MCQ – 89100


A 4-year-old boy presents with repeated infections, bone pains, short stature. O/E there was pallor, multiple old skin lesions/rashes, and wasting. Skull radiograph was s/o multiple lytic lesions. bone marrow biopsy showed special cells which showed. Immunohistochemistry and cytology studies showed cells being positive for S-100, CD1a, and CD207. What are the cells shown in the image referred to as:

A. Tingible body macrophage


Downey cells


Blast cells


Birbeck’s granules

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