Comorbid Cupulolithiasis Is Rare in Patients With Horizontal Semicircular Canal Canalolithiasis.

Objectives: Considering that otolith particles pass through the canal until attaching to the cupula in the canal-side horizontal semicircular canal (HSCC) cupulolithiasis, comorbidity of HSCC canalolithiasis and cupulolithiasis may occur. We aimed to investigate the incidence of comorbidity of cupulolithiasis in patients with HSCC canalolithiasis and to improve treatment efficacy.

Study Design: Retrospective study.

Temporomandibular joint herniation into the middle ear: A rare cause of mastication-induced tinnitus.

A 75-year-old patient complained of mastication-induced clicking tinnitus on the left side, and otoendoscopic examination revealed that the left tympanic membraneTM was outwardly bulged by clenching her teeth. Temporal bone computed tomography demonstrated that the posteromedial bony wall of the glenoid was partially dehiscent, allowing herniation of soft tissue contents of temporomandibular joint into the middle ear. Increased middle ear pressure due to soft tissue herniation can induce left tympanic membrane bulging and accompanying clicking tinnitus.

Benign Paroxysmal Positional Vertigo in the Elderly: A Single-center Experience.

Objectives: Dizziness and balance problems are common in the elderly, and benign paroxysmal positional vertigo (BPPV) is one of the most common causes of dizziness. The aim of this study is to investigate the subtype distribution of geriatric BPPV in a single tertiary referral center, and compare the treatment efficacy according to the subtype of BPPV.

Study Design: Retrospective study.

Atypical clinical manifestations of herpes zoster oticus: diagnostic usefulness of magnetic resonance imaging.

Typical symptoms of Ramsay Hunt syndrome (RHS) consist of painful vesicular eruptions in the external ear, unilateral facial palsy, and/or vestibulocochlear deficit. When RHS patients show atypical clinical manifestations, correct diagnosis can be delayed, and ideal treatment timing for antiviral therapy may be missed. The aim of this study is to describe RHS patients with atypical clinical manifestations and evaluate the usefulness of magnetic resonance imaging (MRI) for early differential diagnosis.

Direction-Changing Positional Nystagmus in Acute Otitis Media Complicated by Serous Labyrinthitis: New Insights into Positional Nystagmus.

Objective: To demonstrate characteristic nystagmus findings in acute otitis media (AOM) complicated by serous labyrinthitis and discuss the mechanism of direction-changing positional nystagmus (DCPN) in this condition.

Patients: A patient with AOM complicated by serous labyrinthitis on the left side.

Intervention: Video nystagmography and 3D fluid attenuated inversion recovery (FLAIR) magnetic resonance imaging (MRI).

Utility of the bow and lean test in predicting subtype of benign paroxysmal positional vertigo.

Objectives/hypothesis: To investigate the role of the bow and lean test (BLT) in the diagnosis of benign paroxysmal positional vertigo (BPPV).

Study Design: Retrospective case-control study.

Methods: Between March 2015 and June 2017, we enrolled 113 patients with posterior semicircular canal (PSCC) BPPV, 74 patients with lateral semicircular canal (LSCC) canalolithiasis, 53 patients with LSCC cupulolithiasis, and 32 patients with light cupula.