Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral Syndrome
Quadrilateral space syndrome (QSS) is a rare nerve entrapment disorder that occurs when the axillary nerve and posterior circumflex humeral artery (PCHA) become compressed in the quadrilateral space. QSS presents as vague posterolateral shoulder pain that is exacerbated upon the abduction and extern...
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Format: | Article |
Language: | English |
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Wiley
2015-01-01
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Series: | Case Reports in Orthopedics |
Online Access: | http://dx.doi.org/10.1155/2015/378627 |
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author | Hamilton Chen Vincent Reginald Narvaez |
author_facet | Hamilton Chen Vincent Reginald Narvaez |
author_sort | Hamilton Chen |
collection | DOAJ |
description | Quadrilateral space syndrome (QSS) is a rare nerve entrapment disorder that occurs when the axillary nerve and posterior circumflex humeral artery (PCHA) become compressed in the quadrilateral space. QSS presents as vague posterolateral shoulder pain that is exacerbated upon the abduction and external rotation of the shoulder. Diagnosis of QSS is difficult because of the vague presentation of QSS. In addition, even though MRI and MR angiography can be used in QSS diagnosis, there is currently no “gold standard” diagnostic imaging studies for QSS. In this case report, we describe a novel ultrasound-guided technique for a diagnostic quadrilateral space block and present a case where the diagnostic block was used to diagnose QSS. We believe that a diagnostic block of the quadrilateral space is a useful adjunct in the evaluation of patients with suspected QSS, especially in cases where examination findings and other diagnostic modalities are indeterminate. |
format | Article |
id | doaj-art-797173aeade048bdb25699f8d46fb18a |
institution | Kabale University |
issn | 2090-6749 2090-6757 |
language | English |
publishDate | 2015-01-01 |
publisher | Wiley |
record_format | Article |
series | Case Reports in Orthopedics |
spelling | doaj-art-797173aeade048bdb25699f8d46fb18a2025-02-03T06:07:36ZengWileyCase Reports in Orthopedics2090-67492090-67572015-01-01201510.1155/2015/378627378627Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral SyndromeHamilton Chen0Vincent Reginald Narvaez1University of California, Riverside School of Medicine, Riverside, CA 92507, USAUniversity of California, Riverside School of Medicine, Riverside, CA 92507, USAQuadrilateral space syndrome (QSS) is a rare nerve entrapment disorder that occurs when the axillary nerve and posterior circumflex humeral artery (PCHA) become compressed in the quadrilateral space. QSS presents as vague posterolateral shoulder pain that is exacerbated upon the abduction and external rotation of the shoulder. Diagnosis of QSS is difficult because of the vague presentation of QSS. In addition, even though MRI and MR angiography can be used in QSS diagnosis, there is currently no “gold standard” diagnostic imaging studies for QSS. In this case report, we describe a novel ultrasound-guided technique for a diagnostic quadrilateral space block and present a case where the diagnostic block was used to diagnose QSS. We believe that a diagnostic block of the quadrilateral space is a useful adjunct in the evaluation of patients with suspected QSS, especially in cases where examination findings and other diagnostic modalities are indeterminate.http://dx.doi.org/10.1155/2015/378627 |
spellingShingle | Hamilton Chen Vincent Reginald Narvaez Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral Syndrome Case Reports in Orthopedics |
title | Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral Syndrome |
title_full | Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral Syndrome |
title_fullStr | Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral Syndrome |
title_full_unstemmed | Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral Syndrome |
title_short | Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral Syndrome |
title_sort | ultrasound guided quadrilateral space block for the diagnosis of quadrilateral syndrome |
url | http://dx.doi.org/10.1155/2015/378627 |
work_keys_str_mv | AT hamiltonchen ultrasoundguidedquadrilateralspaceblockforthediagnosisofquadrilateralsyndrome AT vincentreginaldnarvaez ultrasoundguidedquadrilateralspaceblockforthediagnosisofquadrilateralsyndrome |