ArticleSurgical and radiologic anatomy : SRA2024
Fiber anatomy and histological characteristics of the innervation of the triangular fibrocartilage complex.
Article in Surgical and radiologic anatomy : SRA, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Beyond Palmer: a topographic classification of non-Palmer triangular fibrocartilage complex injuries.Insights into imaging · 2026Review
- Diagnostic Musculoskeletal Ultrasound in the Evaluation of the Triangular Fibrocartilage Complex.International journal of sports physical therapy · 2026Article
- Triangular Fibrocartilage Complex: An Anatomical and Medical Illustration Study.Clinical anatomy (New York, N.Y.) · 2025Review
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
purposeTo evaluate the precise origin of sensory nerves through gross anatomical study of the TFCC, synthesized alongside imaging and histological techniques.
methodSix cadaveric forearm specimens were obtained to map the course and branches of the ulnar nerve through macrodissection. Immunohistochemical staining targeting PGP 9.5 and type IV collagen was performed on frozen TFCC sections to visualize nerve fibers microscopically. Computed tomography, magnetic resonance imaging, and arthrography findings were also reviewed.
resultsAt the macroscopic level, the articular branches supplying the TFCC originated predominantly from the dorsal branch of the ulnar nerve. Microscopic analysis revealed positive PGP 9.5 expression and discernible neural marker expression, signifying fine nerve fiber ingrowth within the TFCC. Imaging modalities aided the diagnosis of TFCC lesions. The dorsal cutaneous branch of the ulnar nerve, medial cutaneous nerve of the forearm, and volar sensory branch of the ulnar nerve emerged as the principal nerves innervating the TFCC.
conclusionsThis study provides anatomical evidence that the TFCC receives innervation from branches of the ulnar nerve and contains sensory nerve fibers. These findings enhance understanding of potential neuropathic pain mechanisms in TFCC injuries and offer insights to guide surgical interventions. Further investigations are warranted to elucidate the clinical implications.
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Registered trials
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