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Spontaneous Resolution of Pharyngeal Myoclonus in a Child: An Uncommon Case With Objective Clicking Sounds
Koji Yokoyama1, Mitsukazu Mamada1
1Department of Pediatrics, Japanese Red Cross Wakayama Medical Center, Wakayama, JPN.
Insights
Pediatric pharyngeal myoclonus, a rare condition causing rhythmic throat contractions, can present with ear clicking. This case resolved spontaneously in a child, suggesting a benign, self-limiting course.
Area of Science:
- Neurology
- Pediatrics
- Movement Disorders
Background:
- Pharyngeal myoclonus is a rare movement disorder.
- Characterized by rhythmic pharyngeal contractions.
- Typically seen in adults with neurological lesions, rarely in children.
Abstract:
Pharyngeal myoclonus is a rare movement disorder characterized by rhythmic pharyngeal contractions, typically reported in adults with neurological lesions and rarely in children. We report a seven-year-old girl who experienced involuntary clicking sounds localized to the right ear. Nasopharyngoscopy revealed pharyngeal myoclonus without structural abnormalities, and brain and laryngeal MRI were unremarkable. No intervention was performed, and symptoms resolved spontaneously over 12 months, coinciding with increased familial support in response to suspected psychosocial stress. This case highlights the benign, self-limiting nature of pediatric pharyngeal myoclonus and suggests that conservative management may be appropriate, particularly when environmental or psychological factors are the suspected contributors.
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