Off the wall: incidental paraspinal and pelvic muscle pathology on abdominopelvic imaging

Christopher R. Cunningham, Amanda L. Mehrsheikh, Yashant Aswani, Anup S. Shetty, Malak Itani, David H. Ballard, Rachita Khot, Mariam Moshiri, Melissa M. Picard, Benjamin E. Northrup

Research output: Contribution to journalReview articlepeer-review

Abstract

As the use of cross-sectional abdominal and pelvic imaging has increased exponentially in the past several decades, incidental musculoskeletal findings have become commonplace. These are often unrelated to the indication for the examination and are frequently referred to as the “radiologist’s blind spot” on these studies. The differential diagnosis for abnormalities of the paraspinal and pelvic musculature is, in many cases, quite different from the anterior abdominal wall muscles. Furthermore, due to their relatively deep location, pathology involving the former muscle groups is more likely to be clinically occult, often presenting only incidentally when the patient undergoes cross-sectional imaging. Effective treatment of diseases of these muscles is dependent on adherence to a diverse set of diagnostic and treatment algorithms. The purpose of this review article is to familiarize the radiologist with the unique pathology of these often-overlooked muscles of the abdomen and pelvis. Graphical abstract: (Figure presented.)

Original languageEnglish
JournalAbdominal Radiology
DOIs
StateAccepted/In press - 2024

Keywords

  • Imaging
  • Myositis
  • Paraspinal muscle
  • Pelvic muscle
  • Sarcopenia

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