A one year old boy presented withhepatosplenomegaly and delayed milestones. Theliver biopsy and bone marrow biopsy revealedpresence of histiocytes with PAS-positive Diastaseresistantmaterial in the cytoplasm. Electronmicroscopicexamination of these histiocytes is mostlikely to reveal the presence of;
Parallel rays of tubular structures in lysosomes
Birbeck granules in the cytoplasm
Myelin figures in the cytoplasm
Parallel rays of tubular structures in lysosomes
Electron dense deposit in the mitochondria
Parallel rays of tubular structures in lysosomes