Posterior interosseous nerve entrapments: review of the literature. Is the entrapment distal to the arcade of Frohse a really rare condition?

Anania, Pasquale; Fiaschi, Pietro; Ceraudo, Marco; Balestrino, Alberto; Martinoli, Carlo; Gennaro, Sergio

doi:10.1007/s00701-018-3615-8

Cited by 12 publications

(15 citation statements)

References 75 publications

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“…Anania et al, in a review of seven cases, emphasized that entrapment distal to the arcade of Frohse is rare, reported in only one out of their seven cases [6]. Berton et al studied cadavers and looked at the pennation pattern of the superficial and deep heads of the supinator.…”

Section: Discussionmentioning

confidence: 99%

The “Texas Longhorn” Syndrome: A Case of Posterior Interosseous Nerve Palsy With Noteworthy Observations

Kesserwani¹

2021

Cureus

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The posterior interosseous nerve (PIN) is quite a fascinating nerve. It wraps around the radial neck akin to the fibular nerve wrapping around the fibular neck. It can be compressed by the arcade of Frohse in a fashion similar to median nerve entrapment by the carpal tunnel. Furthermore, it divides into a number of branches, a simulacrum of the cauda equina, as it emerges from the supinator muscle. It is also associated with spaceoccupying pathologies; lipomas, and ganglion cysts being among the most common. It also has other interesting anatomical properties, such as fascicular compartmentalization, explaining PIN paralysis with radial nerve injuries. Finally, PIN lesions can lead to partial paralysis of finger extensors leading to the "Texas longhorn" hand gesture. We seize upon a case of PIN entrapment by fibrous adhesions and the arcade of Frohse, and explore the functional anatomy of the PIN.

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Section: Discussionmentioning

confidence: 99%

The “Texas Longhorn” Syndrome: A Case of Posterior Interosseous Nerve Palsy With Noteworthy Observations

Kesserwani¹

2021

Cureus

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“…The PIN supplies the radial and dorsal forearm muscles: extensor carpi radialis, supinator, extensor digitorum communis, extensor carpi ulnaris, extensor pollicis longus/brevis, and extensor indicis. [1][2][3] The PIN is predominantly a motor nerve, thus patients with posterior interosseous neuropathy will suffer metacarpophalangeal joint extension weakness, or so-called finger drop, and radial wrist deviation on extension, but no sensory symptoms. [1][2][3][4] The PIN is susceptible to compression at five sites.…”

Section: Discussionmentioning

confidence: 99%

“…[1][2][3] The PIN is predominantly a motor nerve, thus patients with posterior interosseous neuropathy will suffer metacarpophalangeal joint extension weakness, or so-called finger drop, and radial wrist deviation on extension, but no sensory symptoms. [1][2][3][4] The PIN is susceptible to compression at five sites. 1,2,4 This patient revealed restricted elbow motion due to pain, especially in elbow extension and pronation and this phenomenon suggested nerve torsion rather than compression.…”

Section: Discussionmentioning

confidence: 99%

“…[1][2][3][4] The PIN is susceptible to compression at five sites. 1,2,4 This patient revealed restricted elbow motion due to pain, especially in elbow extension and pronation and this phenomenon suggested nerve torsion rather than compression. 5,6 Ultrasonography is known to localize the lesion so we additionally performed upper arm ultrasound examination and multiple sites of hourglasslike appearance of the nerve were exposed.…”

Section: Discussionmentioning

confidence: 99%

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요골동맥의 압박에 의한 후골간 신경 비틀림과 그로 인한 신경병증: 증례 보고

Lee¹,

Kim²,

Kim³

et al. 2019

jouranlofkoreanassociationofemgelectrodiagnosticmedicine

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The posterior interosseous nerve (PIN) is a deep branch of radial nerve, liable to compression. Compression can occur spontaneously (entrapment) or secondary to mass lesions (lipoma, ganglion). 1 The common entrapment sites are as followings: fibrous band of the radial head, radial recurrent vessels at the level of radial neck, extensor carpi ulnaris brevis, arcade of Frohse and distal part of supinator muscle. 1-3 Here we report a case of PIN neuropathy due to torsion of the nerve caused by compression of Leash of Henry, a recurrent branch of radial artery. Electrodiagnostic findings were

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“…The posterior interosseous nerve (PIN) is one of the two major branches or the radial nerve, as it divides at the level of the lateral epicondyle. It represents the continuation of the deep motor branch of the radial nerve after it winds around the radius neck and enters the arcade of Frohse to pierce the supinator muscle [1,2].…”

Section: Introductionmentioning

confidence: 99%

Posterior interosseous nerve entrapment by intramuscular lipoma arising from the supinator muscle - a case report

Refai

Elsherif

Khalifa

2021

Romanian Journal of Orthopaedic Surgery and Traumatology

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Background: Lipomas are benign, slow-growing tumors frequently subcutaneous and asymptomatic, intramuscular lipoma constituting a rare subtype. However, a lipoma occurring nearby the proximal radius may cause posterior interosseous nerve (PIN) entrapment. Case presentation: We described an uncommon case of a 45-year-old-man with a history of progressive, painless proximal right (dominant) forearm swelling for 4 months associated with PIN entrapment syndrome, presenting as fingers extension weakness. Intramuscular lipoma was observed in the supinator muscle in the magnetic resonance imaging (MRI). Lipoma surgical excision and release of the PIN through proximal forearm direct anterior approach was performed. Results: The histopathological examination confirmed the diagnosis of benign intramuscular lipoma. The follow-up of the patient showed full recovery within three months postoperatively. Discussion: Intramuscular lipoma is rare; however, it could originate from supinator muscle in the forearm, presenting with vague pain and could lead to compression of nearby neurovascular structures such as the PIN. Clinical evaluation and imaging studies, especially MRI, are crucial for diagnosis. If neural compression is evident, surgical resection is mandatory. Conclusion: Intramuscular lipoma entrapping PIN is rare and requires early clinical diagnosis confirmed by imaging and neurophysiological studies, surgical excision being the method of choice for optimum functional outcomes.

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Posterior interosseous nerve entrapments: review of the literature. Is the entrapment distal to the arcade of Frohse a really rare condition?

Abstract: Posterior interosseous nerve distal entrapment is a rare condition; therefore, further investigation is needed when radiological images at the arcade of Frohse do not show any entrapment.

Cited by 12 publications

References 75 publications

The “Texas Longhorn” Syndrome: A Case of Posterior Interosseous Nerve Palsy With Noteworthy Observations

The “Texas Longhorn” Syndrome: A Case of Posterior Interosseous Nerve Palsy With Noteworthy Observations

요골동맥의 압박에 의한 후골간 신경 비틀림과 그로 인한 신경병증: 증례 보고

Posterior interosseous nerve entrapment by intramuscular lipoma arising from the supinator muscle - a case report

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