Superficial Siderosis of the Central Nervous System: Neurotological Findings Related to Magnetic Resonance Imaging.

Wagner, Franca; Buchwalder, Melanie; Wiest, Roland; Caversaccio, Marco; Vibert-Mennet, Dominique (2019). Superficial Siderosis of the Central Nervous System: Neurotological Findings Related to Magnetic Resonance Imaging. Otology & neurotology, 40(1), pp. 31-37. Lippincott Williams & Wilkins 10.1097/MAO.0000000000002071

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OBJECTIVE

To compare the neurotological results of five patients suffering from progressive hearing loss and ataxia due to superficial siderosis (SS) with the magnetic resonance imaging (MRI) findings.

STUDY DESIGN

Retrospective case review.

SETTING

Primary and hospital care center.

PARTICIPANTS

Five adult patients with neurotological symptoms of SS underwent MRI with acquisition of our temporal bone protocol including 3D-constructive interference in steady state (3D-CISS) and susceptibility-weighted imaging (SWI). All patients underwent a complete neurotological examination, the results of which were compared with the imaging findings.

MAIN OUTCOME MEASURES

Cochleovestibular deficits were present in all five patients as determined by uni- or bilateral bithermal caloric testing and/or video head impulse tests. Sacculocollic reflex was present with increased P1 and N1 latencies on both sides in all patients. MRI revealed an extensive hypointense SWI signal outlining the surface of the brain and the VIIIth cranial nerve in all five patients. Desynchronization of the brainstem auditory evoked potentials (BAEP) and partial or complete absence of the visual suppression of vestibulo-ocular reflex during the pendular rotatory test was particularly consistent with the lesions of the cochleovestibular nerves as well as the cerebellar atrophy seen on MRI.

CONCLUSION

The MRI results with SWI were related to neurotological findings in patients suffering from sensorineural deafness with ataxia due to SS. Our findings support the integration of the SWI and 3D-CISS sequences into the MRI protocol for all patients referred for evaluation of the extent of SS.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ear, Nose and Throat Disorders (ENT)
04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic and Interventional Neuroradiology

UniBE Contributor:

Wagner, Franca, Wiest, Roland Gerhard Rudi, Caversaccio, Marco, Vibert, Dominique Christine

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1531-7129

Publisher:

Lippincott Williams & Wilkins

Language:

English

Submitter:

Martin Zbinden

Date Deposited:

23 Jan 2019 14:17

Last Modified:

02 Mar 2023 23:31

Publisher DOI:

10.1097/MAO.0000000000002071

PubMed ID:

30516591

BORIS DOI:

10.7892/boris.122364

URI:

https://boris.unibe.ch/id/eprint/122364

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