Anatomical Implications of Wrist Arthroscopy Techniques
Summary
Wrist arthroscopy has emerged as a minimally invasive approach to diagnose and treat a spectrum of carpal pathologies while preserving joint integrity. Precise portal placement is critical to avoid damage to neural and vascular structures that lie in close proximity to the dorsal and volar aspects of the wrist. Anatomical studies have delineated safe corridors between the extensor tendons, superficial branch of the radial nerve and dorsal branch of the ulnar nerve, underscoring the importance of detailed mapping of cutaneous and deep structures. Variations in nerve branching patterns and in the bony contours of Lister’s tubercle, the radial and ulnar styloid processes, and the pisiform bone inform the selection of standard portals (for example 3–4, 4–5, 6R and 6U) and novel entry points. Awareness of individual anatomical variability reduces the risk of iatrogenic injury and enhances procedural safety. Moreover, surface landmarks such as the subcutaneous dorsomedial triangle of the distal forearm offer reliable guidance for portal localisation, facilitating consistent access to the radiocarpal, midcarpal and distal radioulnar joints. A comprehensive anatomical framework allows surgeons to tailor arthroscopic techniques to each patient, improving therapeutic outcomes and minimising complications.
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Anatomical Implications of Wrist Arthroscopy Techniques publication trend
The graph below shows the total number of articles in anatomical implications of wrist arthroscopy techniques across all publications each year (not limited to Nature Index journals).
Technical terms
Arthroscopy portal: A small incision through which an arthroscope or instruments are introduced into the joint.
Dorsal branch of the ulnar nerve: A sensory nerve branch supplying the dorsomedial aspect of the hand.
Superficial branch of the radial nerve: A cutaneous nerve branch that innervates the dorsolateral hand and thumb region.
Iatrogenic injury: Tissue damage or complication caused inadvertently by a medical procedure.
Subcutaneous dorsomedial triangle: A surface-anatomy landmark formed by the pisiform, styloid process and ulna border to predict underlying nerve and artery positions.
References
- The Risk of Injury in Wrist Arthroscopy Portals: A Cadaveric Study. Cureus (2023).
- Subcutaneous Dorsomedial Triangle of Forearm: Surgical Anatomy and Clinical Implication. Cureus (2023).
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