The effect of prophylactic balloon occlusion in patients with placenta accreta spectrum: a Bayesian network meta-analysis
ConclusionsPerforming PBOAA, PBOCIA, or PBOIIA in PAS patients is an effective way to minimize blood loss volume, while PBOAA and PBOIIA also reduce blood transfusion volume and hysterectomy rate. PBOAA is a notably more effective strategy to reduce blood loss volume than PBOIIA.Key Points• PBOAA, PBOCIA, and PBOIIA procedures can significantly reduce the blood loss volume compared to non-PBO intervention in PAS patients, of which PBOAA was more effective than the PBOIIA procedure.• PBOAA and PBOIIA could significantly reduce the blood transfusion volume and hysterectomy rate in contrast to the non-PBO intervention in ...
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Optimization of whole-body 2-[18F]FDG-PET/MRI imaging protocol for the initial staging of patients with myeloma
ConclusionThe WB-PET/MRI dataset including T1 and T2 Dixon, WB-DWI, and PET images provides optimal diagnostic performance to detect both focal lesions and diffuse BMI, with limited added value of WB-DCE for baseline staging of patients with MG.Key Points•The combination of morphological and functional MRI sequences and metabolic (2-[18F]FDG-PET) images increases the diagnostic performance of PET/MRI to detect focal bone lesions.•The adjunction of dynamic contrast-enhanced sequences did not improve diagnostic performance. (Source: European Radiology)
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Menstrual cycle impacts lung structure measures derived from quantitative computed tomography
ConclusionsThis study provides evidence that qCT-derived measures from the lung are impacted by the female menstrual cycle. This indicates studies seeking to use qCT as a more sensitive measure of cross-sectional differences or longitudinal changes in these derived lung measurements should consider acquiring data at a consistent time in the menstrual cycle for pre-menopausal women and warrants further exploration.Key Points•Lung measurements from chest computed tomography are used in multicenter studies exploring lung disease progression and treatment response.•The menstrual cycle impacts lung structure measurements....
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Predicting postoperative recovery in cervical spondylotic myelopathy: construction and interpretation of T2*-weighted radiomic-based extra trees models
ConclusionRadiomic features, especially wavelet-LL first-order variance, contribute to meaningful predictive models for CSM prognosis.Key Points• Conventional MRI features may not be ideal in predicting prognosis.• Radiomics provides greater predictive efficiency in the recovery from cervical spondylotic myelopathy. (Source: European Radiology)
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Prognostic value of total metabolic tumour volume and therapy-response assessment by [18F]FDG PET/CT in patients with metastatic melanoma treated with BRAF/MEK inhibitors
ConclusionsBaseline TMTV and metabolic response may be useful prognostic indicators for PFS and OS in patients with advanced melanoma treated with BRAF/MEK inhibitors.Key Points• In a retrospective cohort of 57 metastatic melanoma patients treated with BRAF/MEK inhibitors, a TMTV> 56 cm3 at baseline [18F]FDG PET/CT was significantly correlated with a shorter PFS and OS.• The combined use of baseline TMTV along with PET response during treatment allowed for the identification of three groups of patients with very different median OS. (Source: European Radiology)
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Comparison of semiquantitative chest CT scoring systems to estimate severity in coronavirus disease 2019 (COVID-19) pneumonia
ConclusionsAll semiquantitative scoring systems demonstrated substantial diagnostic performance for clinical severity at admission with excellent interobserver agreement. Interpretation time was significantly shorter in TSS and CCTS than in CTSS. The correlation between the scoring system and QDAR was highest in CCTS, followed by TSS and CTSS. CCTS appeared to be the most appropriate CT scoring system for clinical practice.Key Points• Three semiquantitative scoring systems demonstrate substantial accuracy (area under the curve: 0.836–0.855) for diagnosing clinical severity at admission and (area under the curve: 0.786...
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Reproducibility and its confounders of CMR feature tracking myocardial strain analysis in patients with suspected myocarditis
ConclusionIn a large clinical cohort, we could show CMR-FT yields excellent inter-reader and intra-reader reproducibility. Multi-parametric CMR-FT of the right and left ventricles appears to be a robust tool in cardiovascular patients referred to CMR.Clinical trial registration.ClinicalTrials.gov Identifier: NCT03470571, NCT04774549.Key Points•Cardiovascular magnetic resonance feature tracking (CMR-FT) is an emerging technique to measure myocardial strain in cardiovascular patients referred for CMR; however, the evaluation of its reproducibility in a large cohort has not yet been performed.•In a large clinical cohort, ...
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Idiopathic inflammatory myopathies: CT characteristics of interstitial lung disease and their association(s) with myositis-specific autoantibodies
ConclusionDespite the observed IIM heterogeneity, CT-scan criteria enabled ILD assignment to the three clusters, which were associated with MSAs. Radiologist identification of those clusters could facilitate diagnostic screening and therapeutics.Summary statementInterstitial lung disease in patients with idiopathic inflammatory myopathy could be classified into three clusters according to CT-scan criteria, and these clusters were significantly associated with myositis-specific autoantibodies.Key Points•Cluster analysis discerned three homogeneous groups of interstitial lung disease (ILD) for which cysts, consolidations, ...
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Incidence of pancreatic cancer during long-term follow-up in patients with incidental pancreatic cysts smaller than 2  cm
ConclusionThe long-term risk of pancreatic malignancy in asymptomatic patients with incidental pancreatic cysts less than 2  cm is 0.9 cases per 1,000 patient-years of follow-up, similar to those without pancreatic cysts. These very few pancreatic cancers developed at a separate location from the known cyst.Key Points• After a median of 9.2 years of follow-up, the risk of pancreatic malignancy in patients with an asymptomatic small pancreatic cyst was 0.9 cases per 1,000 patient-years of follow-up, similar to those without pancreatic cysts.• Very few pancreatic cancer cases developed in the location separate from the...
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Commercial AI solutions in detecting COVID-19 pneumonia in chest CT: not yet ready for clinical implementation?
ConclusionsThis study highlights the variable specificity and low positive predictive value of AI solutions in diagnosing COVID-19 pneumonia in chest CT. However, one solution yielded acceptable values for sensitivity. Thus, with further improvement, commercial AI solutions currently under development have the potential to be integrated as alert tools in clinical routine workflow. Randomized trials are needed to assess the true benefits and also potential harms of the use of AI in image analysis.Key Points• Commercial AI solutions achieved a sensitivity and specificity ranging from 62 to 96% and from 31 to 80%, respectiv...
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Correction to: Clinical acceptance of deep learning reconstruction for abdominal CT imaging: objective and subjective image quality and low-contrast detectability assessment
(Source: European Radiology)
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Correction to: [18F]FDG PET/MRI and magnetoencephalography may improve presurgical localization of temporal lobe epilepsy
(Source: European Radiology)
Source: European Radiology - April 26, 2022 Category: Radiology Source Type: research

Combining quantitative susceptibility mapping to radiomics in diagnosing Parkinson ’s disease and assessing cognitive impairment
ConclusionsRadiomics features and MSVs of the nigrostriatal system from QSM could have crucial role in diagnosing PD and assessing CI.Key Points•The MLR and the SVM models have excellent diagnostic performance in the diagnosis of PD.•A PD diagnostic nomogram, created based on MSV and the radiomics scores of SVM model, is very convenient for clinical use.•The radiomics features of the nigrostriatal system based on QSM help to evaluate the cognitive impairment in PD patients. (Source: European Radiology)
Source: European Radiology - April 24, 2022 Category: Radiology Source Type: research

Post-MRI transrectal micro-ultrasonography of transition zone PI-RADS & gt; 2 lesions for biopsy guidance
ConclusionMRI-targeted transrectal microUS is effective to detect TZ-sPCa. TRUS-MRI image fusion helps overcome limitations due to TZ tissue heterogeneity.Key PointsmicroUS can visualize the majority of MRI-detected PI-RADS> 2 TZ lesions (sensitivity = 83%).Interreader agreement of MRI-directed microUS in the detection of TZ lesions appears excellent (kappa = 0.88).In 77% of PI-RADS> 2 TZ lesions, biopsy was performed under microUS visual control. MRI fusion system was only used to overcome limitations due to tissue heterogeneity of benign prostatic hyperplasia. (Source: European Radiology)
Source: European Radiology - April 22, 2022 Category: Radiology Source Type: research

The emerging role of atrial strain assessed by cardiac MRI in different cardiovascular settings: an up-to-date review
AbstractThe left atrium (LA) has a crucial function in maintaining left ventricular filling, which is responsible for about one-third of all cardiac filling. A growing body of evidence shows that LA is involved in several cardiovascular diseases from a clinical and prognostic standpoint. LA enlargement has been recognized as a predictor of the outcomes of many diseases. However, LA enlargement itself does not explain the whole LA ’s function during the cardiac cycle. For this reason, the recently proposed assessment of atrial strain at advanced cardiac magnetic resonance (CMR) enables the usual limitations of the sole LA...
Source: European Radiology - April 22, 2022 Category: Radiology Source Type: research