A case of umbilical cord angiomyxoma with massive arteriovenous shunts diagnosed with HDlive Flow
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - November 10, 2020 Category: Radiology Source Type: research

On the occasion of publication of the feature on diagnosis and assessment of nonalcoholic fatty liver disease/nonalcoholic steatohepatitis using ultrasound elastography
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - November 3, 2020 Category: Radiology Source Type: research

Histopathological findings of nonalcoholic fatty liver disease and nonalcoholic steatohepatitis
We describe the main histological features of NAFLD, i.e., steatosis, inflammation, ballooning hepatocytes, Mallory-Denk bodies, and fibrosis, as well as the evolutional process to liver cirrhosis. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - November 2, 2020 Category: Radiology Source Type: research

Magnetic resonance imaging for the assessment of pathological hepatic findings in nonalcoholic fatty liver disease
AbstractThe prevalence of nonalcoholic fatty liver disease (NAFLD) is expected to increase because of the current epidemics of obesity and diabetes, and NAFLD has become a major cause of chronic liver disease worldwide. Liver fibrosis is associated with poor long-term outcomes in patients with NAFLD. Additionally, increased mortality and liver-related complications are primarily seen in patients with nonalcoholic steatohepatitis (NASH); however, nonalcoholic fatty liver (NAFL) is believed to be benign and non-progressive. Therefore, distinguishing between NASH and NAFL is clinically important. Liver biopsy is the gold stan...
Source: Journal of Medical Ultrasonics - October 27, 2020 Category: Radiology Source Type: research

Nonalcoholic fatty liver disease and nonalcoholic steatohepatitis: new trends and role of ultrasonography
In conclusion, NAFLD is at a turning point in terms of its conceptualization, terminology, and diagnostics. It is now time to reconfirm the role of ultrasonography for the assessment of NAFLD. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - October 21, 2020 Category: Radiology Source Type: research

A growing left ventricular aneurysm after myocardial infarction: pathological confirmation of subepicardial aneurysm
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - October 20, 2020 Category: Radiology Source Type: research

Reliability of shoulder muscle stiffness measurement using strain ultrasound elastography and an acoustic coupler
The objective of this study was to evaluate intratester and intertester reliabilities in measuring the stiffness of the shoulder muscles using strain ultrasound elastography (USE) and an acoustic coupler.MethodTissue stiffness was measured in the trapezius muscle and in the supraspinatus muscle of healthy young volunteers.ResultsThe mean strain ratios measured by two experienced shoulder surgeons were significantly higher in the trapezius muscle than in the supraspinatus muscle (P 
Source: Journal of Medical Ultrasonics - October 14, 2020 Category: Radiology Source Type: research

Acknowlegment to reviewers
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - October 1, 2020 Category: Radiology Source Type: research

Feature articles in the Journal of Medical Ultrasonics
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - October 1, 2020 Category: Radiology Source Type: research

How do we keep our passion for research during the COVID-19 pandemic?
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - October 1, 2020 Category: Radiology Source Type: research

A case of rapid progression of a cardiac tumor originating from the coronary sinus observed by transthoracic echocardiography
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - September 28, 2020 Category: Radiology Source Type: research

Evaluation of background parenchymal enhancement in breast contrast-enhanced ultrasound with Sonazoid ®
ConclusionThe degree of BPE on CEUS appeared related to age, menstruating or menopausal, and atrophy of breast tissue. BPE on CEUS was the same between those with a malignant tumor and those with a benign tumor in each menstrual status. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - September 27, 2020 Category: Radiology Source Type: research

Mycotic coronary artery aneurysm causing chest pain detected by transthoracic echocardiography: a potential blind spot of routine screening in parasternal short axis view
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - September 27, 2020 Category: Radiology Source Type: research

Sonographic findings of cervical laceration caused by vaginal delivery in pregnancy after radical trachelectomy
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - September 25, 2020 Category: Radiology Source Type: research

Discrimination of well-differentiated liposarcoma from benign lipoma on sonography: an uncontrolled retrospective study
AbstractPurposeWell-differentiated liposarcoma, the most common subtype of liposarcoma, should be discriminated from benign lipoma. However, features on sonography for discriminating these two types of tumor have not been fully investigated. The present study was therefore aimed at clarifying differences in sonographic findings between well-differentiated liposarcoma and lipoma.MethodsThe study population comprised 23 cases of well-differentiated liposarcoma and 181 cases of lipoma. We investigated differences in sonographic appearance and pathological findings between the two types of tumor.ResultsWell-differentiated lipo...
Source: Journal of Medical Ultrasonics - September 21, 2020 Category: Radiology Source Type: research

Evaluation of echocardiographic parameters in Japanese patients aged  over 90 years at a single institution
AbstractPurposeThe number of patients aged  over 90 years undergoing transthoracic echocardiography (TTE) has increased. Normal echocardiographic measurement values in healthy Japanese aged 20–79 years have been reported by Daimon et al., and in those aged 10–89 years by Okura et al. To date, no researchers have published normal v alues in healthy Japanese aged  over 90 years. To understand the echocardiographic characteristics and establish the normal range, we evaluated patients aged  over 90 years who had preserved left ventricular (LV) eject...
Source: Journal of Medical Ultrasonics - August 26, 2020 Category: Radiology Source Type: research

The diaphragm affects echocardiographic measurement of inferior vena cava diameter to predict right atrial pressure
AbstractPurposeIt is recommended in current guidelines that the inferior vena cava (IVC) diameter should be measured at 1.0 –2.0 cm from the junction with the right atrium. However, right atrial pressure (RAP) is underestimated in some patients who have a small IVC diameter (IVCD) because of a high-echo structure compressing the IVC from the back at that portion. The aim of this study was to identify the structure beh ind the IVC and to evaluate its influence on RAP.MethodsWe retrospectively studied 116 patients who underwent right-heart catheterization. We reviewed computed tomography (CT) scans and analyzed th...
Source: Journal of Medical Ultrasonics - August 26, 2020 Category: Radiology Source Type: research

A case of subvalvular pulmonary stenosis differentiated from a double-chambered right ventricle by transesophageal echocardiography: importance of detecting the pulmonary valve
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - August 26, 2020 Category: Radiology Source Type: research

Regional heterogeneity of afterload sensitivity in myocardial strain
AbstractPurposeThe peak systolic strain decreases due to afterload augmentation. However, its deterioration (i.e., afterload sensitivity) may be different within the left ventricular (LV) segments. We investigated how afterload influences regional strain and whether there is regional heterogeneity of afterload sensitivity.MethodsAfterload was increased by aortic banding in 20 open-chest dogs. Short-axis images were acquired at baseline and during banding. Circumferential strain was analyzed in six segments, and the absolute decrease in the peak systolic strain during banding ( Δε) was calculated for each segm...
Source: Journal of Medical Ultrasonics - August 7, 2020 Category: Radiology Source Type: research

A case of hemolysis after mitral valve repair: evaluation of hydrodynamic patterns by three-dimensional transesophageal echocardiography
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - August 7, 2020 Category: Radiology Source Type: research

Preliminary study on the separation of specular reflection and backscattering components using synthetic aperture beamforming
ConclusionA new technique for separation of the reflection and backscattering components using synthetic aperture beamforming with a transmit beam featuring a large focal distance was proposed. The technique demonstrated a partial separation of the reflection and backscattering components, which potentially may be used to estimate surface roughness. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - August 3, 2020 Category: Radiology Source Type: research

Advances in ultrasound elastography for nonalcoholic fatty liver disease
AbstractThe prevalence of nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH) has increased rapidly worldwide, making NAFLD/NASH an important global health problem from both a medical and socioeconomic standpoint. NAFLD is also regarded as a liver component of metabolic syndrome and is reported to be associated with the risk factors for metabolic syndrome. It has been suggested that NAFLD/NASH be recognized both as a liver-specific disease and as an early mediator of systemic diseases. Liver biopsy is recommended as the gold standard method for the diagnosis of NASH and for the staging of liver...
Source: Journal of Medical Ultrasonics - August 2, 2020 Category: Radiology Source Type: research

Ultrasonographic assessment of fetal thyroid in Japan: thyroid circumference and distal femoral and proximal tibial ossification
ConclusionWe generated a GA-dependent FTC nomogram for Japanese fetuses. We also confirmed the appearance timing of fetal distal femoral and proximal tibial ossification to assess bone maturation. These assessments may be very useful for evaluating fetal thyroid function in Japan. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - July 30, 2020 Category: Radiology Source Type: research

Flickering sign on superb microvascular imaging in patients with infantile hypertrophic pyloric stenosis
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - July 29, 2020 Category: Radiology Source Type: research

A new index of ultrasonography for estimating cerebral circulation in newborn infants
AbstractPurposeTo quantitatively estimate the influence of ductal shunt on cerebral blood flow and establish a new index of ultrasonography for estimating cerebral circulation without the influence of ductal shunt in newborn infants.MethodsWe retrospectively examined the records of anterior cerebral artery (ACA) and left pulmonary artery (LPA) blood flow velocity curves recorded by pulsed Doppler ultrasonography within 6  h after birth in 123 newborn infants without asphyxia (normal group) and in 31 newborn infants with asphyxia (asphyxia group).ResultsIn the normal group, the resistance index (RI) of the ACA showed a...
Source: Journal of Medical Ultrasonics - July 27, 2020 Category: Radiology Source Type: research

The utility of shear wave elastography in the evaluation of muscle stiffness in patients with cerebral palsy after botulinum toxin A injection
AbstractPurposeThe first aim of this study was to evaluate changes in the stiffness of the medial gastrocnemius muscle (GM) after a botulinum toxin A (BoNT-A) injection in children with cerebral palsy (CP) using shear wave elastography (SWE). We also wanted to investigate the usability of SWE for evaluating spasticity in a clinical setting. The second aim of this study was to show how treatment of the gastrocnemius muscle spasticity caused a change in the elasticity of the anterior tibial (TA) muscle.MethodsTwenty-four pediatric patients diagnosed with a spastic type of CP, who were scheduled to receive a BoNT-A injection ...
Source: Journal of Medical Ultrasonics - July 23, 2020 Category: Radiology Source Type: research

Normative values of pancreas stiffness by shear wave elastography in healthy children and adolescents
ConclusionNormal elasticity and velocity values were defined for the pancreas with SWE in children. Pancreatic stiffness does not significantly change among pancreas parts, but it increases with the transition from childhood to adolescence. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - July 15, 2020 Category: Radiology Source Type: research

Role of endoscopic ultrasound for gallbladder disease
AbstractEndoscopic ultrasonography (EUS) has excellent spatial resolution and allows more detailed examination than abdominal ultrasonography (US) in terms of qualitative diagnosis of tumors and evaluation of tumor invasion depth. To understand the role of EUS in gallbladder disease, we need to understand the normal gallbladder wall structure and how to visualize it on EUS. In addition, gallbladder lesions can be classified into two broad categories: protuberant and wall-thickening lesions. Here, the features on EUS were outlined. We also outlined the current status of EUS-FNA for gallbladder lesions as there have been sca...
Source: Journal of Medical Ultrasonics - July 12, 2020 Category: Radiology Source Type: research

Contrast-enhanced ultrasound as noninvasive diagnostic images that anyone can easily understand
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - June 30, 2020 Category: Radiology Source Type: research

Ultrasonographic diagnosis of pancreatic diseases: this is all you need
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - June 30, 2020 Category: Radiology Source Type: research

Correction to: Intervendor variability of carotid intima –media thickness measurement: validation study using newly developed ultrasound phantom
In the Original publication of the article Table 3 was published incorrectly. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - June 30, 2020 Category: Radiology Source Type: research

What is the role of measuring shear wave dispersion using shear wave elastography in pancreatic parenchyma?
The objective of this study was to investigate the reliability and clinical significance of SWD in pancreatic screening.MethodsSWE and SWD were measured in 76 patients examined by US in pancreatic screenings performed between November 2017 and November 2018. The median pancreatic elastic modulus (PEM) and dispersion slope were obtained from at least five measurements. The reproducibility of these values and their correlations with patient characteristics, pancreatic echogenicity, and the pancreas-to-spleen attenuation ratio (P/S) on plain CT, which is associated with fatty change in pancreatic parenchyma, were investigated...
Source: Journal of Medical Ultrasonics - June 28, 2020 Category: Radiology Source Type: research

A case of coronary artery fistula with multiple coronary artery aneurysms diagnosed by transthoracic echocardiography
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - June 22, 2020 Category: Radiology Source Type: research

Comparison of sonographic findings between pediatric patients with mediastinitis and without mediastinitis after cardiovascular surgery
ConclusionAlthough our cohort was small, none of the patients without increased parasternal fat echogenicity or mediastinal fluid collection was diagnosed with mediastinitis. These sonographic findings may help identify the possible presence of mediastinitis. Ultrasound may be the modality of first choice to evaluate pediatric patients for mediastinitis after cardiovascular surgery. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - June 12, 2020 Category: Radiology Source Type: research

Correction to: Application of shear wave elastography and B-mode ultrasound in patellar tendinopathy after extracorporeal shockwave therapy
In the original publication of the article the Fig.  1 has been removed, as the authors did not obtain the appropriate permission from the rights holder to use the image in this article. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - June 10, 2020 Category: Radiology Source Type: research

The role of ultrasound imaging in operative treatment for a rare case of inferior vena cava tumor
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - May 26, 2020 Category: Radiology Source Type: research

Present status of ultrasound elastography for the diagnosis of pancreatic tumors: review of the literature
In conclusion, there are many types of elastographies and evaluation methods, and the diagnostic ability for pancreatic tumors is high for each evaluation method. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - May 21, 2020 Category: Radiology Source Type: research

Persistent left superior vena cava with absent right superior vena cava
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - May 15, 2020 Category: Radiology Source Type: research

The influence of esophagogastroduodenoscopy using carbon dioxide insufflation on abdominal ultrasonographic imaging efficiency
ConclusionThere was no difficulty in performing abdominal ultrasonography at 30  min or later following EGD with CO2 insufflation. Additionally, visualization of the head, body, and tail of the pancreas as well as the extrahepatic bile duct was improved in some patients. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - May 11, 2020 Category: Radiology Source Type: research

Hereditary hemorrhagic telangiectasia: how to efficiently detect hepatic abnormalities using ultrasonography
ConclusionHepatic US serves to diagnose the detailed complex hepatic changes typical of HHT, and contributes to increased diagnostic confidence of hepatic changes in HHT patients, with the most simple way not to overlook HHT-related abnormalities being to find hepatic artery dilatation. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - May 9, 2020 Category: Radiology Source Type: research

Spontaneous mitral valve perforation associated with mitral annular calcification-related calcified amorphous tumor assessed by three-dimensional transesophageal echocardiography
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - April 30, 2020 Category: Radiology Source Type: research

B-mode ultrasonographic diagnosis in gallbladder wall thickening
AbstractDiseases associated with gallbladder wall thickening include benign entities such as adenomyomatosis of the gallbladder, acute and chronic cholecystitis, and hyperplasia associated with pancreaticobiliary maljunction, and also cancer. Unique conditions such as sclerosing cholecystitis and cholecystitis associated with immune checkpoint inhibitor treatment can also manifest as wall thickening, as in some systemic inflammatory conditions. Gallbladder cancer, the most serious disease that can show wall thickening, can be difficult to diagnose early and to distinguish from benign causes of wall thickening, contributing...
Source: Journal of Medical Ultrasonics - April 23, 2020 Category: Radiology Source Type: research

Telediagnosis system for congenital heart disease in a Japanese prefecture
ConclusionOur telediagnosis system contributed to the prenatal diagnosis of CHD and management of pregnancies in patients who were geographically remote from a tertiary hospital. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - April 22, 2020 Category: Radiology Source Type: research

Key factors of diastolic dysfunction and abnormal left ventricular relaxation in diabetic rats
ConclusionsBecause of the noninvasive nature of CDMM, IVPD and other conventional echocardiographic parameters can be used as reliable indicators generally for evaluating cardiac function and particularly the change in intraventricular pressure. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - April 17, 2020 Category: Radiology Source Type: research

Incremental diagnostic value of shear wave elastography combined with contrast-enhanced ultrasound in TI-RADS category 4a and 4b nodules
AbstractPurposeTo evaluate the diagnostic value of shear wave elastography (SWE) combined with contrast-enhanced ultrasonography (CEUS) in diagnosing thyroid imaging reporting and data system (TI-RADS) category 4a and 4b nodules.MethodsTI-RADS, SWE, and CEUS features of 71 thyroid nodules (23 benign, 48 malignant) confirmed by postoperative pathological results were retrospectively analyzed. The diagnostic efficiency of each single method and that of a combination of three methods were compared.ResultsThe sensitivity and specificity in diagnosing thyroid nodules were 70.83% and 65.22% for TI-RADS, 68.75% and 91.30% for SWE...
Source: Journal of Medical Ultrasonics - April 17, 2020 Category: Radiology Source Type: research

Endoscopic ultrasound-guided radiofrequency ablation of porcine liver
ConclusionWe performed EUS-RFA in pigs and concluded that it may be feasible to perform RFA of lesions near the stomach. (Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - April 15, 2020 Category: Radiology Source Type: research

Congenital uni-leaflet mitral valve with atrial septal defect and partial anomalous pulmonary venous drainage
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - April 9, 2020 Category: Radiology Source Type: research

Compromises between sonographer and doctor in ultrasound examination assessment and report generation for the sake of better team medicine
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - March 31, 2020 Category: Radiology Source Type: research

On the occasion of publication of the feature on differential diagnosis and treatment of hepatocellular carcinoma: the role of ultrasound
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - March 31, 2020 Category: Radiology Source Type: research