Alex A. Nagelschneider
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View article: Pituitary Photon-Counting Detector CT for Cushing Disease: Preoperative Lesion Localization, Intraoperative Findings, and Postoperative Outcomes
Pituitary Photon-Counting Detector CT for Cushing Disease: Preoperative Lesion Localization, Intraoperative Findings, and Postoperative Outcomes Open
PCD-CT had a high rate of adenoma localization confirmed intraoperatively, even among MR-negative cases, potentially leading to high remission and gland preservation rates. Its role in the clinical workflow of preoperative evaluation for C…
View article: Growing intradiploic epidermoid cyst presenting as a diagnostic challenge in the setting of Langerhans cell histiocytosis: A case report
Growing intradiploic epidermoid cyst presenting as a diagnostic challenge in the setting of Langerhans cell histiocytosis: A case report Open
View article: Back to the Future: Dynamic Contrast-Enhanced Photon-Counting Detector CT for the Detection of Pituitary Adenoma in Cushing Disease
Back to the Future: Dynamic Contrast-Enhanced Photon-Counting Detector CT for the Detection of Pituitary Adenoma in Cushing Disease Open
Historically, MR imaging has been unable to detect a pituitary adenoma in up to one-half of patients with Cushing disease. This issue is problematic because the standard-of-care treatment is surgical resection, and its success is correlate…
View article: Impact of e-ASPECTS software on the performance of physicians compared to a consensus ground truth: a multi-reader, multi-case study
Impact of e-ASPECTS software on the performance of physicians compared to a consensus ground truth: a multi-reader, multi-case study Open
Background The Alberta Stroke Program Early CT Score ( ASPECTS) is used to quantify the extent of injury to the brain following acute ischemic stroke (AIS) and to inform treatment decisions. The e-ASPECTS software uses artificial intellige…
View article: Automated CT angiography collateral scoring in anterior large vessel occlusion stroke: A multireader study
Automated CT angiography collateral scoring in anterior large vessel occlusion stroke: A multireader study Open
Background Computed tomography (CT) angiography collateral score (CTA-CS) is an important clinical outcome predictor following mechanical thrombectomy for ischemic stroke with large vessel occlusion (LVO). The present multireader study aim…
View article: Refining TNM Classification for HPV-Mediated Oropharyngeal Carcinoma by the International Collaboration of Oropharyngeal Cancer Network (ICON-N-HPV ): A Multi-Center Cohort Study
Refining TNM Classification for HPV-Mediated Oropharyngeal Carcinoma by the International Collaboration of Oropharyngeal Cancer Network (ICON-N-HPV ): A Multi-Center Cohort Study Open
View article: Manifestations of radiation toxicity in the head, neck, and spine: An image-based review
Manifestations of radiation toxicity in the head, neck, and spine: An image-based review Open
Background and purpose Radiation therapy is an important component of treatment in patients with malignancies of the head, neck, and spine. However, radiation to these regions has well-known potential side effects, many of which can be enc…
View article: The Number of Radiographically Positive Lymph Nodes Further Stratifies Patient Survival Among Clinical N1 Patients With Human Papillomavirus–Associated Oropharyngeal Cancer
The Number of Radiographically Positive Lymph Nodes Further Stratifies Patient Survival Among Clinical N1 Patients With Human Papillomavirus–Associated Oropharyngeal Cancer Open
The number of radiographically positive lymph nodes is predictive of PFS and overall survival and could be used to meaningfully subcategorize cN1 patients with HPV(+)OPSCC. We recommend further validation of our proposal that cN1 patients …
View article: e-ASPECTS software improves interobserver agreement and accuracy of interpretation of aspects score
e-ASPECTS software improves interobserver agreement and accuracy of interpretation of aspects score Open
Introduction There is increased interest in the use of artificial intelligence-based (AI) software packages in the evaluation of neuroimaging studies for acute ischemic stroke. We studied whether, compared to standard image interpretation …
View article: Deep neural network to locate and segment brain tumors outperformed the expert technicians who created the training data
Deep neural network to locate and segment brain tumors outperformed the expert technicians who created the training data Open
Purpose: Deep learning (DL) algorithms have shown promising results for brain tumor segmentation in MRI. However, validation is required prior to routine clinical use. We report the first randomized and blinded comparison of DL and …
View article: Oncocytoma Presenting as a Fat-Containing Intraparotid Mass
Oncocytoma Presenting as a Fat-Containing Intraparotid Mass Open
View article: The flip-flop fungus sign: an FDG PET/CT sign of benignity.
The flip-flop fungus sign: an FDG PET/CT sign of benignity. Open
Benign granulomatous processes such as fungal infection may mimic metastatic lung cancer on FDG PET/CT. We found that these processes often have draining lymph node(s) with equal or greater FDG activity than associated lung nodule(s), a "f…