Jakob Leonhardi
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View article: Associations between MRI radiomics analysis and tumor-micro milieu in uterine cervical cancer
Associations between MRI radiomics analysis and tumor-micro milieu in uterine cervical cancer Open
Purpose The complex interactions of the tumor micromilieu could be reflected by magnetic resonance imaging (MRI) when analyzed with the radiomics approach. For several tumor entities, it has been shown that radiomics derived from MRI can r…
View article: CT texture analysis of lymph nodes for improved staging accuracy in patients with colon cancer.
CT texture analysis of lymph nodes for improved staging accuracy in patients with colon cancer. Open
Introduction: Texture analysis can provide quantitative imaging markers and better characterize tumor tissue in oncological imaging. The present analysis investigated the diagnostic benefit of computed tomography (CT) derived texture analy…
View article: Impact of MRI Texture Analysis on Complication Rate in MRI-Guided Liver Biopsies
Impact of MRI Texture Analysis on Complication Rate in MRI-Guided Liver Biopsies Open
Magnetic resonance imaging (MRI)–derived texture features are quantitative imaging parameters that may have valuable associations with clinical aspects. Their prognostic ability in patients undergoing percutaneous MRI-guided liver biopsy t…
View article: Association between radiomics of diffusion-weighted imaging and histopathology in hepatocellular carcinoma. A preliminary investigation
Association between radiomics of diffusion-weighted imaging and histopathology in hepatocellular carcinoma. A preliminary investigation Open
Radiomics features of the ADC maps can reflect the underlying histopathology in HCC patients including the proliferation potential and tumor-stroma ratio but not CD45 positive cells and tumor grading. The complex interactions between quant…
View article: CT Texture Analysis in Breast Cancer Patients Undergoing CT-Guided Bone Biopsy: Correlations With Histopathology
CT Texture Analysis in Breast Cancer Patients Undergoing CT-Guided Bone Biopsy: Correlations With Histopathology Open
Background: Texture analysis has the potential to deliver quantitative imaging markers. Patients receiving computed tomography (CT)-guided percutaneous bone biopsies could be characterized using texture analysis derived from CT. Especially…
View article: Diagnostic Accuracy and Reliability of CT-based Node-RADS for Esophageal Cancer
Diagnostic Accuracy and Reliability of CT-based Node-RADS for Esophageal Cancer Open
The Node-RADS score on staging CT is associated with the malignancy rate of lymph nodes in patients with EC with only moderate diagnostic accuracy. The inter-reader variability is moderate, which could pose difficulties for translation int…
View article: <scp>CT</scp> Texture Analysis of Perihilar Cholangiocarcinoma—Associations With Tumor Grading, Tumor Markers and Clinical Outcome
<span>CT</span> Texture Analysis of Perihilar Cholangiocarcinoma—Associations With Tumor Grading, Tumor Markers and Clinical Outcome Open
Background Texture analysis derived from computed tomography (CT) may provide clinically relevant imaging biomarkers associated with tumor histopathology. Perihilar cholangiocarcinoma is a malignant disease with an overall poor prognosis. …
View article: Impact of radiomics features, pulmonary emphysema score and muscle mass on the rate of pneumothorax and chest tube insertion in CT-guided lung biopsies
Impact of radiomics features, pulmonary emphysema score and muscle mass on the rate of pneumothorax and chest tube insertion in CT-guided lung biopsies Open
Iatrogenic pneumothorax is a relevant complication of computed tomography (CT)-guided percutaneous lung biopsy. The aim of the present study was to analyze the prognostic significance of texture analysis, emphysema score and muscle mass de…
View article: Diagnostic accuracy and reliability of CT-based Node-RADS for colon cancer
Diagnostic accuracy and reliability of CT-based Node-RADS for colon cancer Open
Objective The Node-RADS classification was recently published as a classification system to better characterize lymph nodes in oncological imaging. The present analysis investigated the diagnostic benefit of the Node-RADS classification of…
View article: Impact of quantitative CT texture analysis on the outcome of CT-guided bone biopsy
Impact of quantitative CT texture analysis on the outcome of CT-guided bone biopsy Open
View article: Impact of CT texture analysis on complication ratein CT-guided liver biopsies
Impact of CT texture analysis on complication ratein CT-guided liver biopsies Open
Several CT texture features of the target lesion and the length from the capsule to the lesion were associated with bleeding complications after CT-guided percutaneous liver biopsy. This could be used to identify patients at risk at the be…
View article: Potential diagnostic value of high b-value computed diffusion-weighted imaging in hepatocellular carcinoma
Potential diagnostic value of high b-value computed diffusion-weighted imaging in hepatocellular carcinoma Open
C-DWI images with high b-values up to b = 1000 s/mm2 demonstrate comparable detectability of HCC compared to standard DWI. The investigated DWI parameters were not associated with MVI status. Further research is needed to evalua…
View article: Analysis of Periprocedural X-ray Exposure in Transarterial Radioembolization with Glass or Resin Microspheres
Analysis of Periprocedural X-ray Exposure in Transarterial Radioembolization with Glass or Resin Microspheres Open
Background: Transarterial Radioembolization (TARE) is an effective treatment option for both primary and secondary liver malignancies. However, challenging anatomical conditions can lead to prolonged fluoroscopy times (FT), elevated doses …
View article: Computed tomography texture analysis to discriminate fungal and non-fungal infected fluid collections
Computed tomography texture analysis to discriminate fungal and non-fungal infected fluid collections Open
Some CT texture features were different between fungal and non-fungal infected fluid collections. The diagnostic overlap is large, which could reduce the clinical benefit. Further studies are needed to identify the possible diagnostic bene…
View article: CT texture analysis of perihilar cholangiocarcinoma – associations with tumor grading, tumor markers and clinical outcome
CT texture analysis of perihilar cholangiocarcinoma – associations with tumor grading, tumor markers and clinical outcome Open
Background: Texture analysis derived from computed tomography (CT) might be able to provide clinically relevant imaging biomarkers and might be associated with histopathology features in tumors. The present study sought to elucidate possib…
View article: Adventitial degeneration of the popliteal artery as a rare etiology of impaired arterial circulation in the lower extremities
Adventitial degeneration of the popliteal artery as a rare etiology of impaired arterial circulation in the lower extremities Open
View article: Computed Tomography-Defined Body Composition as Prognostic Parameter in Acute Mesenteric Ischemia
Computed Tomography-Defined Body Composition as Prognostic Parameter in Acute Mesenteric Ischemia Open
Introduction: Body composition comprising low-skeletal muscle mass (LSMM) and subcutaneous and visceral adipose tissue (SAT and VAT) can be assessed by using cross-sectional imaging modalities. Previous analyses suggest that these paramete…
View article: CT texture analysis and node-RADS CT score of mediastinal lymph nodes - diagnostic performance in lung cancer patients
CT texture analysis and node-RADS CT score of mediastinal lymph nodes - diagnostic performance in lung cancer patients Open
View article: Computed Tomography Embolus Texture Analysis as a Prognostic Marker of Acute Pulmonary Embolism
Computed Tomography Embolus Texture Analysis as a Prognostic Marker of Acute Pulmonary Embolism Open
Texture analysis is a quantitative imaging analysis that provides novel biomarkers beyond conventional image reading. Our aim was to use texture analysis of pulmonary emboli derived from thoracic computed tomography for prediction of morta…
View article: Magnetic Resonance Imaging of Peritoneal Carcinomatosis: Evaluation of High b-Value Computed Diffusion-Weighted Imaging
Magnetic Resonance Imaging of Peritoneal Carcinomatosis: Evaluation of High b-Value Computed Diffusion-Weighted Imaging Open
Over the last few years, diffusion-weighted imaging (DWI) has become increasingly relevant in the diagnostic assessment of peritoneal carcinomatosis. The aim of this study was to investigate the benefits of high-b DWI (c-DWI) compared to s…
View article: CT Texture analysis and CT scores for characterization of fluid collections
CT Texture analysis and CT scores for characterization of fluid collections Open
View article: CT Texture Analysis of Pulmonary Neuroendocrine Tumors—Associations with Tumor Grading and Proliferation
CT Texture Analysis of Pulmonary Neuroendocrine Tumors—Associations with Tumor Grading and Proliferation Open
Texture analysis derived from computed tomography (CT) might be able to provide clinically relevant imaging biomarkers and might be associated with histopathological features in tumors. The present study sought to elucidate the possible as…
View article: Epigastrische Schmerzen beim „Magentumor“
Epigastrische Schmerzen beim „Magentumor“ Open