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Metastatic lymph node calcification in rectal cancer: comparison of CT and high-resolution MRI

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2021; 39 (7)

Calcification causes mixed signal intensity in the lymph node (LN) on high-resolution magnetic resonance imaging (MRI), which is a strong indicator of......

Pulmonary artery trunk enlargement on admission as a predictor of mortality in in-hospital patients with COVID-19

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2021; 39 (6)

Purpose To describe the prognostic value of pulmonary artery (PA) trunk enlargement on the admission of in-hospital patients with severe COVID-19 infe......

Investigation of MRI-based radiomics model in differentiation between sinonasal primary lymphomas and squamous cell carcinomas

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2021; 39 (8)

Purpose To develop and validate an MRI-based radiomics model in differentiation between sinonasal primary lymphomas and squamous cell carcinomas (SCCs......

The correlation between hepatic fat fraction evaluated by dual-energy computed tomography and high-risk coronary plaques in patients with non-alcoholic fatty liver disease

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2021; 39 (8)

Purpose To determine the relationship between non-alcoholic fatty liver disease (NAFLD) evaluated by a hepatic fat fraction (HFF) using dual-energy co......

Hypothalamic lesions in neuromyelitis optica spectrum disorders: exploring a scoring system based on magnetic resonance imaging

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2021; 39 (7)

Purpose We propose a scoring system for early diagnosis of sleep abnormalities in neuromyelitis optica spectrum disorders (NMOSD) with hypothalamic le......

Convolutional neural network in nasopharyngeal carcinoma: how good is automatic delineation for primary tumor on a non-contrast-enhanced fat-suppressed T2-weighted MRI?

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2021; 39 (6)

Purpose Convolutional neural networks (CNNs) show potential for delineating cancers on contrast-enhanced MRI (ce-MRI) but there are clinical scenarios......

MRI of the intraorbital ocular motor nerves on three-dimensional double-echo steady state with water excitation sequence at 3.0 T

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2021; 39 (8)

Purpose To explore the capability of three-dimensional double-echo steady state with water excitation sequence (3D-DESS-WE) to determine the intraorbi......

Dual-layer detector spectral CT versus magnetic resonance imaging for the assessment of iron overload in myelodysplastic syndromes and aplastic anemia

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2020; 38 (4)

Background The purpose of this study is to investigate the performance of dual-layer detector spectral CT for iron deposition compared to magnetic res......

Analysis of CT characteristics in the diagnosis of Schistosoma japonicum associated appendicitis with clinical and pathological correlation: a diagnostic accuracy study

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2020; 38 (2)

Purpose To clarify unique non-contrast CT (NCCT) characteristics for early recognition of Schistosomal associated appendicitis (SAA) differentiating f......

Chest CT screening in patients with overweight or obesity using spectral shaping at 150 kVp: compared with 120 kVp protocol and spectral shaping at 100 kVp protocol

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2020; 38 (5)

Purpose To evaluate the image quality (IQ) and the figure of merit (FoM) of chest CT screening in patients with overweight or obesity using a tin filt......

A combined DTI and resting state functional MRI study in patients with postherpetic neuralgia

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2020; 38 (5)

Purpose To explore the brain microstructural and functional changes in patients with postherpetic neuralgia (PHN). Materials and methods 12 PHN patien......

A quantitative and clinical evaluation of nerve roots in lumbosacral radiculopathy using diffusion tensor imaging

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2020; 38 (3)

Purpose This study aimed to investigate the relationship between the fractional anisotropy (FA) values of compressed nerves derived in diffusion tenso......

Diagnostic significance of multidetector computed tomography (MDCT) in patients with small bowel obstruction: a meta-analysis

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2020; 38 (5)

Purpose To assess the diagnostic value of multidetector computed tomography (MDCT) in small bowel obstruction (SBO) patients. Methods Relevant literat......

CT image of novel coronavirus pneumonia: a case report

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2020; 38 (5)

Objective Knowledge of CT characteristics of COVID-19 pneumonia might be helpful to the early diagnosis and treatment of patients, and to control the ......

Effects of epicardial adipose tissue volume and density on cardiac structure and function in patients free of coronary artery disease

期刊: JAPANESE JOURNAL OF RADIOLOGY, 2020; 38 (7)

Purpose To determine the association of epicardial adipose tissue (EAT) volume and density with cardiac geometry and function. Methods We included 178......

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