ArticleRespiratory medicine case reports2025
Congenital tracheobronchomegaly (Mounier-Kuhn syndrome) in a 70-year-old nonsmoking male: A rare presentation in a low-resource setting.
Article in Respiratory medicine case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Mounier-Kuhn Syndrome (MKS), or congenital tracheobronchomegaly, is a rare disorder characterized by dilation of the trachea and main bronchi due to the atrophy of elastic and smooth muscle fibers. Though often associated with recurrent infections, it may be underdiagnosed, particularly in resource-limited settings. Case report: We present a 70-year-old Chadian male with a 3-month history of productive cough, dysphagia, and postprandial abdominal discomfort. He was a lifelong nonsmoker with no known history of chronic pulmonary disease. Imaging and bronchoscopy confirmed significant tracheobronchial dilatation consistent with MKS. Despite plans for further gastrointestinal intervention, socioeconomic factors impeded complete management. Conclusion: This case underscores the importance of considering MKS in older adults with chronic respiratory symptoms, even in the absence of typical risk factors. Early recognition is vital to avoid misdiagnosis and improve outcomes, especially in low-resource environments.
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