Labrocapsular ligamentous complex of the shoulder: normal anatomy, anatomic variation, and pitfalls of MR imaging and MR arthrography.

Massengill, Alan D.; Seeger, L L; Yao, Liang; Gentili, Amilcare; Shnier, Ron; Shapiro, Matthew S.; Gold, R H

doi:10.1148/radiographics.14.6.7855336

Cited by 80 publications

(44 citation statements)

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“…As aforementioned, some authors proposed that these two lesions are either the same condition or part of a continuum of the same condition. 10,[14][15][16] Regardless, even if the etiology may differ the extent of capsular augmentation is an important consideration point for operation. Third, the stretching of the capsule may have been influenced by the volume of intra-articular injection of the contrast material.…”

Section: Discussionmentioning

confidence: 99%

“…They reported a significant association of type III insertions with anterior shoulder instability. [9][10][11] Additionally, Massengill et al 10) reported that a large anterior pouch or a repaired anterior capsular tear required differentiation from a type III capsular insertion as its appearance was likened to those of the former two. Previous reports have implicated numerous factors for glenohumeral dislocations.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of Capsular Insertion Type and of Capsular Elongation in Patients with Anterior Shoulder Instability and It's Correlation with Surgical Outcome: A Quantitative Assessment with Computed Tomography Arthrography

Kim¹,

Kim²,

Choi³

et al. 2016

Clinics in Shoulder and Elbow

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Background:The study aimed to determine the type of capsular insertion and the extent of capsular elongation in anterior shoulder instability by quantitatively evaluating their computed tomography arthrographic (CTA) findings, and to investigate the correlation of these parameters with surgical outcomes. Methods: We retrospectively reviewed 71 patients who underwent CTA and arthroscopic capsulolabral reconstruction for anterior shoulder instability between April 2004 and August 2008. The control group comprised 72 patients diagnosed as isolated type II superior labrum anterior to posterior (SLAP) lesion during the period. Among the 143 patients, 71 were examined with follow-up CTA at an average 13.8 months after surgery. It was measured the capsular length and cross-sectional area at two distinct capsular regions: the 4 and 5 o'clock position of the capsule. Results: With regards to the incidence of the type of anterior capsular insertion, type I was more common in the control group, whereas type III more common than in the instability group. Anterior capsular length and cross-sectional area were significantly greater in the instability group than in the control group. Among patients of the instability group, the number of dislocations and the presence of anterior labroligamentous periosteal sleeve avulsion lesion were significantly associated with anterior capsular redundancy. Postoperatively, recurrence was found in 3 patients (4.2%) and their postoperative capsular length and cross-sectional area were greater than those of patients without recurrence. Conclusions: Capsular insertion type and capsular redundancy derived through CTA may serve as important parameters for the management of anterior shoulder instability. (Clin Shoulder Elbow 2016;19(3):155-162)

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Assessment of Capsular Insertion Type and of Capsular Elongation in Patients with Anterior Shoulder Instability and It's Correlation with Surgical Outcome: A Quantitative Assessment with Computed Tomography Arthrography

Kim¹,

Kim²,

Choi³

et al. 2016

Clinics in Shoulder and Elbow

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“…Understanding of the complex anatomy and normal anatomic variations of the GHL is essential for accurate interpretation of standard and arthrographic MR images [6][7][8].…”

Section: Normal Anatomy and Variantsmentioning

confidence: 99%

“…The anterior capsular insertion can be divided into three types depending on the proximity of the capsular insertion to the glenoid margin [2]. In type I, the capsule inserts at the glenoid margin, in type II it inserts at the glenoid neck, and in type III the insertion is more medial, at the scapula [6]. When performing MR arthrography, the capsule is overdistended, and this produces a false appearance of type III insertion.…”

Section: Basic Biomechanicsmentioning

confidence: 99%

MR imaging of the glenohumeral ligaments

Bencardino

Beltran

2004

Magnetic Resonance Imaging Clinics of North America

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“…[4] Magnetic Resonance arthrography is used for instability. [5] MRI has become the "gold standard" for detecting both subtle and obvious internal derangement and assessing overall joint structure.…”

Section: Introductionmentioning

confidence: 99%

A Clinico-Radiological Correlation of Shoulder Joint Pain Original Article

2017

IJSR

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Labrocapsular ligamentous complex of the shoulder: normal anatomy, anatomic variation, and pitfalls of MR imaging and MR arthrography.

Cited by 80 publications

References 0 publications

Assessment of Capsular Insertion Type and of Capsular Elongation in Patients with Anterior Shoulder Instability and It's Correlation with Surgical Outcome: A Quantitative Assessment with Computed Tomography Arthrography

Assessment of Capsular Insertion Type and of Capsular Elongation in Patients with Anterior Shoulder Instability and It's Correlation with Surgical Outcome: A Quantitative Assessment with Computed Tomography Arthrography

MR imaging of the glenohumeral ligaments

A Clinico-Radiological Correlation of Shoulder Joint Pain Original Article

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