinoma	5
The utility of dynamic MRI in differentiating the hormone-producing ability of pituitary adenomas	5
Importance of the heart rate in ultra-high-resolution coronary CT angiography with 0.35 s gantry rotation time	5
Metastatic lymph node calcification in rectal cancer: comparison of CT and high-resolution MRI	5
Tumor volume-adapted SUVN as an alternative to SUVpeak for quantification of small lesions in PET/CT imaging: a proof-of-concept study	5
Deep learning reconstruction with single-energy metal artifact reduction in pelvic computed tomography for patients with metal hip prostheses	5
An analysis of the radiological factors associated with respiratory failure in COVID-19 pneumonia and the CT features among different age categories	5
Relationship between F-18 florbetapir uptake in occipital lobe and neurocognitive performance in Alzheimer’s disease	5
FDG-PET vs. chemical shift MR imaging in differentiating intertrabecular metastasis from hematopoietic bone marrow hyperplasia	5
Usefulness of dual-layer spectral CT in follow-up examinations: diagnosing recurrent squamous cell carcinomas in the head and neck	5
Comparisons between artificial intelligence computer-aided detection synthesized mammograms and digital mammograms when used alone and in combination with tomosynthesis images in a virtual screening s	5
Effects of slice thickness on CT radiomics features and models for staging liver fibrosis caused by chronic liver disease	5