ArticleSurgical and radiologic anatomy : SRA2025
Suprascapular nerve anatomy and its implication for approaches to peripheral nerve stimulation of its sensory branching: a morphometric cadaveric study.
Article in Surgical and radiologic anatomy : SRA, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Anatomical relationship of the suprascapular and axillary nerves to the glenohumeral joint and its surgical significance: a systematic review.Surgical and radiologic anatomy : SRA · 2026Pooled it
- Topographic anatomy of suprascapular artery branches in the supraspinatus fossa: surgical implications for rotator cuff and muscle advancement.Surgical and radiologic anatomy : SRA · 2026Article
- The supraspinatus fascia: a consistently two-layered structure with nociceptive innervation and differential functional anatomy.Surgical and radiologic anatomy : SRA · 2026Article
- Sonographic visualization of the suprascapular canal with focus on the suprascapular notch: anatomical description and ultrasound-probe techniques.Surgical and radiologic anatomy : SRA · 2026Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe suprascapular notch (SNo) is used to guide lead placement during peripheral nerve stimulation (PNS) of the suprascapular nerve (SNe) for refractory shoulder pain. Understanding branching patterns of the SNe can help determine the most effective site for lead placement to improve coverage and effective stimulation.
methodsNinety-three formalin-embalmed cadaveric shoulders were dissected and a morphometric analysis was conducted. The course and initial branch point of the SNe relative to the superior transverse scapular ligament (STSL) at the SNo were described. The width and depth of the SNo, and the diameter of the SNe within the SNo, were measured. Comparisons were performed between donor sex, laterality, and age.
resultsThe SNe branched proximal to the SNo in 15% of shoulders, directly at the SNo in 54%, and distal to the SNo in 31%. The SNe occupied the medial third of the SNo in 15%, middle third in 59%, and lateral third in 26%. The SNe branched a mean of 1.5 mm from the SNo. The mean depth of the SNo was 5.8 mm and the mean width was 7.8 mm. The mean diameter of the SNe was significantly greater in males (2.6 mm) than females (2.2 mm) (P < 0.001).
conclusionsThe main branching of the SNe tends to occur proximal to, or directly under, the STSL and in the middle third of the SNo. This knowledge can help guide clinicians when placing PNS leads under fluoroscopic or ultrasound guidance to achieve maximum stimulatory coverage. LEVEL OF EVIDENCE: III.
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