Correction to: Lung cancer screening by single-shot dual-energy subtraction using flat-panel detector
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 30, 2021 Category: Radiology Source Type: research

Differentiation of adenocarcinoma in situ with alveolar collapse from minimally invasive adenocarcinoma or invasive adenocarcinoma appearing as part-solid ground-glass nodules ( ≤ 2 cm) using computed tomography
AbstractPurposeTo investigate the differentiating computed tomographic (CT) features between adenocarcinoma in situ (AIS) with alveolar collapse and minimally invasive adenocarcinoma (MIA) or invasive adenocarcinoma (IA) appearing as part-solid nodules.MethodsA total of 147 consecutive patients with 157 pathology-confirmed part-solid ground-glass nodules (GGNs)  ≤ 20 mm without other pathological condition such as inflammation and fibrosis who underwent chest CT were included.ResultsThe 157 part-solid GGNs included 33 (21.02%) pathologically confirmed AISs with alveolar collapse. Multivariate analysis...
Source: Japanese Journal of Radiology - July 28, 2021 Category: Radiology Source Type: research

A novel strategy to develop deep learning for image  super-resolution using original ultra-high-resolution computed tomography images of lung as training dataset
AbstractPurposeTo improve the image quality of inflated fixed cadaveric human lungs by utilizing ultra-high-resolution computed tomography (U-HRCT) as a training dataset for super-resolution processing using deep learning (SR-DL).Materials and methodsImage data of nine cadaveric human lungs were acquired using U-HRCT. Three different matrix images of U-HRCT images were obtained with two acquisition modes: normal mode (512-matrix image) and super-high-resolution mode (1024- and 2048-matrix image). SR-DL used 512- and 1024-matrix images as training data for deep learning. The virtual 2048-matrix images were acquired by apply...
Source: Japanese Journal of Radiology - July 28, 2021 Category: Radiology Source Type: research

Effect of energy level on the spatial resolution and noise frequency characteristics of virtual monochromatic images: a phantom experiment using four types of CT scanners
ConclusionThe spatial resolution and noise frequency characteristics of VMIs may be affected by the energy level, and the effects of energy level on these characteristics differ depending on the type of CT scanners. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 25, 2021 Category: Radiology Source Type: research

Mimicking conditions of intestinal Crohn ’s disease: magnetic resonance enterography findings
AbstractCrohn ’s disease is a chronic inflammatory condition characterized by a transmural involvement of intestinal walls. Its diagnosis comes from a combination of clinical data, imaging findings and, above all, endoscopy with biopsy results, which are mandatory for achieving a definitive diagnosis. Even so, endoscopy information may be unavailable, for instance due to technical impairments or patient intolerance. On the radiological side, Magnetic Resonance Enterography is currently considered the imaging technique of choice for Crohn’s disease assessment, either at first diagnosis or follow-up. Neve rtheles...
Source: Japanese Journal of Radiology - July 25, 2021 Category: Radiology Source Type: research

Performance of quantitative CT texture analysis in differentiation of gastric tumors
ConclusionsCT texture analysis is a non-invasive promising method for classifying gastric tumors and predicting gastric adenocarcinoma differentiation. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 25, 2021 Category: Radiology Source Type: research

Role of CT colonography in differentiating sigmoid cancer from chronic diverticular disease
AbstractPurposeTo evaluate the accuracy of computed tomography colonography (CTC) in differentiating chronic diverticular disease from colorectal cancer (CRC), using morphological and textural parameters.Materials and methodsWe included 95 consecutive patients with histologically proven chronic diverticular disease (n = 53) or CRC (n = 42) who underwent CTC. One radiologist, unaware of histological findings, evaluated CTC studies for the presence of potential discriminators including: maximum thickness, involved segment length, shouldering phenomenon, growth pattern, diverticula, fascia thickeni...
Source: Japanese Journal of Radiology - July 23, 2021 Category: Radiology Source Type: research

Reply of “Indication of perfusion contrast-enhanced ultrasound for diagnosing lymph nodes”
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 23, 2021 Category: Radiology Source Type: research

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, PERCIST, and imPERCIST
AbstractObjectiveIn malignant melanoma patients treated with immune checkpoint inhibitor (ICI) therapy, three different FDG-PET criteria, European Organization for Research and Treatment of Cancer (EORTC), PET Response Criteria in Solid Tumors (PERCIST), immunotherapy-modified PERCIST (imPERCIST), were compared regarding response evaluation and prognosis prediction using standardized uptake value (SUV) harmonization of results obtained with various PET/CT scanners installed at different centers.Materials and methodsMalignant melanoma patients (n = 27) underwent FDG-PET/CT examinations before and again 3 to 9&...
Source: Japanese Journal of Radiology - July 21, 2021 Category: Radiology Source Type: research

Reply to the Letter to the Editor: Quantitative evaluation of COVID-19 pneumonia severity by CT pneumonia analysis algorithm using deep learning technology and blood test results
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 21, 2021 Category: Radiology Source Type: research

Laparoscopic ultrasonography-guided cryoablation of locally advanced pancreatic cancer: a preliminary report
AbstractObjectiveTo evaluate safety and feasibility of laparoscopic ultrasonography (LUS)-guided cryoablation of locally advanced pancreatic cancer (LAPC).Patients and methodsFrom April 2018 to December 2018, ten patients (five women, five men; mean age 58.2  ± 9.4 years) with LAPC underwent the operation. LUS was used to guide the cryoablation. Computed tomography (CT) imaging, biochemical analysis and pain score analysis by numeric rating scale (NRS) were used to assess treatment outcomes at 1 week and 3 months after the operation.ResultsCryoablation was performed by the operation in a...
Source: Japanese Journal of Radiology - July 19, 2021 Category: Radiology Source Type: research

Anterior epidural carbon dioxide dissection during spine cryoablation
ConclusionCO2 dissection of the anterior epidural space was successful in all 3 procedures allowing complete treatment on all post-ablation MRI. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 19, 2021 Category: Radiology Source Type: research

Clinical and prognostic 18F-FDG PET/CT role in recurrent vulvar cancer: a multicentric experience
AbstractPurposeThe aim of this retrospective multicentric study was to investigate the diagnostic performance, the prognostic value and the impact of18F-FDG PET/CT on treatment decision-making in patients with suspected recurrent vulvar cancer (VC).Materials and methodsSixty-three patients affected by VC performed18F-FDG-PET/CT for restaging purposes in case of suspected clinical and/or radiological recurrence. Histopatology results if available and/or clinical-imaging follow-up for at least 12  months were considered as reference standard. The diagnostic accuracy and the clinical impact of18F-FDG PET/CT were investig...
Source: Japanese Journal of Radiology - July 17, 2021 Category: Radiology Source Type: research

Letter to the Editor concerning: pulmonary artery trunk enlargement on admission as a predictor of mortality in in-hospital patients with COVID-19
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 15, 2021 Category: Radiology Source Type: research

Assessment of the sequential time –signal enhancement curve of dynamic contrast-enhanced MRI might be effective in diagnosing growth hormone-producing pituitary adenomas
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 12, 2021 Category: Radiology Source Type: research

Linac-based STereotactic Arrhythmia Radioablation (STAR) for ventricular tachycardia: a treatment planning study
ConclusionLinac-based STAR is safe and efficient in terms of BDT and MUs. To ensure high dose to PTV, different dose prescription modalities should be evaluated. The 10FFF approach was the faster but not suitable in patient with cardiac implantable electronic devices. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 9, 2021 Category: Radiology Source Type: research

Assessment of squamous cell carcinoma of the floor of the mouth with magnetic resonance imaging
AbstractPurposeWe aimed to use magnetic resonance imaging (MRI) to determine the relationship between the pathological depth of invasion (DOI), undetectability, and tumor thickness of squamous cell carcinoma of the floor of the mouth.Materials and methodsWe retrospectively evaluated the relationship between pathological DOI and MRI detectability, as well as the relationship between pathological DOI and tumor thickness on coronal fat-suppressed contrast-enhanced T1-weighted imaging or coronal T2-weighted imaging.ResultsWe analyzed 30 patients with squamous cell carcinoma of the floor of the mouth; MRI revealed that the path...
Source: Japanese Journal of Radiology - July 7, 2021 Category: Radiology Source Type: research

Image-guided percutaneous cryoablation of T1b renal cell carcinomas in patients with comorbidities
ConclusionPCA for T1b RCC confers positive local tumor control regardless of comorbidities and tumor characteristics. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 6, 2021 Category: Radiology Source Type: research

Letter to the Editor: Quantitative evaluation of COVID-19 pneumonia severity by CT pneumonia analysis algorithm using deep learning technology and blood test results
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 5, 2021 Category: Radiology Source Type: research

Computed tomography imaging of resuscitative endovascular balloon occlusion of the aorta (REBOA): pearls and pitfalls
We present a pictorial review of the radiological findings of REBOA along with a description of the procedure, its complications, and pitfalls. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 3, 2021 Category: Radiology Source Type: research

Analysis of  predictive and preventive factors for access complications associated with vascular closure devices in complicated endovascular procedures
ConclusionContrary to published reports, our study showed that demographic and periprocedural factors may not be responsible for the vascular access-site complications associated with VCDs. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - July 3, 2021 Category: Radiology Source Type: research

Comparison of three freeware software packages for 18F-FDG PET texture feature calculation
AbstractPurposeTo compare texture feature estimates obtained from18F-FDG-PET images using three different software packages.MethodsPET images from 15 patients with head and neck cancer were processed with three different freeware software: CGITA, LIFEx, and Metavol. For each lesion, 38 texture features were extracted from each software package. To evaluate the statistical agreement among the features across packages a non-parametric Kruskal –Wallis test was used. Differences in the features between each couple of software were assessed using a subsequent Dunn test. Correlation between texture features was evaluated v...
Source: Japanese Journal of Radiology - July 1, 2021 Category: Radiology Source Type: research

A three-dimensional measurement method on MR arthrography of the hip to classify femoro-acetabular impingement
AbstractPurpose(1) To investigate correlations between different types of FAI and the ratio of acetabular volume (AV) to femoral head volume (FV) on MR arthrography. (2) To assess 2D/3D measurements in identifying different types of FAI by means of cut-off values of AV/FV ratio (AFR).Materials and methodsAlpha angle, cranial acetabular version, acetabular depth, lateral center edge angle, AV, and FV of 52 hip MR arthrography were measured. ANOVA test correlated different types of FAI with AFR. ROC curves classified FAI by cut-off values of AFR. Accuracy of 2D/3D measurements was calculated.ResultsANOVA test showed a signif...
Source: Japanese Journal of Radiology - June 28, 2021 Category: Radiology Source Type: research

Coronary artery changes in congenital coronary-cameral fistulas evaluated by computed tomographic angiography
ConclusionsLarge coronary aneurysm is common in cCCF. No characteristic feature of the fistula influencing coronary artery aneurysm is identified. There is a diminution in coronary arteryZ score after fistula closure. Coronary thrombosis is a major complication after treatment. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 28, 2021 Category: Radiology Source Type: research

Lung cancer screening by single-shot dual-energy subtraction using flat-panel detector
AbstractPurposeThe purpose of this study was to evaluate the usefulness of single-shot dual-energy subtraction (DES) method using a flat-panel detector for lung cancer screeningMaterials and methodsThe subjects were 13,315 residents (5801 males and 7514 females) aged 50  years or older (50–97 years, with an intermediate value of 68 years) who underwent lung cancer screening for a period of 1 year and 6 months from January 2019 to June 2020. We investigated whether the number of lung cancers detected, the detection rate, and the rate of required scrutiny chan ged, when DES images were added to...
Source: Japanese Journal of Radiology - June 26, 2021 Category: Radiology Source Type: research

Risk factor for vital signs elevation during percutaneous microwave ablation of liver tumor under deep sedation
AbstractPurposeTo evaluate the frequency and the degree of vital signs elevation, as well as to elucidate the risk factors for elevation of cardiopulmonary parameters.Materials and methodsWe retrospectively evaluated the medical records of 101 patients who received microwave ablation (MWA) under deep sedation with propofol. Univariate analysis followed by multivariate linear regression analysis was performed to determine the risk factors associated with the elevation of cardiopulmonary parameters.ResultsThe heart rate (HR), mean blood pressure (BP) and respiratory rate (RR) were elevated in 53.5%, 45.5% and 30.7%. Hyperhem...
Source: Japanese Journal of Radiology - June 26, 2021 Category: Radiology Source Type: research

Can PET/CT be used more effectively in pleural effusion evaluation?
ConclusionPatients who have contraindications for invasive diagnostic methods, and meet the aforementioned criteria may be considered as MPE primarily. On the other hand, if PE SUVmax 
Source: Japanese Journal of Radiology - June 24, 2021 Category: Radiology Source Type: research

Is barium enema examination negligible for the management of colorectal cancer? Comparison with conventional colonoscopy and magnifying colonoscopy
AbstractPurposeThe aim of this investigation was to evaluate the clinical value of barium enema (BE) examination for the management of colorectal epithelial neoplasms.MethodsWe reviewed the colonoscopy records at our institution from 2014 to 2019 and identified cases of endoscopically or surgically resected colorectal epithelial neoplasms evaluated by BE, conventional colonoscopy, magnifying narrow-band imaging colonoscopy (M-NBI), and magnifying chromoendoscopy (MCE). The yield of each modality for the diagnosis of massively submucosal invasive (mSM) colorectal cancer was evaluated by a receiver-operating characteristic a...
Source: Japanese Journal of Radiology - June 24, 2021 Category: Radiology Source Type: research

Indication of perfusion contrast-enhanced ultrasound for diagnosing lymph nodes
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 22, 2021 Category: Radiology Source Type: research

Effect of white matter hyperintensity on dopamine transporter availability of striatum measured by F-18 FP-CIT PET
AbstractPurposeWe aimed to evaluate the white matter hyperintensity (WMH) effect on dopamine transporter availability (DAT) of striatum.Materials and methodsA total of 48 patients who showed visually normal F-18 FP-CIT uptake were included in this study. Each FP-CIT image were pre-processed using SPM12. Co-registration and spatial normalization of FP-CIT image conducted using T1-weighted magnetic resonance imaging (MRI). And then smoothing of normalized FP-CIT image was performed. Intensity normalization was performed using cerebellum as a reference region. With pre-defined volume of interest template, the specific binding...
Source: Japanese Journal of Radiology - June 17, 2021 Category: Radiology Source Type: research

CT classification of acute myeloid leukemia with pulmonary infiltration
ConclusionThis classification can contribute in accurate non-invasive diagnosis and possibly in the estimation of prognosis. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 17, 2021 Category: Radiology Source Type: research

MRI imaging features of HIV-related central nervous system diseases: diagnosis by pattern recognition in daily practice
AbstractWith the advent of antiretroviral therapy (ART), the prognosis of people infected with human immunodeficiency virus (HIV) has improved, and the frequency of HIV-related central nervous system (CNS) diseases has decreased. Nevertheless, mortality from HIV-related CNS diseases, including those associated with ART (e.g., immune reconstitution inflammatory syndrome) remains significant. Magnetic resonance imaging (MRI) can improve the outlook for people with HIV through early diagnosis and prompt treatment. For example, HIV encephalopathy shows a diffuse bilateral pattern, whereas progressive multifocal leukoencephalop...
Source: Japanese Journal of Radiology - June 14, 2021 Category: Radiology Source Type: research

Diffusion tensor imaging of renal cortex in lupus nephritis
ConclusionMD and FA of renal cortex may help to assess renal affection in LN patients and predict its pathological subtypes. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 14, 2021 Category: Radiology Source Type: research

Performance changes due to differences in training data for cerebral aneurysm detection in head MR angiography images
ConclusionThe training of cerebral aneurysm detection software using data collected from multiple sites is desirable to ensure the stable performance of the software. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 14, 2021 Category: Radiology Source Type: research

Review of personal radiation exposure dose and history of the interventional procedure records for 40  years
ConclusionIt is important to get accustomed to film badge wearing, and the cancelation of making a mistake in the wearing part. Radiologists should check the PSV at a stage beyond a certain constant dose. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 12, 2021 Category: Radiology Source Type: research

Correction to: Visualization of small visceral arteries on abdominal CT angiography using ultra ‑high‑resolution CT scanner
A correction to this paper has been published: https://doi.org/10.1007/s11604-021-01138-0 (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 12, 2021 Category: Radiology Source Type: research

Effects of temperature alteration on viscosity, polymerization, and in-vivo arterial distribution of N-butyl cyanoacrylate-iodized oil mixtures
ConclusionWarming reduces the mixture ’s viscosity; cooling prolongs polymerization. Both can be potential factors to improve the handling of NBCA-iodized oil mixtures for lesions requiring peripheral delivery.Secondary abstractTemperature alteration influences the polymerization time, viscosity, and intra-arterial distribution of NBCA-iodized oil mixtures. Warming reduces the viscosity of the mixture, while cooling prolongs polymerization. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 9, 2021 Category: Radiology Source Type: research

An AI-based auxiliary empirical antibiotic therapy model for children with bacterial pneumonia using low-dose chest CT images
ConclusionThis auxiliary EAT radiomics multi-class classification model was deserved to be researched in differential diagnosing bacterial pneumonias in children. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 8, 2021 Category: Radiology Source Type: research

FDG-PET vs. chemical shift MR imaging in differentiating intertrabecular metastasis from hematopoietic bone marrow hyperplasia
AbstractPurposeTo evaluate the utility of SUVmax on FDG-PET and chemical shift imaging (CSI) on MRI in the differentiation of intertrabecular metastasis (ITM) from hematopoietic bone marrow hyperplasia (HBMH).Patients and methodsWe retrospectively evaluated 54 indeterminate focal bone marrow lesions in 44 patients detected on FDG-PET. The lesions were assigned to the metastasis group (M group, 29 lesions of 24 patients) and the non-metastasis group (non-M group, 25 lesions of 20 patients) based on the follow-up or the histopathological studies. The lesions were assessed with the maximum standardized uptake value (SUVmax) o...
Source: Japanese Journal of Radiology - June 8, 2021 Category: Radiology Source Type: research

Feasibility, safety, and efficacy of artificial carbon dioxide pneumothorax for computed tomography fluoroscopy-guided percutaneous radiofrequency ablation of hepatocellular carcinoma
ConclusionArtificial CO2 pneumothorax for CT fluoroscopy-guided percutaneous RF ablation appeared to be a feasible, safe, and useful therapeutic option for HCC. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 5, 2021 Category: Radiology Source Type: research

MRI, CT and FDG-PET/CT findings of Wolffian tumor: four-case series
ConclusionWolffian tumors may be typically solid extraovarian tumors occasionally associated with cysts and calcifications. Although they are benign, they mimic malignancy due to high intensities on DWI and increased FDG accumulation. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 5, 2021 Category: Radiology Source Type: research

Assessment of the sequential time –signal enhancement curve of dynamic contrast-enhanced MRI might be effective in diagnosing growth hormone-producing pituitary adenomas
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 4, 2021 Category: Radiology Source Type: research

Feasibility of perfusion and early-uptake 18F-FDG PET/CT in primary hepatocellular carcinoma: a dual-input dual-compartment uptake model
AbstractPurposePET enables a concurrent evaluation of perfusion status and metabolic activity. We aimed to evaluate the feasibility of perfusion and early-uptake18F-FDG PET/CT in hepatocellular carcinoma (HCC) using a dual-input dual-compartment uptake model.Materials and methodsData from 5  min dynamic PET/CT and conventional PET/CT scans were retrospectively collected from 17 pathologically diagnosed HCCs. Parameters such as hepatic arterial blood flow (Fa), portal vein blood flow (Fv), total blood flow (F), hepatic arterial perfusion index (HPI), portal vein perfusion index (PPI), blood volume (BV), extracellular m...
Source: Japanese Journal of Radiology - June 2, 2021 Category: Radiology Source Type: research

The future of cardiac disease assessment using 18F-FDG PET/CT
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - June 1, 2021 Category: Radiology Source Type: research

A technique for creating an experimental type Ia endoleak model in the thoracic aorta of swine
ConclusionA novel technique to create a type Ia endoleak model can be successfully developed in swine. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - May 31, 2021 Category: Radiology Source Type: research

Magnetic resonance cisternography imaging findings related to the leakage of Gadolinium into the subarachnoid space
AbstractPurposeTo identify magnetic resonance cisternography (MRC) imaging findings related to Gadolinium-based contrast agent (GBCA) leakage  into the subarachnoid space.Materials and methodsThe number of voxels of GBCA leakage (V-leak) on 3D-real inversion recovery images was measured  in 56 patients scanned 4 h post-intravenous GBCA injection. Bridging veins (BVs) were identified on MRC. The numbers of BVs with surrounding cystic structures (BV-cyst), with arachnoid granulations protruding into the superior sagittal sinus (BV-AG-SSS) and the skull (BV-AG-skull), and includin g any of these facto...
Source: Japanese Journal of Radiology - May 29, 2021 Category: Radiology Source Type: research

Application of prospective ECG-gated multiphase scanning for coronary CT in children with different heart rates
AbstractBackgroundTo investigate the application of prospective ECG-gated multiphase scanning in coronary CT imaging in children with different heart rates.MethodsIn the control group, 160 children aged 2 –4 years who underwent a coronary CT examination in our hospital from May 2016 to December 2017 were retrospectively selected. They were divided into five subgroups according to their heart rate frequency: 75–85 beats/min, 86–95 beats/min, 96–105 beats/min, and 106–120 beats/min. There wer e 40 children in each subgroup. Each child was treated with retrospective ECG-gated scanning technology....
Source: Japanese Journal of Radiology - May 27, 2021 Category: Radiology Source Type: research

Hepatic sclerosed hemangioma and sclerosing cavernous hemangioma: a radiological study
AbstractPurposeTo investigate and compare the CT and MRI features of hepatic sclerosed hemangioma (HSH) and sclerosing cavernous hemangioma (SCH).Materials and methodsTwelve HSH cases and 36 SCH cases were included, the imaging findings on CT (9 HSH and 34 SCH) and MRI (8 HSH and 10 SCH) were analyzed. Qualitative image analysis included the location, size, shape, capsular retraction, density, calcification, signal intensity on T1-weighted image (T1WI) and T2-weighted image (T2WI), presence of diffusion restriction, apparent diffusion coefficient (ADC) map, transient hepatic attenuation difference around the lesion, and th...
Source: Japanese Journal of Radiology - May 27, 2021 Category: Radiology Source Type: research

Imaging findings of granulocyte colony-stimulating factor-producing tumors: a case series and review of the literature
AbstractGranulocyte colony-stimulating factor (G-CSF)-producing tumors have an aggressive clinical course. Here, we report five cases of G-CSF-producing tumors and review the literature, focusing on imaging findings related to tumor-produced G-CSF. In addition to our cases, we identified 30 previous reports of G-CSF-producing tumors on which18F-fluorodeoxyglucose positron emission tomography (FDG-PET)/CT, bone scintigraphy, or evaluation of bone marrow MR findings was performed. White blood cell count, serum C-reactive protein, and serum interleukin-6 were elevated in all cases for which these parameters were measured. G-C...
Source: Japanese Journal of Radiology - May 22, 2021 Category: Radiology Source Type: research

Contrast examination of central venous access port implanted through internal jugular vein for evaluation of suspected complications
ConclusionContrast examination of CV-port allowed the assessment of suspected complications and early treatment. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - May 22, 2021 Category: Radiology Source Type: research