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Quadrilateral Space Syndrome: A Case Report.

Takuya Sato¹, Tsai-Lung Tsai¹, Anas Altamimi¹

¹1 The Cristine M. Kleinert Institute for Hand and Microsurgery, Kleinert Kutz Hand Center, KY, USA.

The Journal of Hand Surgery Asian-Pacific Volume

|February 17, 2017

Summary

This summary is machine-generated.

Quadrilateral space syndrome (QSS) can cause left arm pain after trauma. Diagnosis involves physical exams and nerve studies, with surgical decompression of the axillary nerve leading to full recovery.

Keywords:

Axillary nerve Quadrilateral space syndrome

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Area of Science:

Orthopedics
Neurology
Sports Medicine

Background:

Quadrilateral space syndrome (QSS) is a rare condition characterized by compression of the axillary nerve and posterior circumflex humeral artery.
It often results from repetitive overhead activities or direct trauma, leading to symptoms like shoulder pain and paresthesia.

Observation:

A patient presented with persistent left arm pain following trauma.
Clinical examination revealed signs suggestive of nerve impingement.
Diagnostic workup included magnetic resonance imaging (MRI), electromyography (EMG), and nerve conduction studies (NCS).

Findings:

The diagnostic evaluations confirmed quadrilateral space syndrome (QSS) involving the axillary nerve.
Imaging and electrodiagnostic tests precisely localized the nerve compression within the quadrilateral space.
Surgical intervention was deemed necessary for therapeutic management.

Implications:

This case highlights the importance of considering QSS in the differential diagnosis of arm pain post-trauma.
Accurate diagnosis through a combination of clinical assessment and specialized tests is crucial for effective treatment.
Surgical decompression of the axillary nerve offers a successful treatment option, leading to significant symptom resolution and functional recovery.