Hill-Sachs lesion and normal humeral groove: MR imaging features allowing their differentiation.

Richards, Richard D.; Sartoris, D J; Pathria, Mini N.; Resnick, D

doi:10.1148/radiology.190.3.8115607

Cited by 100 publications

(45 citation statements)

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“…55,56 Managing these defects involves restoring bone anatomy to restore the concavity-compression model or converting intraarticular pathologies to extra-articular ones. Arthroscopic techniques are evolving to address acute and chronic glenoid defects 45,49,[57][58][59] ; however, open techniques are usually preferred.…”

Section: Nonoperative Treatmentmentioning

confidence: 99%

Evaluation and Treatment of Shoulder Instability

Anakwenze

Huffman

2011

The Physician and Sportsmedicine

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The shoulder joint has a wide range of motion as a result of a complex interplay of soft tissue and bone structures. It is also the most frequently dislocated joint in the body. Shoulder dislocations are generally classified as traumatic and nontraumatic. There are many specific causes, each of which necessitate individualized treatment modalities. Accurate diagnosis requires a careful history and physical examination. Arthroscopic surgery and advances in imaging have expanded our understanding of anatomy and pathology relevant to shoulder instability and its treatment. Surgery is the treatment of choice for recurrent traumatic instability. Surgery may also be indicated in some first-time traumatic dislocations in young contact athletes, whereas rehabilitation is the initial treatment of choice in older patients with initial instability and in those with nontraumatic dislocations. Results of arthroscopic capsulolabral repair now equal those of open capsulolabral repair and have become the surgical treatment of choice for most patients. However, in cases of recurrent instability and significant bone deficiency of either the glenoid or humeral head, open bone reconstructive procedures are often necessary to ensure successful outcomes.

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Section: Nonoperative Treatmentmentioning

confidence: 99%

Evaluation and Treatment of Shoulder Instability

Anakwenze

Huffman

2011

The Physician and Sportsmedicine

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“…Therefore, shearing against the glenoid rim with concomitant impression or depression fracture seems to be a more convincing mechanism as a cause of greater tuberosity fractures. This theory is further supported by the study of Richards et al 43 They identified the Hill-Sachs lesion in the lateral aspect of the intraarticular portion of the humeral head, as well as in the posterior part of the greater tuberosity. The exact position is determined by the degree of rotation of the humeral head during the injury.…”

Section: Discussionmentioning

confidence: 71%

Mechanism of injury and morphology of the greater tuberosity fracture

Bahrs

Lingenfelter²,

Fischer

et al. 2006

Journal of Shoulder and Elbow Surgery

102

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“…At CT or MR imaging, a Hill-Sachs lesion should be differentiated from the normal groove that is found at the posterolateral humeral head but more inferiorly. All Hill-Sachs lesions occur within the superior 4-5 mm of the humeral head margin, which should otherwise be circular on axial CT or MR images (Fig 13a) (28). Meanwhile, the normal longitudinal groove on the posterolateral humeral neck (Fig 13b, 13c) is located 20-38 mm below the superior aspect of the humeral head (28).…”

Section: Anterior Shoulder Dislocationmentioning

confidence: 99%

Acute Shoulder Trauma: What the Surgeon Wants to Know

Sandstrom¹,

Kennedy²,

Gross³

2015

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Many excellent studies on shoulder imaging from a radiologic perspective have been published over the years, demonstrating the anatomy and radiologic findings of shoulder trauma. However, it may not always be clear what the surgeon, who bears the responsibility for treating the injured patient, really needs to know about the injury to predict outcomes and plan management. The authors review the relevant osseous, soft-tissue, and vascular anatomy and describe the clinically relevant concepts that affect management. Familiarity with the Neer classification system for proximal humerus fractures can have a significant impact on treatment. The length and displacement of the medial humeral metaphyseal fragment helps predict the risk of ischemia in proximal humerus fractures. The Nofsinger approach for measuring the area of glenoid fossa bone loss can help the surgeon determine the need for surgical repair of a bony Bankart lesion. The size of Hill-Sachs and reverse Hill-Sachs lesions is also an important predictor of stability. The Ideberg classification system for intraarticular fractures of the glenoid fossa, combined with information on instability and joint incongruity, helps determine the need for surgical fixation of glenoid fossa fractures. Awareness of what matters to the surgeon can help radiologists better determine where to focus their attention and efforts when describing acute shoulder trauma.

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Hill-Sachs lesion and normal humeral groove: MR imaging features allowing their differentiation.

Abstract: A Hill-Sachs lesion is best differentiated from the anatomic groove by means of its more cephalic position along the longitudinal humeral axis.

Cited by 100 publications

References 0 publications

Evaluation and Treatment of Shoulder Instability

Evaluation and Treatment of Shoulder Instability

Mechanism of injury and morphology of the greater tuberosity fracture

Acute Shoulder Trauma: What the Surgeon Wants to Know

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