Nerve Entrapment Syndromes of the Elbow, Forearm, and Wrist

Miller, Theodore T.; Reinus, William R.

doi:10.2214/ajr.10.4817

Cited by 149 publications

(153 citation statements)

References 68 publications

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“…25 and 26) [11][12][13]. The bottom of the cubital tunnel is formed by the posterior band of the ulnar collateral ligament (Fig.…”

Section: Ulnar Nervementioning

confidence: 99%

“…Although standard values are less well established than for the median nerve, a value of 8 mm 2 is usually employed. Focal thickening, a notch sign, and hypervascularity also are important findings [11]. It is not rare for the nerve to be bifid or trifid and in such case the different parts can be measured separately and the sum can be used for assessment of thickness.…”

Section: Ulnar Nervementioning

confidence: 99%

“…Just before the proximal edge of the supinator muscle the radial nerve divides in the superficial radial nerve and the posterior interosseous nerve (Fig. 28) [11]. The superficial radial nerve is a sensory nerve and continuous distally to emerge adjacent to the tendons of the first extensor compartment where it can be easily discerned.…”

Section: Radial Nervementioning

confidence: 99%

“…A thick arcade of Frohse is a potential cause of nerve compression. The posterior interosseous nerve is a motor nerve and compression causes the syndrome of finger drop, which should be differentiated from wrist drop that occurs with more proximal lesions of the radial nerve [11][12][13][14]. Despite the fact that this branch is a motor nerve it also may cause a pain syndrome that may be difficult to differentiate from pain that occurs with tennis elbow.…”

Section: Radial Nervementioning

confidence: 99%

“…17). There are many potential compression areas of the median nerve which include the ligament of Struthers, lacertus fibrosus, between the pronator heads, the sublimis bridge, and anterior interosseous nerve compression syndrome [11][12][13]. The ligament of Struthers consists of a fibrous band that courses from a supracondylar process of the humerus to the medial epicondyle.…”

Section: Median Nervementioning

confidence: 99%

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Ultrasound of the elbow with emphasis on detailed assessment of ligaments, tendons, and nerves

Maeseneer

Brigido

Antić

et al. 2015

European Journal of Radiology

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a b s t r a c tThe high resolution and dynamic capability of ultrasound make it an excellent tool for assessment of superficial structures. The ligaments, tendons, and nerves about the elbow can be fully evaluated with ultrasound. The medial collateral ligament consists of an anterior and posterior band that can easily be identified. The lateral ligament complex consists of the radial collateral ligament, ulnar insertion of the annular ligament, and lateral ulnar collateral ligament, easily identified with specialized probe positioning. The lateral ulnar collateral ligament can best be seen in the cobra position. On ultrasound medial elbow tendons can be followed nearly up to their common insertion. The pronator teres, flexor carpi radialis, palmaris longus, and flexor digitorum superficialis can be identified. The laterally located brachioradialis and extensor carpi radialis longus insert on the supracondylar ridge. The other lateral tendons can be followed up to their common insertion on the lateral epicondyle. The extensor digitorum, extensor carpi radialis brevis, extensor digiti minimi, and extensor carpi ulnaris can be differentiated. The distal biceps tendon is commonly bifid. For a complete assessment of the distal biceps tendon specialized views are necessary. These include an anterior axial approach, medial and lateral approach, and cobra position. In the cubital tunnel the ulnar nerve is covered by the ligament of Osborne. Slightly more distally the ulnar nerve courses between the two heads of the flexor carpi ulnaris. An accessory muscle, the anconeus epitrochlearis can cover the ulnar nerve at the cubital tunnel, and is easily identified on ultrasound. The radial nerve divides in a superficial sensory branch and a deep motor branch. The motor branch, the posterior interosseous nerve, courses under the arcade of Frohse where it enters the supinator muscle. At the level of the dorsal wrist the posterior interosseous nerve is located at the deep aspect of the extensor tendons. The median nerve may be compressed at various sites, including the lacertus fibrosis, between the pronator teres heads, and the sublimis bridge. These compression sites can be identified with ultrasound.

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“…25 and 26) [11][12][13]. The bottom of the cubital tunnel is formed by the posterior band of the ulnar collateral ligament (Fig.…”

Section: Ulnar Nervementioning

confidence: 99%

Section: Ulnar Nervementioning

confidence: 99%

Section: Radial Nervementioning

confidence: 99%

Section: Radial Nervementioning

confidence: 99%

Section: Median Nervementioning

confidence: 99%

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Ultrasound of the elbow with emphasis on detailed assessment of ligaments, tendons, and nerves

Maeseneer

Brigido

Antić

et al. 2015

European Journal of Radiology

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Common Musculoskeletal Disorders

ابیانه¹,

فرخی²

2022

Musculoskeletal Disorders

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Possible points of compression of the ulnar nerve: Tricks and traps that await clinicians from an anatomical point of view

et al. 2021

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The ulnar nerve can be subject to numerous types of compression. The most common are cubital tunnel and ulnar tunnel syndromes, but there are many others with more uncommon etiologies. The existence of additional communicating branches, median nerve involvement, various types of injuries, and unusual anatomical variations can be a challenge for both diagnosis and treatment. This review presents a comprehensive depiction of ulnar nerve entrapment syndromes with particular reference to their anatomical background, risk factors, and clinical evaluation. Even common disorders can result from atypical morphological changes. It is important to be familiar with them as it is a key ability in daily medical practice.

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Nerve Entrapment Syndromes of the Elbow, Forearm, and Wrist

Abstract: To make an accurate assessment of the images, the radiologist must know the normal anatomy of the nerve, the places where the nerve can be compressed, and the muscles that are innervated by a particular nerve.

Cited by 149 publications

References 68 publications

Ultrasound of the elbow with emphasis on detailed assessment of ligaments, tendons, and nerves

Ultrasound of the elbow with emphasis on detailed assessment of ligaments, tendons, and nerves

Common Musculoskeletal Disorders

Possible points of compression of the ulnar nerve: Tricks and traps that await clinicians from an anatomical point of view

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