This specimen is obtained from a newborn infant with severe muscle weakness and hypotonia. The most likely diagnosis illustrated by this semithin section is:

A.  Hereditary motor sensory neuropathy (Charcot-Marie-Tooth syndrome).

B.  X-linked myotubular myopathy.

C.  Central core disease.

D.  Duchenne muscular dystrophy.

E.  Inclusion body myositis.

Answer and Discussion

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