• | AR; giant lysosomal granules in a variety of cells |
• | neutrophils – defective phagocytosis --> recurrent bacterial infections (Staph): skin, sinusitis, pneumonia |
• | melanocytes – pigmentary dilution --> slate gray skin; hair light blond with silver sheen |
• | neurons – progressive neurologic degeneration |
• | diagnosis – CBC reveal giant granules in neutrophils |
• | ddx – albinism, chronic granulomatous disease |
• | prognosis – death by late childhood from overwhelming infection or hemorrhage during lymphoma-like phase |
• | accelerated phase ~ 85% of patients; lymphoma-like |
• | treatment - bone marrow transplant (early; before the accelerated phase takes place) |
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