A one-year-old boy presented with hepatosplenomegaly and delayed milestones. The liver biopsy and bone marrow biopsy revealed presence of histiocytes with PAS positive cytoplasm. Electron microscopic examination of these histiocytes is most likely to reveal the presence of:

Question

Accepted Answer

Birbeck granules in the cytoplasm

Answer

Myelin figures in the cytoplasm

Answer

Parallel rays of tubular structures in lysosomes

Answer

Electron dense deposit in the mitochondria

A one-year-old boy presented with hepatosplenomegaly and delayed milestones. The liver biopsy and bone marrow biopsy revealed presence of histiocytes with PAS positive cytoplasm. Electron microscopic examination of these histiocytes is most likely to reveal the presence of:

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