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Syndrome reference sheet
Generated 13 Oct 2026
Orthopedics · Orthopedics / Shoulder

Quadrilateral space syndrome

Also known as: Axillary nerve compression

Axillary nerve and posterior circumflex humeral artery compression.

Medical specialty
Orthopedics
Subspecialty
Orthopedics / Shoulder
Sex & age distribution
Male: affected; Female: affected; Children: rare
Gene(s) involved
None recorded

Etiology & mechanism

Fibrous bands in the quadrilateral space.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (4)

deltoid weaknessnight painparesthesiashoulder pain
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.