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ARRS COTW- November 5, 2018
MUSCULOSKELETAL IMAGING: Metabolic/Hematologic Case Author: Daniel E. Wessell, MD, PhD, Mallinckrodt Institute of Radiology at Washington University in Saint Louis History 8-year-old boy with distal right femur pain after recent resection of a lesion from the proximal right tibia. Imaging Findings Anteroposterior (A) and lateral (B) radiographs of the right knee show dense metaphysial bands…
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ARRS COTW- October 9, 2018
NUCLEAR MEDICINE: Musculoskeletal Case Author: Gary A. Ulaner, MD, PhD, Memorial Sloan-Kettering Cancer Center History 55-year-old man with lung cancer and chest pain who has undergone bone scanning in an evaluation for bone metastasis; the nuclear technologist says the images look unusual and needs to know the cause. Imaging Findings Anterior (A) and posterior (B)…
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ARRS COTW- August 13, 2018
MUSCULOSKELETAL IMAGING: Metabolic/Hematologic Case Author: Daniel E. Wessell, MD, PhD, Mallinckrodt Institute of Radiology at Washington University in Saint Louis History 29-year-old man with bilateral hand pain. Imaging Findings Dorsopalmar radiographs of the left (A) and right (B) hands show brachydactyly, brachyphalangia, undertubulation of the metacarpals and phalanges, ulnar exostoses, and diffuse soft-tissue calcifications. Magnified…
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ARRS Case of the Week- May 21, 2018
MUSCULOSKELETAL IMAGING: Metabolic/Hematologic Case Author: Daniel E. Wessell, MD, PhD, Mallinckrodt Institute of Radiology at Washington University in Saint Louis History 27-year-old man with left knee pain. Imaging Findings Coronal fat-suppressed T2-weighted fast spin-echo (A) and T1-weighted spin-echo (B) MR images of the left knee show nodular replacement of the normal fatty marrow. T1-weighted MR…
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ARRS Case of the Week- Apr 16, 2018
PEDIATRIC RADIOLOGY: Musculoskeletal Radiology Case Author: Krista L. Birkemeier, MD, Cincinnati Children’s Hospital Medical Center History 13-year-old male baseball player with right shoulder pain for 3 months who reports no trauma when asked about it. Imaging Findings Frontal radiograph of the right shoulder (A) shows mild widening and irregularity (arrow) of the lateral aspect…
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ARRS Case of the Week- Feb 12, 2018
PEDIATRIC RADIOLOGY: Musculoskeletal Radiology Case Author: Ricardo Restrepo, MD, Miami Children’s Hospital History 12-year-old male soccer player with right foot pain who reports no recent trauma when asked about it. Imaging Findings Lateral radiograph of the ankle (A) shows an elongated and prominent anterior process of the calcaneus (arrow). Sagittal STIR MR image (B) shows…
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ARRS Case of the Week- Jan 8, 2018
MUSCULOSKELETAL IMAGING: Metabolic/Hematologic Case Author: Daniel E. Wessell, MD, PhD, Mallinckrodt Institute of Radiology at Washington University in Saint Louis History 76-year-old man with recent 80-pound (36 kg) weight loss. CT has been performed, and the next best step based on the CT findings must be determined. Imaging Findings Axial pelvic CT images at the…
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ARRS Case of the Week- Dec 11, 2017
PEDIATRIC RADIOLOGY: Musculoskeletal Radiology Case Author: Ricardo Restrepo, MD, Miami Children’s Hospital History 14-year-old boy with right knee pain for 3 months who reports no trauma when asked about it. Imaging Findings Frontal radiograph of the knee (A) shows a well-defined round lucent lesion involving the medial femoral condyle (arrow). Coronal fat-suppressed T2-weighted MR image…
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ARRS Case of the Week- Nov 6, 2017
MUSCULOSKELETAL IMAGING: Arthritis of the Proximal Joints Case Author: Kirkland W. Davis, MD, University of Wisconsin School of Medicine and Public Health History 28-year-old man with hip and back pain. Imaging Findings Anteroposterior radiograph of the pelvis shows symmetric narrowing of the hip joint spaces and osteophytes. Enthesophyte production (whiskering) is evident at the ischial…
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ARRS Case of the Week- Oct 2, 2017
From http://www.arrs.org/ARRSLIVE/CaseOfTheWeek. PEDIATRIC RADIOLOGY: Musculoskeletal Radiology Case Author: Ricardo Restrepo, MD, Miami Children’s Hospital History 8-year-old girl with dysmorphic features and short stature who reports difficulty walking. Imaging Findings Frontal radiograph of the right hand (A) shows short, squat metacarpals that are widened distally and tapered proximally (arrows). Wide radioulnar articular ends also are evident. Lateral…