Lister's tubercle
Citation, DOI, disclosures and article data
At the time the article was created Craig Hacking had no recorded disclosures.
View Craig Hacking's current disclosuresAt the time the article was last revised Tariq Walizai had no financial relationships to ineligible companies to disclose.
View Tariq Walizai's current disclosures- Lister tubercle
- Dorsal tubercle
Lister's tubercle or the dorsal tubercle of the radius is a bony protuberance on the dorsal surface of the distal radius. It separates the 2nd (ECRB and ECRL) and 3rd (EPL) extensor compartments. It acts as a pulley for the EPL tendon, changing its mechanical direction of action.
Variant anatomy
The tubercle can display a range of morphologies, so much so that Chan and Chong 2 have proposed a classification system based on the dominance (height) of the radial and ulnar peaks of the tubercle found on MRI:
type 1: radial peak larger than ulnar peak
type 2: similar radial and ulnar peaks
type 3: ulnar peak larger than radial peak
Related pathology
References
- 1. James R. Doyle. Surgical Anatomy of the Hand and Upper Extremity. (2002) ISBN: 9780397517251 - Google Books
- 2. Chan W & Chong L. Anatomical Variants of Lister's Tubercle: A New Morphological Classification Based on Magnetic Resonance Imaging. Korean J Radiol. 2017;18(6):957-63. doi:10.3348/kjr.2017.18.6.957 - Pubmed
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