Winnie A. Mar

University of Illinois Chicago

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Mihra S. Taljanovic

University of Arizona

Karen L. Xie

Shantou University

Tyson S. Chadaz

Banner - University Medical Center Tucson

Frank H. Miller

Northwestern University

Imran M. Omar

Northwestern Memorial Hospital

Senta Berggruen

Northwestern University

Jeanne M. Horowitz

Northwestern University

A. Douglas Kinghorn

The Ohio State University

Kejia Cai

University of Illinois Chicago

Tim B. Hunter

Tucson Medical Center

Cooperative Institutions

Memorial Sloan Kettering Cancer Center

157

Accreditation Council for Graduate Medical Education

143

University of Illinois Chicago

112

University of Illinois Hospital & Health Sciences System

Illinois College

University of Illinois Urbana-Champaign

Seoul National University

Cornell University

University of Chicago Medical Center

University of Chicago

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Osteonecroses and Osteochondroses

Oxford University Press eBooks (2019)

Winnie A. Mar

Chapter 115, entitled “Osteonecroses and Osteochondroses,” discusses the pathophysiology, clinical findings, imaging findings, and treatment of osteonecrosis (ON) of bone, including epiphyseal ON and bone infarcts. It also discusses the osteochondroses including Legg–Calvé-Perthes, osteochondritis dissecans, Blount, Panner, Osgood-Schlatter, Sinding-Larsen-Johansson, and Köhler diseases and Freiberg infraction. ON occurs from an ischemic insult to bone with subsequent death of the hematopoietic, osteoblastic, osteoclastic, and fat cells. Osteochondroses comprise a variety of diseases involving epiphyses or apophyses in children with epiphyseal or apophyseal fragmentation and increased sclerosis. Initial evaluation for ON and osteochondrosis is typically with radiographs. MRI is the study of choice when radiographic findings are not diagnostic.

10.1093/med/9780190938178.003.0116

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Normalized Relative Contrast Improves the Power of Pre-Therapy Contrast-Enhanced MRI to Predict the Prognosis of Uterine Leiomyoma Treated With Uterine Artery Embolization

Journal of Clinical Gynecology and Obstetrics (2015)

Kejia Cai Karen L. Xie Winnie A. Mar Alison Palumbo Frederick C. Damen

Uterine Artery Embolization

Uterine Leiomyoma

10.14740/jcgo279w

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Diagnostic Imaging in the Evaluation of Leg Pain in Athletes

Clinics in Sports Medicine (2012)

Michael Bresler Winnie A. Mar Jordan E. Toman

Stress Fractures

Etiology

Sports medicine

10.1016/j.csm.2011.09.006

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Misplaced Devices in the Chest, Abdomen, and Pelvis: Part I

Seminars in Ultrasound CT and MRI (2006)

Mihra S. Taljanovic Tim B. Hunter Irwin M. Freundlich Winnie A. Mar Stephen H. Smyth

10.1053/j.sult.2006.01.002

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Improved Image Quality of Low-Dose CT Pulmonary Angiograms

Journal of the American College of Radiology (2017)

Eric L. Chen Jeremy A. Ross Christopher Grant Andrew C. Wilbur Nikhil Mehta

Hounsfield scale

Image noise

Dose area product

10.1016/j.jacr.2016.11.007

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Pelvic Bone Trauma

Oxford University Press eBooks (2019)

Winnie A. Mar Tyson S. Chadaz

Chapter 18 discusses pelvic trauma and reviews the mechanism of injury and clinical features, imaging strategy, imaging characteristics, and treatment of pelvic and acetabular fractures. Most pelvic fractures are stable and include pubic rami fractures, avulsion fractures, and the Duverney fracture. Pelvic fractures may be associated with significant hemorrhage or bladder or urethral injury. The Young and Burgess classification of pelvic fractures is discussed including lateral compression, anterior compression, and vertical shear injuries. The Letournel and Judet classification of acetabular fractures into elemental and associated fractures is also delineated. It is important to recognize pelvic avulsion fractures as they may simulate tumor or osteomyelitis during the healing phase.

Pelvic fracture

10.1093/med/9780190938161.003.0018

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Early Malaysian experience on the use of head and neck localizers in the precision radiotherapy of intra and extra cranial sites for first 28 cases.

PubMed (2006)

I Zamzuri Nik Rumzi Nik Idris Winnie A. Mar Jafri Malin Abdullah A Zakaria

Precision Radiotherapy at high doses require a fixed, referable target point. The frame system fulfills the required criteria by making the target point relocatable and fixed within a stereotactic space. Since December 2001, we have treated 28 central and peripheral nervous system lesions using either radiosurgery as a single high dose fraction or fractionated 3-dimensional conformal radiotherapy using a lower dose and a multi-leaf collimator. Various pathological lesions either benign or malignant were treated. Eighty six percent of our treated lesions showed growth restraint, preventing them from causing new symptoms with a median follow-up duration of 20.5 months. However, the true benefit from this technique would require a long-term follow-up to document the progress.

Collimator

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Magnetic resonance imaging of rheumatological diseases

Polish Journal of Radiology (2022)

Jennifer S. Weaver Imran M. Omar Winnie A. Mar Andrea S. Kauser Gary Mlady

Magnetic resonance imaging (MRI) is extremely useful in the early diagnosis of rheumatologic diseases, as well as in the monitoring of treatment response and disease progression to optimize long-term clinical outcomes. MRI is highly sensitive and specific in detecting the common findings in rheumatologic diseases, such as bone marrow oedema, cartilage disruption, articular erosions, joint effusions, bursal effusions, tendon sheath effusions, and synovitis. This imaging modality can demonstrate structural changes of cartilage and bone destruction years earlier than radiographs. Rheumatoid arthritis, crystal deposition diseases (including gouty arthropathy and calcium pyrophosphate deposition disease), seronegative spondyloarthropathies (including psoriatic arthritis, reactive arthritis, ankylosing spondylitis), and osteoarthritis have characteristic appearances on MRI. Contrast-enhanced MRI and diffusion-weighted imaging can provide additional evaluation of active synovitis. This article describes the MRI findings of normal joints, as well as the pathophysiological mechanisms and typical MRI findings of rheumatoid arthritis, gouty arthritis, calcium pyrophosphate deposition disease, psoriatic arthritis, reactive arthritis, ankylosing spondylitis, and osteoarthritis.

Chondrocalcinosis

Reactive arthritis

Spondylitis

10.5114/pjr.2022.113390

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Citations (7)

The comparative examination of pharmacological effects of musk containing and civet containing WooHwangChungSimWon on the hypertension and heart contraction

생약학회지 (2000)

Eun Hee Choi Myung‐Haing Cho Se-Rin Shin Winnie A. Mar

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Spectrum of Voriconazole-Induced Periostitis With Review of the Differential Diagnosis

American Journal of Roentgenology (2018)

Isaiah Tan Laurie M Lomasney Gregory Scott Stacy Martin L. Lazarus Winnie A. Mar

Voriconazole is an antifungal medication used primarily for the treatment of Candida and Aspergillus infections. A fairly newly described side effect of long-term voriconazole use is periostitis. The purpose of this article is to describe the main differential consideration-hypertrophic osteoarthropathy-and other differential diagnoses, including venous stasis, thyroid acropachy, and hypervitaminosis A.With knowledge of imaging appearance, clinical manifestations, and outcomes, radiologists can make an accurate diagnosis of voriconazole-induced periostitis, and clinical teams can initiate appropriate management.

Periostitis

Hypertrophic Osteoarthropathy

10.2214/ajr.18.19991

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Citations (26)