The authors described 2 cases of pisotriquetral instability, which were diagnosed in patients presenting with ulnar wrist clicking and pain. The diagnosis was made first using 4-dimensional computed tomography, which helped further interventions and management in both patients.
From The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD.
Received for publication November 25, 2013; accepted January 8, 2014.
Reprints: Shadpour Demehri, MD, Musculoskeletal Section, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 601 N. Caroline Street, JHOC 5165, Baltimore, MD 21287 (e-mail: email@example.com).
Dr Chhabra has research grants from GE-Association of University Radiologists (General Electric Radiology Research Academic Fellowship), Siemens Medical Solutions, and Integra Life Sciences. He also serves as a research consultant with Siemens CAD group. Dr Carrino has received patient research grants from Siemens and serves as a speaker for Siemens lectures. The remaining authors declare no conflict of interest.