1K-4 Differentiation of Dystrophic and Normal Skeletal Muscle Tissues with Energy and Entropy Images Acquired In Vivo from the Biceps of mdx and Wild-Type Mice

Duchenne muscular dystrophy is a severe wasting disease, involving replacement of necrotic muscle tissue by fibrous material and fatty infiltrates. One primary animal model is the X chromosome-linked mdx strain of mice, which exhibit a clinical phenotype comparable to a mild expression of Duchenne muscular dystrophy in humans. The goals of the present work were to validate and quantify the capability of both energy and entropy metrics of radio-frequency ultrasonic backscatter to differentiate among normal, dystrophic, and steroid treated skeletal muscle in the mdx model