Research in Vestibular Science

Atypical Presentation of Acute Vestibular Syndrome with Ramsay Hunt Syndrome: Bong-Hui Kang, Yong-Woo Lee, Jae-Il Kim; Res Vestib Sci. 2020;19(1):16-21. Published online March 15, 2020; DOI: https://doi.org/10.21790/rvs.2020.19.1.16

Abstract PDF: Ramsay Hunt syndrome is an acquired paralysis of the face specifically caused by a varicella-zoster virus infection in the facial nerve. Other cranial nerves including vestibulo-cochlear disturbance can be affected. Herein we reported a case of Ramsay Hunt syndrome with atypical vestibular syndrome. Although central vestibular signs including direction changing post head-shaking nystagmus or normal head impulse test are generally meaningful, clinicians need to be careful to interpret them because some findings can be observed not only in cases of central disorders but also in peripheral disorders. Clinical findings such as distinct ear pain and close observation of vesicles are important to diagnose Ramsay Hunt syndrome.

Posttraumatic Peripheral Vertigo: Soyeon Yoon, Mi Joo Kim, Minbum Kim; Res Vestib Sci. 2018;17(4):125-129. Published online December 21, 2018; DOI: https://doi.org/10.21790/rvs.2018.17.4.125

Abstract PDF: Posttraumatic vertigo can be defined as the vertiginous disorder occurred after head and neck trauma without other pre-existing vestibular disorder. Central, peripheral, and combined deficits might cause this condition. Especially, various peripheral vestibulopathies are possible causes of posttraumatic vertigo; benign paroxysmal positional vertigo, temporal bone fracture, perilymphatic fistula, labyrinthine concussion, posttraumatic hydrops, and cervical vertigo. Since the differential diagnosis of the posttraumatic vertigo is often difficult, it is essential to acquire knowledge of their pathophysiology and clinical features. In this review, peripheral vestibulopathy as the possible causes of posttraumatic vertigo were described according to the current literature.

Pseudo-Vestibular Neuritis Caused by a Vascular Tumor Involving the Anterior Inferior Cerebellum: Se Young Lee, Seung Han Lee, Eun Seon Park, Deok Sang Yoo; Res Vestib Sci. 2012;11(4):142-145.

Abstract: Acute vestibular syndrome (AVS) is characterized by the rapid onset of dizziness/ vertigo accompanied by nausea/vomiting, gait unsteadiness, and nystagmus lasting a day or more. Some patients with AVS have potentially dangerous central etiologies. AVS caused by central etiologies without significant other neurologic deficit, so called pseudo-vestibular neuritis (pseudo-VN), could be difficult to be differentiated from acute vestibular neuritis. In addition to imaging studies, bedside oculomotor examination-head impulse test, nystagmus and test of skew)-is essential to identify patients with pseudo-VN. Among several central causes of AVS, brain tumor is extremely rare. We report a case of vascular tumor involving the anterior inferior cerebellum with AVS presentations.

Unilateral Peripheral Vestibulopathy associated with Cerebral Venous Infarction: Hyun Ah Kim, Hyung Lee, Byung Rim Park; J Korean Bal Soc. 2006;5(2):285-287.

Abstract PDF: Cerebral venous infarction is associated with a wide variety of clinical symptoms and signs, which may often delay appropriate diagnosis. Unilateral vestibular deficit as a presenting sign of cerebral venous infarction has rarely been reported. We report a patient with cerebral venous infarction who had severe prolonged vertigo, vomiting, occipital headache, positive head thrust testing, and unilateral caloric weakness as main clinical features. Although the patient had occipital headache, overall symptoms and signs closely mimicked those of acute peripheral vestibulopathy. Key Words : Peripheral vestibulopathy, Brain infarction

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