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ARRS COTW- October 29, 2018
NEURORADIOLOGY: Pediatric/Congenital Case Author: Sumit Pruthi, MBBS, Monroe Carrell Jr. Children’s Hospital at Vanderbilt University History 6-year-old boy with fever, irritability, and headache. Imaging Findings Axial (A) and coronal (B) single-shot T2-weighted MR images show moderate lateral ventricular dilatation with transependymal flow of CSF. Also evident in B is a moderate amount of fluid tracking along the…
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ARRS Case of the Week- May 15, 2018
NEURORADIOLOGY: Pediatric/Congenital Case Author: Sumit Pruthi, MBBS, Monroe Carell Jr. Children’s Hospital at Vanderbilt University History 14-year-old girl with low back pain Imaging Findings Posteroanterior radiograph (A) and 3D volume-rendered CT scan (B) of the spine shows moderate right convex thoracolumbar scoliosis and a wedge-shaped vertebral body at thoracolumbar junction. Diagnosis Hemivertebral body anomaly (congenital…
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ARRS Case of the Week- Mar 7, 2018
NEURORADIOLOGY: Irregular Arterial Stenosis Case Author: Megan K. Strother, MD, Vanderbilt University Medical Center History 45-year-old woman with 2 days of headache and confusion. Imaging Findings Sagittal maximum-intensity-projection image from a CT angiogram shows irregular arterial narrowing in the distal anterior cerebral artery (arrow). Diagnosis Vasculitis Teaching Points Results of CSF analysis are abnormal in…
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ARRS Case of the Week- Jan 2, 2018
NEURORADIOLOGY: Vascular Case Author: Megan K. Strother, MD, Vanderbilt University Medical Center History 86-year-old man with intermittent dizziness, nausea, and vomiting. Imaging Findings Axial T1-weighted contrast-enhanced MR image (A) shows smooth dural enhancement. Axial T2-weighted MR image (B) shows a cystic extraaxial lesion in the anterior portion of the left middle cranial fossa and an…
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ARRS Case of the Week- Oct 30, 2017
From http://www.arrs.org/ARRSLIVE/CaseOfTheWeek. NEURORADIOLOGY: Vascular Case Author: Megan K. Strother, MD, Vanderbilt University Medical Center History 84-year-old man with altered mental status. Imaging Findings Parametric maps from CT perfusion study show increased cerebral blood flow (A), increased cerebral blood volume (B), and delayed mean transit time (C) in the right parietal lobe. Cerebral hyperperfusion syndrome Hypercapnia Ischemia…
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ARRS Case of the Week- August 7, 2017
NEURORADIOLOGY: Vascular Case Author: Megan K. Strother, MD, Vanderbilt University Medical Center History 22-year-old man with sudden left-sided weakness. Imaging Findings Parametric maps from CT perfusion study show decreased cerebral blood flow (A), decreased cerebral blood volume (B), and delayed mean transit time (C) in the right anterior and middle cerebral artery territories. Infarction Ischemia…