Michael Janisch
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View article: Predicting biological sex in pediatric skeleton X-rays using artificial intelligence
Predicting biological sex in pediatric skeleton X-rays using artificial intelligence Open
Artificial intelligence (AI) is increasingly applied in medical imaging, yet its ability to predict biological sex from pediatric radiographs remains unclear. This study investigates the performance of convolutional neural network (CNN) mo…
View article: Retrievable Scaffold Therapy Combined with Sirolimus-coated Balloon Angioplasty for Infrapopliteal Artery Disease: Final Results from the DEEPER LIMUS Trial
Retrievable Scaffold Therapy Combined with Sirolimus-coated Balloon Angioplasty for Infrapopliteal Artery Disease: Final Results from the DEEPER LIMUS Trial Open
Purpose To evaluate the safety and efficacy of retrievable scaffold therapy combined with sirolimus-coated balloon angioplasty for treating infrapopliteal artery lesions. Methods The DEEPER LIMUS study enrolled Rutherford class 3 to 5 pati…
View article: Efficacy of bolus injections of landiolol hydrochloride as premedication in coronary artery CT angiography
Efficacy of bolus injections of landiolol hydrochloride as premedication in coronary artery CT angiography Open
Purpose To assess the efficacy of bolus injections of landiolol hydrochloride as premedication in coronary artery CT angiography (CCTA). Methods The study population consisted of 37 patients (17 female; median age, 56 years; IQR, 19 years;…
View article: Type B Aortic Dissection CTA Collection with True and False Lumen Expert Annotations for the Development of AI-based Algorithms
Type B Aortic Dissection CTA Collection with True and False Lumen Expert Annotations for the Development of AI-based Algorithms Open
Aortic dissections (ADs) are serious conditions of the main artery of the human body, where a tear in the inner layer of the aortic wall leads to the formation of a new blood flow channel, named false lumen. ADs affecting the aorta distall…
View article: Association of covert brain infarct phenotype with stroke recurrence in first-ever manifest ischemic stroke according to etiology
Association of covert brain infarct phenotype with stroke recurrence in first-ever manifest ischemic stroke according to etiology Open
Introduction: Covert brain infarcts (CBI) are frequent incidental findings on MRI and associated with future stroke risk in patients without a history of clinically evident cerebrovascular events. However, the prognostic value of CBI in fi…
View article: Facing the AI challenge in radiology: Lessons learned from a regional survey among Austrian radiologists in academic and non-academic settings on perceptions and expectations towards artificial intelligence
Facing the AI challenge in radiology: Lessons learned from a regional survey among Austrian radiologists in academic and non-academic settings on perceptions and expectations towards artificial intelligence Open
Aim This study aimed to evaluate perceptions and expectations towards artificial intelligence (AI) applications in diagnostic radiology among radiologists across academic, non-academic and private practice settings in the Federal State of …
View article: CT texture analysis reliability in pulmonary lesions: the influence of 3D vs. 2D lesion segmentation and volume definition by a Hounsfield-unit threshold
CT texture analysis reliability in pulmonary lesions: the influence of 3D vs. 2D lesion segmentation and volume definition by a Hounsfield-unit threshold Open
Objective Reproducibility problems are a known limitation of radiomics. The segmentation of the target lesion plays a critical role in texture analysis variability. This study’s aim was to compare the interobserver reliability of manual 2D…
View article: Pediatric radius torus fractures in x-rays—how computer vision could render lateral projections obsolete
Pediatric radius torus fractures in x-rays—how computer vision could render lateral projections obsolete Open
It is an indisputable dogma in extremity radiography to acquire x-ray studies in at least two complementary projections, which is also true for distal radius fractures in children. However, there is cautious hope that computer vision could…
View article: Diagnosing Pulmonary Embolism With Computed Tomography Pulmonary Angiography
Diagnosing Pulmonary Embolism With Computed Tomography Pulmonary Angiography Open
Purpose: Computed tomography pulmonary angiography (CT-PA) is frequently used in the diagnostic workup of pulmonary embolism (PE), even in highly radiosensitive patient populations. This study aims to assess CT-PA with reduced z -axis cove…
View article: A pediatric wrist trauma X-ray dataset (GRAZPEDWRI-DX) for machine learning
A pediatric wrist trauma X-ray dataset (GRAZPEDWRI-DX) for machine learning Open
Digital radiography is widely available and the standard modality in trauma imaging, often enabling to diagnose pediatric wrist fractures. However, image interpretation requires time-consuming specialized training. Due to astonishing progr…
View article: GRAZPEDWRI-DX
GRAZPEDWRI-DX Open
The GRAZPEDWRI-DX dataset contains 20,327 wrist trauma images that were annotated by pediatric radiologists. These annotations include objects and tags of fractures, fracture classifications, and several other relevant image descriptors.
View article: GRAZPEDWRI-DX
GRAZPEDWRI-DX Open
The GRAZPEDWRI-DX dataset contains 20,327 wrist trauma images that were annotated by pediatric radiologists. These annotations include objects and tags of fractures, fracture classifications, and several other relevant image descriptors.
View article: Modeling Uncertainty in Fracture Age Estimation from Pediatric Wrist Radiographs
Modeling Uncertainty in Fracture Age Estimation from Pediatric Wrist Radiographs Open
In clinical practice, fracture age estimation is commonly required, particularly in children with suspected non-accidental injuries. It is usually done by radiologically examining the injured body part and analyzing several indicators of f…
View article: The value of MRI compared to conventional radiography in analysing morphologic changes in the spine in axial spondyloarthritis
The value of MRI compared to conventional radiography in analysing morphologic changes in the spine in axial spondyloarthritis Open
Background Imaging of morphologic changes in the vertebral spine in axial spondyloarthritis (SpA) is routinely performed with conventional radiography limited by superposition in the thoracic segments and radiation exposure. The objective …
View article: Phantom study for comparison between computed tomography- and C-Arm computed tomography-guided puncture applied by residents in radiology
Phantom study for comparison between computed tomography- and C-Arm computed tomography-guided puncture applied by residents in radiology Open
Purpose Comparison of puncture deviation and puncture duration between computed tomography (CT)- and C-arm CT (CACT)-guided puncture performed by residents in training (RiT). Methods In a cohort of 25 RiTs enrolled in a research training p…