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ARRS COTW- September 24, 2018
GASTROINTESTINAL IMAGING: Liver Case Author: Cynthia Santillan, MD, University of California, San Diego History 68-year-old woman with abdominal pain. Imaging Findings Axial T2-weighted MR images of the abdomen (A and B) show innumerable thin-walled high-signal-intensity structures of varying sizes throughout the liver. Axial T2-weighted image of the kidneys (C) shows nearly complete replacement of the…
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ARRS COTW- July 16, 2018
GASTROINTESTINAL IMAGING: Liver Case Author: Hanna M. Zafar, MD, MHS, University of Pennsylvania History 55-year-old man with left flank pain; CT has been performed, and a recommendation based on the findings must be made. Imaging Findings Axial unenhanced CT images (A and B) show diffuse low attenuation of the liver (–2 HU). An ill-defined area…
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ARRS Case of the Week- Mar 19, 2018
GASTROINTESTINAL IMAGING: Pancreas Case Author: Ramit Lamba, MBBS, MD, University of California, Davis History 57-year-old man with chronic pancreatitis and severe abdominal pain, nausea, vomiting, low hematocrit, and bleeding at the jejunostomy site after recent abdominal surgery for mesenteric ischemia; CT has been performed and the next step must be determined. Imaging Findings Axial CT…
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ARRS Case of the Week- Dec 4, 2017
ULTRASOUND: Abdomen Case Author: Ulrike M. Hamper, MD, MBA, John Hopkins University History 87-year-old man with right upper quadrant discomfort and hypoglycemia. Imaging Findings Sagittal (A) and transverse (B) gray-scale ultrasound images of the pancreas show a 1.4 × 1.1 × 1.3 cm hypoechoic mass (calipers) in the pancreatic head just medial to a small…
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ARRS Case of the Week- Nov 13, 2017
GASTROINTESTINAL IMAGING: Pancreas Case Author: Ramit Lamba, MBBS, MD, University of California, Davis History 45-year-old woman with finding of asymptomatic calcification in the left upper quadrant on a chest radiograph obtained as part of an employment health screening. Imaging Findings Axial (A) and sagittal (B) CT images though the upper abdomen show a cystic encapsulated…