(a)-(d): The bone marrow biopsy shows mild hypercellularity (a, H&E 200×) and mild to moderate fibrosis (b, Reticulin stain, 200×). CD79a (c, 200×) and CD3 (d, 200×) immunostains highlight lymphoid ...
Musculoskeletal disorders affect the bones, joints, muscles, and connective tissue. Many musculoskeletal disorders may occur in children, and some types are more common than others. Musculoskeletal ...
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