Posterior interosseous nerve intraneural ganglion cyst from the scapholunate joint

Hung, Virginia; Ericson, William B.; Raghunathan, Aditya; Spinner, Robert J.

doi:10.1002/ca.23202

Cited by 3 publications

(1 citation statement)

References 9 publications

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“…Subsequently, we confirmed our theory at all other sites: including the upper and lower limbs (from the shoulder to finger, and the hip to the toe). The ulnar nerve represents the second most common site for intraneural ganglion cysts (Hung et al, 2018;Krishnan et al, 2017;Spinner et al, 2006a;Spinner et al, 2009;Spinner et al, 2018;Wang et al, 2009). We challenged and confirmed the theory by testing apparent clinical outliers in the literature (Laumonerie et al, 2016;Spinner et al, 2008a;Spinner, Wang, et al, 2012;Spinner et al, 2019).…”

Section: Highway I Joint To Nerve: An Articular Origin For Intraneural Ganglion Cystsmentioning

confidence: 71%

A novel mechanism for the formation and propagation of neural tumors and lesions through neural highways

Spinner

2021

Clinical Anatomy

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By recognizing anatomic and radiologic patterns of rare and often misdiagnosed peripheral nerve tumors/lesions, we have defined mechanisms for the propagation of neural diseases. The novel concept of the nervous system serving as a complex system of "highways" driving the neural and perineural spread of these lesions is described in three examples: Intraneural dissection of joint fluid in intraneural ganglion cysts, perineural spread of cancer cells, and dissemination of unknown concentrations of neurotrophic/inhibitory factors for growth in hamartomas/choristomas of nerve. Further mapping of these pathways to identify the natural history of diseases, the spectrum of disease evolution, the role of genetic mutations, and how these neural pathways interface with the lymphatic, vascular, and cerebrospinal systems may lead to advances in targeted treatments.

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Section: Highway I Joint To Nerve: An Articular Origin For Intraneural Ganglion Cystsmentioning

confidence: 71%

A novel mechanism for the formation and propagation of neural tumors and lesions through neural highways

Spinner

2021

Clinical Anatomy

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Superficial radial intraneural ganglion cysts at the wrist

et al. 2018

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Posterior interosseous nerve syndrome caused by a ganglion cyst and its surgical release with intraoperative neurophysiological monitoring

Park¹,

Kim²,

Eom³

et al. 2021

Medicine

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Rationale: Intraoperative neurophysiological monitoring (IONM) has been utilized not only for the rapid detection of neural insults during surgeries, but also to verify the neurophysiological integrity of nerve lesions in the surgical field. Patient concerns: A 32-year-old woman presented with a wrist and finger drop that had lasted about 3 months. Diagnoses: The result of the initial electrodiagnostic test was consistent with posterior interosseous nerve (PIN) syndrome. Ultrasonography and magnetic resonance imaging of the proximal forearm showed a cystic mass at the anterolateral aspect of the radial head, which was diagnosed as a ganglion cyst. Interventions: Surgical release of the ganglion cyst with IONM was performed. During the surgery, we induced nerve action potentials and compound motor action potentials across the ganglion cyst, which demonstrated neural continuity. Outcomes: Three months after the surgery, the patient showed partial recovery of wrist and finger extensor muscle power. An electrodiagnostic test conducted 3 months after the surgery showed reinnervation potentials in PIN-innervated muscles. Lessons: IONM during peripheral nerve surgeries can support surgical decisions and confirm the location and degree of nerve damage.

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Posterior interosseous nerve intraneural ganglion cyst from the scapholunate joint

Cited by 3 publications

References 9 publications

A novel mechanism for the formation and propagation of neural tumors and lesions through neural highways

A novel mechanism for the formation and propagation of neural tumors and lesions through neural highways

Superficial radial intraneural ganglion cysts at the wrist

Posterior interosseous nerve syndrome caused by a ganglion cyst and its surgical release with intraoperative neurophysiological monitoring

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