This muscle biopsy is taken from a 14 year old boy. Which of the following is correct:

1. The pathologic changes can also be visualized by oxidative enzyme reactions such as succinate dehydrogenase.

2. This is a modified Gomori’s trichrome preparation.

3. The central nervous is probably also affected.

4. The subsarcolemmal deposition is resulted from abnormal lipid accumulation due to carnitine deficiency.

A. I, 2, and 3 are true.

B. Only 1 and 3 are true.

C. Only 2 and 4 are true.

D. Only 4 is true.

E. None of the above.

Answer and Discussion

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