A young female patient with conductive hearing loss was referred to our department in Kyushu Univesity Hospital. Since the results of several examinations indicated otosclerosis in the affected ear, she underwent stapes surgery to improve the hearing level. The stapes surgery was successful, but her hearing level remained poor. She underwent reoperation for improvement a year after the first surgery. A teflon piston was precisely inserted into the hole of the foot plate, and the movement of the other ossicles was good. We therefore performed temporal computed tomography again and found ossification of the round window niche. This ossification is rare among causes of a poor improvement in the hearing level. We need to carefully consider the computed tomography findings of the round window before performing stapes surgery.

The purpose of this study was to confirm the effect of hydration treatment on the recurrence of benign paroxysmal positional vertigo (BPPV). We studied 101 patients with BPPV treated at the Nagano Matsushiro General Hospital between 2012 and 2014. All patients were diagnosed as having BPPV according to criteria of the Japan Society for Equilibrium Research. Forty-three patients received drug treatment and canalith repositioning (Group 1), and 58 patients received hydration treatment (Group 2). The number of subjects experiencing a recurrence of BPPV in Group 1 was 14 (33%) versus 7 subjects (12%) in Group 2. The present study indicates that hydration treatment is associated with a reduction in the rate of recurrence of BPPV.

Reports of dental maxillary sinusitis as a complication associated with implant treatment are sporadic. As an initial response, we first try to calm the acute inflammation by dosing；however, the need to remove the implant body and bone filler in intractable cases has not yet been confirmed. We experienced two cases in which endoscopic nasal sinus surgery (ESS) was performed for maxillary sinusitis due to implant treatment. The common points of these two cases were inflammation causing narrowing of the root of the middle nasal passage and a high value of IgE, as well as positivity for multiple allergies. ESS and treatment for allergic rhinitis made it possible to heal the implant body while preserving the bone filler.

A 50-year-old female complained of discomfort when swallowing from a year earlier. Based on the findings of an image examination, we diagnosed her with an esophageal submucosal tumor. Because the tumor showed a growing tendency and metastasis could not be denied, and because she had subjective symptoms such discomfort when swallowing, we performed tumor resection for treatment under the policy of our institution. The tumor was localized in the esophageal muscle layer, and the resected specimen was 37 × 31 mm in size. The lesion was diagnosed as schwannoma from the esophagus based on the intraoperative and histopathological findings. The postoperative course was good, and she was discharged on the 10th postoperative day. We herein report a case of esophageal schwannoma removed via the cervical approach with a review of the related literature.

Recently, conventional rotation test (CR-test) is not agreed with important examination for patients of vestibular disorder. In the CR-test, the laterality of the vestibular disorder could not be known because the bilateral semicircular canals are stimulated at the same time when a head turns. In the other hand, the unilateral semicircular canal is stimulated at the caloric test. Therefore, caloric test is more poplar examination than CR-test however caloric test is unpleasant for patients. Observation of nystagmus after turns is important also in the CR-test, therefore patients with forced nystagmus after stimulation feel unpleasantness such as a wide berth. In this report, abnormality of the space perception was shown with quantification by the improved CR-test. This test is not invasive for patient at all, and is available simple using a revolving chair without any special equipment. Recommended movement of a revolving chair is 1/12-1/20 Hz and 90 degrees turn. When the chair is rotated to 90 degrees, the normal and nearly recovered subjects respond as “90 degrees”. In the other hand, patients of vestibular disorder responded the false degrees. Subjective rotation degree when the chair turned at 90 degrees was also recovered to normal after the vestibular function was recovered.