CTICasesDuchenne Muscular Dystrophy
Imaging findings
Chest CT and radiograph show extremely low lung volumes and high positions of both hemi-diaphragms, forming a shallow arc all the way to the posterior chest wall. There is severe atrophy and fatty replacement of the paraspinal, chest wall, and diaphragmatic muscles.
Key takeaways
Duchenne muscular dystrophy is a progressive congenital muscle disease that causes severe diaphragmatic weakness and atrophy, resulting in persistently low lung volumes and elevated diaphragms with a shallow posterior slope.
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