User profiles for N.C. Lehnen
Nils LehnenOberarzt Klinik für Neuroradiologie, Universitätsklinium Bonn Verified email at ukbonn.de Cited by 229 |
[HTML][HTML] Detection of degenerative changes on MR images of the lumbar spine with a convolutional neural network: a feasibility study
Our objective was to evaluate the diagnostic performance of a convolutional neural network
(CNN) trained on multiple MR imaging features of the lumbar spine, to detect a variety of …
(CNN) trained on multiple MR imaging features of the lumbar spine, to detect a variety of …
Data Extraction from Free-Text Reports on Mechanical Thrombectomy in Acute Ischemic Stroke Using ChatGPT: A Retrospective Analysis
NC Lehnen, F Dorn, IC Wiest, H Zimmermann… - Radiology, 2024 - pubs.rsna.org
Background Procedural details of mechanical thrombectomy in patients with ischemic stroke
are important predictors of clinical outcome and are collected for prospective studies or …
are important predictors of clinical outcome and are collected for prospective studies or …
Fibroblast growth factor receptor 1 gene amplification in pancreatic ductal adenocarcinoma
NC Lehnen, A von Mässenhausen, H Kalthoff… - …, 2013 - Wiley Online Library
Fibroblast growth factor receptor 1 gene amplification in pancreatic ductal adenocarcinoma
- Lehnen - 2013 - Histopathology - Wiley Online Library … Nils C Lehnen … Nils C Lehnen …
- Lehnen - 2013 - Histopathology - Wiley Online Library … Nils C Lehnen … Nils C Lehnen …
[HTML][HTML] Brain volume changes after COVID-19 compared to healthy controls by artificial intelligence-based MRI volumetry
Cohort studies that quantify volumetric brain data among individuals with different levels of
COVID-19 severity are presently limited. It is still uncertain whether there exists a potential …
COVID-19 severity are presently limited. It is still uncertain whether there exists a potential …
Fibroblast growth factor receptor 1 gene amplification in gastric adenocarcinoma
MH Schäfer, P Lingohr, A Sträßer, NC Lehnen… - Human pathology, 2015 - Elsevier
Gastric adenocarcinomas are associated with a poor prognosis due to the fact that the tumor
has often metastasized by the time of diagnosis. Thus, identification of novel therapeutic …
has often metastasized by the time of diagnosis. Thus, identification of novel therapeutic …
[HTML][HTML] Proton density fat fraction spine MRI for differentiation of erosive vertebral Endplate degeneration and infectious Spondylitis
Vertebral Modic type 1 (MT1) degeneration may mimic infectious disease on conventional
spine magnetic resonance imaging (MRI), potentially leading to additional costly and invasive …
spine magnetic resonance imaging (MRI), potentially leading to additional costly and invasive …
[HTML][HTML] First experience with the nimbus stentretriever: a novel device to handle fibrin-rich clots
Purpose To share our first experience with the Nimbus stentretriever, a multizone device
designed to assist neurointerventionalists in handling fibrin-rich clots in endovascular stroke …
designed to assist neurointerventionalists in handling fibrin-rich clots in endovascular stroke …
Clinical significance and prevalence of subarachnoid hyperdensities on flat detector CT after mechanical thrombectomy: does it really matter?
Background Subarachnoid hyperdensities after mechanical thrombectomy (MT) are a common
finding. However, it is often regarded as clinically insignificant. Objective With this single-…
finding. However, it is often regarded as clinically insignificant. Objective With this single-…
[HTML][HTML] External evaluation of a deep learning-based approach for automated brain volumetry in patients with huntington's disease
A crucial step in the clinical adaptation of an AI-based tool is an external, independent
validation. The aim of this study was to investigate brain atrophy in patients with confirmed, …
validation. The aim of this study was to investigate brain atrophy in patients with confirmed, …
Automated detection of cerebral aneurysms on TOF-MRA using a deep learning approach: An external validation study
BACKGROUND AND PURPOSE: Cerebral aneurysms yield the risk of rupture, severe
disability and death. Thus, early detection of cerebral aneurysms is crucial to ensure timely …
disability and death. Thus, early detection of cerebral aneurysms is crucial to ensure timely …