Two emerging phenotypes of atypical inclusion body myositis: illustrative cases
Authors' conclusion
Despite the classical phenotype described within the literature IBM can present in a heterogenous fashion.
Study context
- Population
- Patients with atypical sporadic inclusion body myositis (IBM)
- Participants
- 5 patients
- Exposure
- Young-onset IBM vs Facial-bulbar phenotype
- Young-onset IBMn = 2
- Facial-bulbar phenotypen = 3
- Outcome
- Atypical IBM phenotypes
Main finding
As reported in the abstract
Young-onset IBM, symptoms since early thirties
2
Middle-aged women with early bilateral facial weakness, dysphagia and bulbar impairment, then respiratory failure requiring non-invasive ventilation (NIV)
3
Macroglossia within the facial-bulbar group
2
Observational data: associations, not effects.
Original publication
Two emerging phenotypes of atypical inclusion body myositis: illustrative cases. Clin Exp Rheumatol. Published 1 March 2023. doi:10.
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