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As therapies for hereditary neuromuscular diseases are developed, the need for presymptomatic genetic testing and genetic counseling for early treatment is expected to increase. In Japan, there is no uniformly recommended protocol for presymptomatic genetic testing. In order to provide basic data for the establishment of a presymptomatic genetic testing system, we surveyed medical genetics departments in Japan about their current status (response rate: 67.4%). The questionnaire survey revealed that approximately 60% of facilities had established their own procedures for presymptomatic genetic testing, but the approaches used varied from facility to facility. The interview survey enabled us to identify the essential factors for the establishment of a presymptomatic genetic testing system for each case, each facility, and at the overall level. In the future, there is a need to develop a standardized protocol to help establish a presymptomatic genetic testing system.

A 21-year-old man with chief complaints of left hypochondriac and chest pain was shown to have multiple masses in the lung, a pleural effusion in the right cavum thoracis, a mediastinal mass, and lymphadenopathy detected by computed tomographic scan. He was diagnosed with an extragonadal germ cell tumor based on pathologic findings from lung biopsies and elevation of the serum total human chorionic gonadotropin. He underwent a reduced chemotherapy regimen consisting of bleomycin, cisplatin, and etoposide (reduced BEP) to lower the risk of acute respiratory distress syndrome (ARDS), a manifestation of choriocarcinoma syndrome, which occurs at induction chemotherapy with the full-dose BEP regimen. Choriocarcinoma syndrome did not develop during chemotherapy, and he has been disease-free since salvage chemotherapy and subsequent retroperitoneal lymph node dissection.

Objectives: The prevalence rate of migraines is 8.4%; it is mostly diagnosed in women at 20s to 40s, and is known to cause major physical and mental disruption to daily life. This study was conducted on women aged between their 20s and 40s, in order to investigate the possible differences in the features of the occlusal state between a migraine and a non-migraine (control) group.Methods: Age-matched female patients with migraine (n = 60) diagnosed by headache specialists and healthy controls (n = 57) were enrolled. Dental casts were used to evaluate some features.Results: The maxillary and mandibular dentition casts from the migraine group showed significantly characteristic findings in their Angle’s classification, overjet, and deviation in the anterior tooth midline, compared to the control group.Discussion: The results relating occlusal state to both tension-related headaches and migraines, which have different pathogeneses, suggest the possibility of dental intervention to improve the symptoms of prim...

Objectives: Details on grinding patterns and types of contact during sleep bruxism in association with migraine headache have not yet been elucidated. This study compared the characteristics of sleep bruxism between patients with migraine and controls.Methods: The study included 80 female patients who had been diagnosed with migraine and 52 women with no history of migraine. Grinding patterns were measured using the BruxChecker® (Scheu Dental, Iserlohn, Germany).Results: There was a significant difference between the two groups in the distribution of grinding patterns at the laterotrusive side (p