Early and delayed blood-brain barrier permeability predicts delayed cerebral ischemia and outcomes following aneurysmal subarachnoid hemorrhage
ConclusionElevated Ktrans at admission is associated with the occurrence of DCI. Continuous monitoring of Ktrans from admission to DCITW can accurately identify reversible and irreversible changes and can predict outcomes at 3 months.Clinical relevance statementKtrans measured with CT perfusion is a valuable tool for predicting both delayed cerebral ischemia and three-month outcomes following aneurysmal subarachnoid hemorrhage. Monitoring changes in Ktrans from admission to time window of delayed cerebral ischemia can guide treatment and management decisions for aneurysmal subarachnoid hemorrhage patients.Key Points•Ktra...
Source: European Radiology - January 15, 2024 Category: Radiology Source Type: research
Coronary inflammation on chest computed tomography and COVID-19 mortality
ConclusionCoronary inflammation, measured with PCAT on non-triggered HRCT, appeared to be independently associated with higher mortality in patients with severe COVID-19, while the pre-existent coronary atherosclerotic burden was not associated with adverse outcomes after adjustment for covariates.Clinical relevance statementThe current study demonstrates that a relatively simple measurement, peri-coronary adipose tissue attenuation (PCAT), available ex-post from standard high-resolution computed tomography, is strongly and independently associated with in-hospital mortality.Key Points• Coronary inflammation can be measu...
Source: European Radiology - January 15, 2024 Category: Radiology Source Type: research
Progression of arterial calcifications: what, where, and in whom?
ConclusionsWe found a considerable incidence and increase in volumes of calcifications in different arteries, over a 14-year time interval. Cardiovascular risk factors were associated with increase of calcifications with sex-specific differential effects across arteries.Clinical relevance statementThere is a considerable incidence and increase in volumes of calcifications in different arteries, over a 14-year time interval. Cardiovascular risk factors are associated with increase of calcifications with sex-specific differential effects across arteries; thus, assessing changes in only one artery may thus not provide a good ...
Source: European Radiology - January 15, 2024 Category: Radiology Source Type: research
Choroid plexus enlargement in mild cognitive impairment on MRI: a large cohort study
ConclusionWe identified a relationship between CPV and MCI, which could not be explained by the degree of brain atrophy. Our results support CP dysfunction in MCI.Clinical relevance statementChoroid plexus volume measurement may serve as a valuable imaging biomarker for diagnosing and monitoring mild cognitive impairment. The enlargement of the choroid plexus, independent of brain atrophy, suggests its potential role in mild cognitive impairment pathology.Key Points• The study examines choroid plexus volume in relation to cognitive decline in elderly.• Enlarged choroid plexus volume independently indicates mild cogniti...
Source: European Radiology - January 15, 2024 Category: Radiology Source Type: research
Prediction of hemorrhagic transformation in acute ischemic stroke: a never-ending endeavor
(Source: European Radiology)
Source: European Radiology - January 15, 2024 Category: Radiology Source Type: research
ESR Bridges: enhancing radiology through multidisciplinary collaboration
(Source: European Radiology)
Source: European Radiology - January 15, 2024 Category: Radiology Source Type: research
Automated MRI liver segmentation for anatomical segmentation, liver volumetry, and the extraction of radiomics
ConclusionAutomated liver segmentation yields robust and generalizable segmentation performance on MRI data and can be used for volumetry and radiomic feature extraction.Clinical relevance statementLiver volumetry, anatomic localization, and extraction of quantitative imaging biomarkers require accurate segmentation, but manual segmentation is time-consuming. A deep convolutional neural network demonstrates fast and accurate segmentation performance on T1-weighted portal venous MRI.Key Points• This deep convolutional neural network yields robust and generalizable liver segmentation performance on internal, external, and ...
Source: European Radiology - January 13, 2024 Category: Radiology Source Type: research
CT-based whole lung radiomics nomogram: a tool for identifying the risk of cardiovascular disease in patients with chronic obstructive pulmonary disease
ConclusionThe CT-based whole lung radiomics nomogram has the potential to identify the risk of CVD in patients with COPD.Clinical relevance statementThis study helps to identify cardiovascular disease risk in patients with chronic obstructive pulmonary disease on chest CT scans.Key Points• To investigate the value of CT-based whole lung radiomics features in identifying the risk of cardiovascular disease in chronic obstructive pulmonary disease patients.• The radiomics nomogram showed better performance than the clinical factors model to identify the risk of cardiovascular disease in patients with chronic obstructive...
Source: European Radiology - January 12, 2024 Category: Radiology Source Type: research
A stepwise strategy integrating dynamic stress CT myocardial perfusion and deep learning –based FFRCT in the work-up of stable coronary artery disease
ConclusionsThe CCTA + FFRCT + CT-MPI stepwise strategy was superior to the CCTA + FFRCT strategy and CCTA+ CT-MPI strategy by minimizing unnecessary invasive diagnostic catheterization without compromising the agreement rate with ICA/FFR.Clinical relevance statementOur novel stepwise strategy facilitates greater confidence and accuracy when clinicians need to decide on interventional coronary angiography referral or deferral, reducing the burden of invasive investigations on patients.Key Points• A stepwise CCTA + FFRCT + CT-MPI strategy holds promise as a viable method to reduce the need for invasive diagnostic catheteri...
Source: European Radiology - January 12, 2024 Category: Radiology Source Type: research
Reproducibility and accuracy of vessel wall MRI in diagnosing giant cell arteritis: a study with readers of varying expertise
ConclusionVW-MRI is a reproducible and accurate imaging modality for detecting GCA, even among less-experienced readers. This study advocates for the use of VW-MRI when diagnosing GCA even in less-experienced centers.Clinical relevance statementVW-MRI is a reproducible and accurate imaging modality for detecting GCA, even among less-experienced readers, and it could be used as a first-line diagnostic tool for GCA in centers with limited expertise in GCA diagnosis.Key Points• Vessel wall magnetic resonance imaging (VW-MRI) is a reproducible and accurate imaging modality for detecting giant cell arteritis (GCA) in both ext...
Source: European Radiology - January 11, 2024 Category: Radiology Source Type: research
Olfactory cleft stenosis and obstruction on paranasal sinus CT scan in pre-septo-rhinoplasty patients: normal variants or pathologic findings?
ConclusionOC partial stenosis and partial obstruction were frequent findings in pre-septorhinoplasty patients without respiratory mucosa disease and did not influence their olfactory status. Total stenosis and complete obstruction were rarer and require further investigation.Clinical relevance statementIsolated partial olfactory cleft stenosis and obstruction should be considered normal variants, whereas the impact of complete olfactory cleft stenosis and obstruction on patient ’s olfactory status remains to be determined.Key Points•The incidence of olfactory cleft stenosis and obstruction in asymptomatic patients rema...
Source: European Radiology - January 11, 2024 Category: Radiology Source Type: research
Perceptions of radiologists on structured reporting for cancer imaging —a survey by the European Society of Oncologic Imaging (ESOI)
ConclusionRadiologists regard SR in oncologic imaging favorably, with perceived positive effects on report quality, error rate, comparison of serial exams, and communication with clinicians.Clinical relevance statementRadiologists believe that structured reporting in oncologic imaging improves report quality, decreases the error rate, and enables better communication with clinicians. Implementation of structured reporting in Europe is currently below the international level and needs society endorsement.Key Points• The majority of oncologic imaging specialists (57% overall; 51% in Europe) use structured reporting in clin...
Source: European Radiology - January 11, 2024 Category: Radiology Source Type: research
Machine learning model to preoperatively predict T2/T3 staging of laryngeal and hypopharyngeal cancer based on the CT radiomic signature
ConclusionsThe nomogram based on the radiomics model derived from contrast-enhanced CT images had good diagnostic performance for distinguishing T2/T3 staging of LHSCC.Clinical relevance statementAccurate T2/T3 staging assessment of LHSCC aids in determining whether laryngectomy or laryngeal preservation therapy should be performed. The nomogram based on the radiomics model derived from contrast-enhanced CT images has the potential to predict the T2/T3 staging of LHSCC, which can provide a non-invasive and robust approach for guiding the optimization of clinical decision-making.Key Points•Combining analysis of variance w...
Source: European Radiology - January 11, 2024 Category: Radiology Source Type: research
Diagnostic accuracy of an artificial intelligence algorithm versus radiologists for fracture detection on cervical spine CT
ConclusionCompared to attending radiologists, the artificial intelligence has a lower sensitivity and a higher miss rate of fractures in need of stabilising therapy; however, it detected most fractures undetected by the radiologists, including fractures in need of stabilising therapy.Clinical relevance statementThe artificial intelligence algorithm missed more cervical spine fractures on CT than attending radiologists, but detected 84.6% of fractures undetected by radiologists, including fractures in need of stabilising therapy.Key PointsThe impact of artificial intelligence for cervical spine fracture detection on CT on f...
Source: European Radiology - January 11, 2024 Category: Radiology Source Type: research
Letter to the Editor: “Obsolescence of nomograms in radiomics research”
(Source: European Radiology)
Source: European Radiology - January 11, 2024 Category: Radiology Source Type: research
