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Musculoskeletal Soft-tissue Masses
Evaluation of soft-tissue masses has become a common clinical practice indication for imaging with both ultrasound and MR imaging. We illustrate the ultrasonography and MR imaging appearances of soft-tissue masses based on the various categories, updates, and reclassifications of the 2020 World Health Organization classification. (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - February 4, 2023 Category: Radiology Authors: Christopher J. Burke, Jan Fritz, Mohammad Samim Source Type: research

Magnetic Resonance Imaging of Acute Adnexal Pathology
Acute pelvic pain is a common presenting symptom in women, but the etiology is often not readily apparent. The differential diagnosis varies greatly for pre versus postmenopausal and pregnant versus nonpregnant women. In addition to physical examination and laboratory evaluation, imaging plays an important role in narrowing the differential diagnosis. Pelvic ultrasound (US) is the first-line imaging modality, but occasionally pelvic magnetic resonance imaging (MRI) is used for problem-solving in the acute setting. The aim of this article is to educate radiologists on the appearance of acute adnexal pathologies that can be ...
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Authors: Erica B. Stein, Kimberly L. Shampain Source Type: research

MR Imaging of Epithelial Ovarian Neoplasms Part II
MR imaging shows high sensitivity and specificity for discriminating benign from malignant lesions, thereby aiding in cancer management from assessing the initial extent of disease to subsequent treatment response. Understanding the utility and application of advanced imaging techniques allows better lesion characterization. Subtypes of epithelial ovarian tumors are presented, along with characteristic imaging findings, and illustrated with examples. Select mimics of malignancy are also presented. (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Authors: Limin Xu, Susanna I. Lee, Aoife Kilcoyne Source Type: research

MR Imaging of Germ Cell and Sex Cord Stromal Tumors
MR imaging is useful in the detection and characterization of adnexal lesions. This review discusses the clinical findings and MR imaging appearances of two types of ovarian neoplasms: germ cell and sex cord stromal tumors. The most common of these lesions, mature cystic teratomas, is characterized by the presence of bulk fat on MR imaging. Some of the other germ cell neoplasms and sex cord stromal tumors may have suggestive clinical, laboratory, or MR imaging features (eg, lipid and fibrosis) to establish a diagnosis. The ability to differentiate benign tumors from possible malignancy can aid in patient management. (Sourc...
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Authors: Jacob R. Mitchell, Evan S. Siegelman, Karthik M. Sundaram Source Type: research

MR imaging of the Adnexa
MR imaging has a high diagnostic accuracy and reproducibility to classify adnexal masses as benign or malignant, using a risk stratification scoring system, the Ovarian-Adnexal Reporting and Data System (O-RADS) MR imaging score. The first step in achieving high accuracy is to ensure high technical quality of the MR scan. The sequences needed are clearly described in this article, with tips for handling difficult cases. This information will assist in obtaining the best possible images, to allow for accurate use of the O-RADS MR imaging risk score. (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Authors: Andrea G. Rockall, Aur élie Jalaguier-Coudray, Isabelle Thomassin-Naggara Source Type: research

Value Added: MR of the Adnexa
MR imaging of the adnexa has become increasingly important in the diagnosis and treatment of both benign and malignant pathologies. Initial imaging with pelvic ultrasound remains the mainstay, but multimodality analysis utilizing MR imaging is a critical component to the disease-focused approach. As this type of imaging is utilized on a more widespread scale, the expectations of the radiologist have intensified as well. Our goal with this issue is to provide a primer to aid with the acquisition and interpretation of these examinations. (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Authors: Erica B. Stein, Kimberly L. Shampain Tags: Preface Source Type: research

Foreword
When we first started our radiology residency (in the last century!), the only modality that could reliably visualize the ovaries was ultrasound. Advances in CT have allowed this modality to better visualize these structures. However, MR has taken ovarian imaging to a new level. Initial imaging with pelvic ultrasound remains the mainstay, and the role of MR imaging of the adnexa has expanded and is very important in the diagnosis and treatment of both benign and malignant pathologies. (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Authors: Suresh K. Mukherji, Lynne S. Steinbach Source Type: research

MR Imaging of the Adnexa
MAGNETIC RESONANCE IMAGING CLINICS OF NORTH AMERICA (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Authors: Erica B. Stein, Kimberly L. Shampain Source Type: research

Copyright
ELSEVIER (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Source Type: research

Contributors
SURESH K. MUKHERJI, MD, MBA, FACR (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Source Type: research

Contents
Suresh K. Mukherji and Lynne S. Steinbach (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Source Type: research

Forthcoming Issues
Musculoskeletal MRI-Ultrasound Correlation (Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Source Type: research

CME Accreditation Page
(Source: Magnetic Resonance Imaging Clinics of North America)
Source: Magnetic Resonance Imaging Clinics of North America - November 9, 2022 Category: Radiology Source Type: research

MR Imaging of M üllerian Anomalies
Constituting a broad spectrum of developmental abnormalities of the female genital tract, M üllerian duct anomalies (MDAs) are present in up to 7% of the general population and in up to 25% of women who present with infertility and a history of miscarriage. Imaging plays an important role in narrowing the diagnostic considerations in these patients. In this article, we review the normal e mbryologic development of the female genital tract followed by the MR imaging techniques and protocol recommendations to evaluate such patients. The differential diagnoses and the MR imaging features of MDAs are also reviewed. (Source: M...
Source: Magnetic Resonance Imaging Clinics of North America - October 20, 2022 Category: Radiology Authors: Joanie Garratt, Evan S. Siegelman Source Type: research

MR Imaging of Epithelial Ovarian Neoplasms Part I: Benign and Borderline
Benign and borderline epithelial ovarian tumors represent a substantial proportion of incidental adnexal lesions and familiarity with the typical imaging features on MR imaging can aid in their diagnosis and management. Clinical information such as menstrual status, age, and associated conditions is also important considerations when evaluating an adnexal lesion. Radiologists play an integral role in the preoperative evaluation process and can help guide treatment, particularly in those with lesions demonstrating benign or borderline features and those who may be candidates for fertility-sparing surgery. (Source: Magnetic ...
Source: Magnetic Resonance Imaging Clinics of North America - October 20, 2022 Category: Radiology Authors: Shaun A. Wahab, Juliana J. Tobler Source Type: research