OOIR: Observatory of International Research

Papers

(The median citation count of Ultrasonography is 3. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Utility of fusion imaging for the evaluation of ultrasound quality in hepatocellular carcinoma surveillance	63
Endoscopic ultrasonography is useful for predicting perforation in the endoscopic resection of gastric submucosal tumors originating from the muscularis propria: a retrospective case-control study	35
Ultrasonographic atlas of splenic lesions	32
Optic nerve sheath diameter, strain ratio, and shear wave elastography	32
Accuracy of the ultrasound attenuation coefficient for the evaluation of hepatic steatosis: a systematic review and meta-analysis of prospective studies	29
A comparison of the diagnostic performance of the O-RADS, RMI4, IOTA LR2, and IOTA SR systems by senior and junior doctors	27
The efficiency of contrast-enhanced endoscopic ultrasound (EUS) combined with EUS elastography for pancreatic cancer diagnosis: a systematic review and meta-analysis	27
Predicting the chemotherapeutic response of colorectal cancer liver metastasis using shear-wave elastography	23
The role of Doppler ultrasonography in the detection and management of nutcracker syndrome	23
Quantitative analysis using intraoperative contrast-enhanced ultrasound in adult-type diffuse gliomas with isocitrate dehydrogenase mutations: association between hemodynamics and molecular features	23
Relationship between endometriosis and uterine cervical elasticity assessed using ultrasound strain elastography	21
Percutaneous radiofrequency ablation of solitary hepatic metastases from colorectal cancer: risk factors of local tumor progression-free survival and overall survival	19
A prospective comparison of two ultrasound attenuation imaging modes using different frequencies for assessing hepatic steatosis	19
Assessment of thyroid-specific quality of life in patients with benign symptomatic thyroid nodules treated with radiofrequency or ethanol ablation: a prospective multicenter study	18
Transient elastography with controlled attenuation parameter versus two-dimensional shear wave elastography with attenuation imaging for the evaluation of hepatic steatosis and fibrosis in NAFLD	18
Sonazoid-enhanced ultrasonography for noninvasive imaging diagnosis of hepatocellular carcinoma: special emphasis on the 2022 KLCA-NCC guideline	17
Unraveling distinctions between contrast-enhanced ultrasound and CT/MRI for liver mass diagnosis	16
Nerve entrapment syndromes: detection by ultrasound	16
Technical issues in ultrasound-guided ethanol ablation for thyroid lesions	16
Improving breast ultrasonography education: the impact of AI-based decision support on the performance of non-specialist medical professionals	16
Multiparametric ultrasound for upper extremity dialysis access evaluation	15
Intraoperative sonography using high-frequency transducer during living Donor liver transplantation with modified right-lobe graft	15
Malignancy risk stratification and subcategorization of K-TIRADS intermediate suspicion thyroid nodules: a retrospective multicenter study	14
Transperineal versus transrectal prostate fiducial insertion in radiation treatment of prostate cancer: a systematic review and meta-analysis	14
2022 Taiwan clinical multicenter expert consensus and recommendations for thyroid radiofrequency ablation	14

Contrast-enhanced voiding ultrasonography to detect intrarenal reflux in children: comparison with 99mTc-DMSA renal scans	14
Applications of artificial intelligence in obstetrics	13
Shear-wave elastography for the assessment of testicular involvement of hematologic malignancies in children and young adults: a feasibility study	12
Pelvic ultrasonography of the postpartum uterus in patients presenting to the emergency room with vaginal bleeding and pelvic pain	12
Ultrasound-guided ethanol ablation versus the Sistrunk operation as a primary treatment for thyroglossal duct cysts	12
Comparison of two different lung ultrasound imaging protocols in COVID-19 pneumonia	12
Application of O-RADS US combined with MV-Flow to diagnose ovarian-adnexal tumors	12
Analyzing the adoption of radiofrequency ablation of thyroid nodules using the diffusion of innovations theory: understanding where we are in the United States?	11
Contrast enhancement for ultrasound-guided interventions: when to use it and what to expect?	11
Plaque biomarkers from high-frame rate vector flow imaging and shear wave elastography in mild carotid stenosis	11
Effectiveness of ultrasonography and shear wave sonoelastography in Sjögren syndrome with salivary gland involvement	11
Unsupervised speckle noise reduction technique for clinical ultrasound imaging	11
Combined accuracy of optic nerve sheath diameter, strain ratio, and shear wave elastography of the optic nerve in patients with idiopathic intracranial hypertension	11
A pilot clinical study of low-intensity transcranial focused ultrasound in Alzheimer’s disease	10
Evaluation of ultrasound point shear wave elastography reliability in an elasticity phantom	10
Role of high-frequency ultrasound in differentiating benign and malignant skin lesions: potential and limitations	10
Intelligent handheld ultrasound improving the ability of non-expert general practitioners in carotid examinations for community populations: a prospective and parallel controlled trial	9
How many times should we repeat measurements of the ultrasound-guided attenuation parameter for evaluating hepatic steatosis?	9
Ablation therapy for patients with colorectal liver metastases with and without extrahepatic metastases: evaluation of long-term outcomes and prognostic factors	9
Accuracy of attenuation imaging in the assessment of pediatric hepatic steatosis: correlation with the controlled attenuation parameter	9
Long-term follow-up of the radiofrequency ablation of benign thyroid nodules: the value of additional treatment	8
Casting light on the overlooked trigger point of the interosseous muscles in metatarsalgia: insights and treatment strategies	8
Improving the quality of breast ultrasound examination performed by inexperienced ultrasound doctors with synchronous tele-ultrasound: a prospective, parallel controlled trial	8
Diagnostic performance of the modified Korean Thyroid Imaging Reporting and Data System for thyroid malignancy according to nodule size: a comparison with five society guidelines	8
Vascular compression syndromes: a pictorial review	8
Differentiation of cystic biliary atresia and choledochal cysts using prenatal ultrasonography	8
Deep learning-based automated quantification of the hepatorenal index for evaluation of fatty liver by ultrasonography	8
Contrast-enhanced voiding urosonography for the diagnosis of vesicoureteral reflux and intrarenal reflux: a comparison of diagnostic performance with fluoroscopic voiding cystourethrography	8
Ultrasound imaging for inguinal hernia: a pictorial review	7
Ultrasonographic differential diagnosis of medial elbow pain	7
A simplified approach to ovarian lesions based on the O-RADS US risk stratification and management system	7
Intra-individual comparison of two-dimensional shear wave elastography techniques using plane wave imaging and the multi-beam technique: are they interchangeable in measuring liver fibrosis?	6
Non-invasive evaluation of testicular torsion using ultrasound shear wave elastography: an experimental study	6
High-contrast spectroscopic photoacoustic characterization of thermal tissue ablation in the visible spectrum	6
Usefulness of 2D shear wave elastography for the evaluation of hepatic fibrosis and treatment response in patients with autoimmune hepatitis	6
Two-dimensional shear wave elastography (ElastQ) accurately rules out liver fibrosis and rules in advanced chronic liver disease across liver disease etiologies: a prospective multicenter study	6
Antenatal diagnosis of congenital heart disease by 3D ultrasonography using spatiotemporal image correlation with HDlive Flow and HDlive Flow silhouette rendering modes	6
Cutting-edge progress of intravascular ultrasound in lower-extremity vascular interventions	6
Urethral configuration and mobility during urine leaking described using real-time transperineal ultrasonography	6
The utility of two-dimensional shear wave elastography for predicting prostate cancer: a preliminary study	6
Knot-and-ear sign: a pathognomonic ultrasonographic feature of suture granuloma after thyroid surgery	6
Controlled attenuation parameter measured using transient elastography for the noninvasive assessment of macrovesicular steatosis in potential living liver donors	6
Advanced fibrosis leads to overestimation of steatosis with quantitative ultrasound in individuals without hepatic steatosis	6
Arterial stiffness in subclinical atherosclerosis quantified with ultrafast pulse wave velocity measurements: a comparison with a healthy population using propensity score matching	5
Inter-observer and intra-observer reliability between manual segmentation and semi-automated segmentation for carotid vessel wall volume measurements on three-dimensional ultrasonography	5
Percutaneous radiofrequency ablation of hepatocellular carcinoma in a recent cohort at a tertiary cancer center: incidence and factors associated with major complications and unexpected hospitalizatio	5
Comparison of micro-flow imaging and contrast-enhanced ultrasonography in assessing segmental congestion after right living donor liver transplantation	5
Risk of thyroid cancer in a lung cancer screening population of the National Lung Screening Trial according to the presence of incidental thyroid nodules detected on low-dose chest CT	5
Contrast-enhanced ultrasonography for the evaluation of malignant focal liver lesions	5
A problem-based approach in musculoskeletal ultrasonography: heel pain in adults	5

A preliminary study of shear-wave elastography for the evaluation of varicocele in adolescents and young adults	5
Ultrasonographic evaluation of patients with abnormal liver function tests in the emergency department	5
Early response evaluation of doxorubicin-nanoparticle-microbubble therapy in orthotopic hepatocellular carcinoma rat model using contrast-enhanced ultrasound and intravoxel incoherent motion-diffusion	5
Does transperineal ultrasound predict the risk of perineal trauma in women with term pregnancy? A prospective observational study	4
Pulmonary artery stiffness in fetuses with tetralogy of Fallot	4
Shaping the future of <italic>Ultrasonography</italic>: bimonthly publication and global growth	4
Ultrasonographic features of the skin and subcutis: correlations with the severity of breast cancer–related lymphedema	4
Elastography for the differential diagnosis of malignant versus benign testicular lesions: a meta-analysis	4
Noninvasive assessment of hepatic steatosis using a pathologic reference standard: comparison of CT, MRI, and US-based techniques	4
Prostate gland volume estimation: anteroposterior diameters measured on axial versus sagittal ultrasonography and magnetic resonance images	4
Combined fine-needle aspiration with core needle biopsy for assessing thyroid nodules: a more valuable diagnostic method?	4
Value of Doppler ultrasonography in predicting clinical outcomes for patients with acute cellular rejection after liver transplantation	4
Severity of hyperechoic pancreas on ultrasonography as a risk factor for glycemic progression	4
Erratum: Comprehensive ultrasonographic evaluation of normal and fibrotic kidneys in a mouse model with an ultra-highfrequency transducer	4
Evaluation of physical properties and image quality of a breast tissue phantom with glycerol-enhanced polyvinyl chloride plastisol for ultrasound imaging	4
Clinical applications of shear wave dispersion imaging for breast lesions: a pictorial essay	4
Posterior subependymal germinal matrix hemorrhage as a mild form of hemorrhage in extremely preterm infants: neurodevelopmental outcomes at corrected ages of 18-24 months	4
Artificial intelligence models for the diagnosis and management of liver diseases	4
Re: Additional treatment of recurrent or regrowing cystic thyroid nodules after ethanol ablation	4
Scale-attentional U-Net for the segmentation of the median nerve in ultrasound images	4
Combined use of shear-wave elastography and Doppler ultrasonography in equivocal fibroepithelial lesions of the breast diagnosed by core needle biopsy	4
Recognition and appreciation of our peer reviewers: honoring the 2024 best reviewer awards	4
Unexpected hyperechoic lesions of the breast and their correlations with pathology: a pictorial essay	4
Comparison of the diagnostic performance of the modified Korean Thyroid Imaging Reporting and Data System for thyroid malignancy with three international guidelines	4
Hemodynamics in Doppler ultrasonography	4
Comparison between vibration-controlled transient elastography and point shear wave elastography for assessment of hepatic fibrosis based on magnetic resonance elastography	4
Ultrasound findings of subpial hemorrhage in neonates	3
High-spatial-resolution, instantaneous passive cavitation imaging with temporal resolution in histotripsy: a simulation study	3
Speckle tracking ultrasonography as a new tool to assess diaphragmatic function: a feasibility study	3
Prevalence and characteristics of vagus nerve variations on neck ultrasonography	3
Contrast-enhanced ultrasound Liver Imaging Reporting and Data System category M: a systematic review and meta-analysis	3
Feasibility of a deep learning artificial intelligence model for the diagnosis of pediatric ileocolic intussusception with grayscale ultrasonography	3
Thrombus stiffness as an independent predictor of endovascular treatment success in hemodialysis fistulas: a study using ultrasound elastography	3
Quantifying carotid stiffness in a pre-hypertensive population with ultrafast ultrasound imaging	3
Overcoming the limitations of screening mammography in Japan and Korea: a paradigm shift to personalized breast cancer screening based on ultrasonography	3
Intra-individual comparison of liver stiffness measurements by magnetic resonance elastography and two-dimensional shear-wave elastography in 888 patients	3
Characterization of non-alcoholic fatty liver disease–related hepatocellular carcinoma on contrast-enhanced ultrasound with Sonazoid	3
Diagnostic performance of quantitative ultrasonography for hepatic steatosis in a health screening program: a prospective single-center study	3
Approach to the postnatal sonographic evaluation of prenatally detected abdominopelvic cysts	3
Do ACR TI-RADS scores demonstrate unique thyroid molecular profiles?	3
Role of Doppler US and elastography prior to biopsy to identify candidates for avoidance of surgery following neoadjuvant chemotherapy for breast cancer	3
Erratum: Noninvasive assessment of hepatic steatosis using a pathologic reference standard: comparison of CT, MRI, and US-based techniques	3
Diagnostic performance of ultrasound risk stratification systems on thyroid nodules cytologically classified as indeterminate: a systematic review and meta-analysis	3
Subcategorization of intermediate suspicion thyroid nodules based on suspicious ultrasonographic findings	3
The new definition of metabolic dysfunction-associated steatotic liver disease: the role of ultrasound and elastography	3
Toward acquisition protocol standardization for estimating liver fat content using ultrasound attenuation coefficient imaging	3
Washout-parametric imaging with Sonazoid for enhanced differentiation of focal liver lesions	3
Foot pain in children and adolescents: a problem-based approach in musculoskeletal ultrasonography	3