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Peer-reviewedCC BYFrontiers in surgery

Case Report: Spinoglenoid notch cysts associated with type II SLAP lesions: a report of two cases and review of the literature.

  • Jianan Ouyang1
  • Weiming Guo1,2
  • Fen Luo3
  1. 1Department of Sports Medicine, Affiliated Nanshan Hospital of Shenzhen University, Shenzhen, China.
  2. 2Department of Orthopaedics, Affiliated Hospital of Guilin Medical University, Guilin, China.
  3. 3Department of Orthopaedics, The Second Affiliated Hospital of University of South China, Hengyang, China.
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Abstract

Background

Spinoglenoid notch cysts associated with type II superior labrum anterior-to-posterior (SLAP) lesions are an uncommon cause of suprascapular nerve compression.Case presentation

This report presents two patients with posterior shoulder pain, weakness of inverted glenohumeral external rotation, and isolated infraspinatus atrophy. Magnetic resonance imaging confirmed spinoglenoid notch cysts communicating with type II SLAP lesions in both cases. Both patients underwent arthroscopic labral repair through standard SLAP portals, with intra-articular decompression of the cysts through the pre-existing capsular defect, avoiding additional dissection within the spinoglenoid notch. Postoperative rehabilitation and follow-up imaging demonstrated complete resolution of the cysts, restoration of infraspinatus muscle bulk, and recovery of external rotation strength.Conclusions

These cases demonstrate that arthroscopic labral repair, combined with indirect cyst decompression, can achieve complete cyst resolution and muscle recovery for selected patients. The findings support the potential reversibility of compression-related muscle atrophy following timely nerve decompression and emphasize the importance of accurate diagnosis and individualized management.

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Cite

BibTeXRIS
BibTeX
@article{ouyang2026case,
  title = {{Case Report: Spinoglenoid notch cysts associated with type II SLAP lesions: a report of two cases and review of the literature.}},
  author = {Jianan Ouyang and Weiming Guo and Fen Luo},
  journal = {Frontiers in surgery},
  year = {2026},
  month = oct,
  doi = {10.3389/fsurg.2026.1792792},
  url = {https://europepmc.org/article/MED/42921310},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Case Report: Spinoglenoid notch cysts associated with type II SLAP lesions: a report of two cases and review of the literature.
AU  - Jianan Ouyang
AU  - Weiming Guo
AU  - Fen Luo
PY  - 2026
DA  - 2026/10/01
JO  - Frontiers in surgery
DO  - 10.3389/fsurg.2026.1792792
UR  - https://europepmc.org/article/MED/42921310
AB  - Background  Spinoglenoid notch cysts associated with type II superior labrum anterior-to-posterior (SLAP) lesions are an uncommon cause of suprascapular nerve compression.Case presentation  This report presents two patients with posterior shoulder pain, weakness of inverted glenohumeral external rotation, and isolated infraspinatus atrophy. Magnetic resonance imaging confirmed spinoglenoid notch cysts communicating with type II SLAP lesions in both cases. Both patients underwent arthroscopic labral repair through standard SLAP portals, with intra-articular decompression of the cysts through the pre-existing capsular defect, avoiding additional dissection within the spinoglenoid notch. Postoperative rehabilitation and follow-up imaging demonstrated complete resolution of the cysts, restoration of infraspinatus muscle bulk, and recovery of external rotation strength.Conclusions  These cases demonstrate that arthroscopic labral repair, combined with indirect cyst decompression, can achieve complete cyst resolution and muscle recovery for selected patients. The findings support the potential reversibility of compression-related muscle atrophy following timely nerve decompression and emphasize the importance of accurate diagnosis and individualized management.
SN  - 2296-875X
ER  -