Introduction Centronuclear myopathy is a hereditary congenital muscle disease. It is characterized by generalized muscle hypotonia from early childhood, elongated cacial appearance, mandibular undergroth, and dental malposition. In this report, we discuss the clinical course and management of a patient with centronuclearmyopathy, who developed a giant dental calculus in the floor of the mouth and underwent surgical excision. Case Report A 37‐year‐old Japanese man was referred to our hospital, and reported a swelling in the floor of the mouth. The patient affects centronuclear myopathy and has generalized muscle weakness. CT images showed a high‐density area in the floor of the mouth measuring 35 × 28 × 20 mm. The lesion was clinically diagnosed as giant dental calculus, and surgically removed. Conclusion We have experienced a case of giant dental calculus in a patient with centronuclear myopathy. In dental treatment, we must consider generalized muscle weakness.
Objectives: To describe cases of patulous Eustachian tube (PET) or patent ET conditions in oculopharyngeal muscular dystrophy (OPMD). Patients: Four cases of PET or patent ET conditions with OPMD. Main Outcome Measures: Clinical case records, objective ET function tests (tubo-tympano-aerodynamic graphy and sonotubometry), and swallowing function (videoendoscopic examination and Food Intake Level Scale) were analyzed. Results: Two cases of definite PET, one case of possible PET, and one case lacking aural symptoms with findings of patent ET. All patients have ptosis, and three cases have dysphagia. Body mass index indicated that three cases were underweight. Magnetic resonance imaging in case 4 showed atrophy and fat replacement of palatine and masticatory muscles. Conclusions: It is important to consider PET or patent ET conditions when OPMD patients describe aural symptoms.
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