Finger/Digit
January 2024
Author: Justine Ko, MD, CAQ-SM
Peer Reviewer: R. Conner Dixon, MD, CAQ-SM
This image was obtained using a linear probe along the longitudinal aspect of the ulnar side of the thumb.
Image 1: Case courtesy of Maulik S Patel, Radiopaedia.org, rID: 37462.
Image 2: Demonstration of the ultrasound technique for this case. Author’s own image.
Can you name the key structures/layers in this longitudinal image of the ulnar thumb?
Below are the major structures of interest labeled in this longitudinal ulnar thumb image.
Image 2: Case courtesy of Maulik S Patel, Radiopaedia.org, rID: 37462, author’s own annotations
A 25 year old female is complaining of thumb pain after falling during a ski run. You obtain a longitudinal image of the ulnar thumb in normal and stress views with the following findings.
Image 1: Case courtesy of Maulik S Patel, Radiopaedia.org, rID: 37462, left panel with non-stress view, right panel with stress view
Image 2: demonstration of 45º stress view.
Can you name the key structures in the normal and stress views of the thumb above?
Image 1: Case courtesy of Maulik S Patel, Radiopaedia.org, rID: 37462, left panel with non-stress view, right panel with stress view