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What does Fatty Replacement mean in Duchenne (DMD)?

Fatty Replacement is a Duchenne (DMD) genetics term, explained for patients, families, and caregivers.

Category: DMD Genetics and Molecular Biology

Fatty Replacement

The replacement of damaged muscle tissue with fat as the disease progresses. In DMD, magnetic resonance imaging can detect changes in muscle composition, helping researchers evaluate disease severity and investigate whether a treatment may slow structural deterioration.

Updated November 3, 2026

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