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Washington University Experience | MISCELLANEOUS | Familial erythrophagic lymphohistiocytosis | 1B10 Familial erythrophagic lymphohistiocytosis (Case 1) N9 H&E new 1
1B10,11 Higher magnification images show rare macrophages with engulfed red cells (arrow) . Most histiocytes have vacuolated cytoplasm, are located in the subarachnoid space in image 1B11 and nearly all do not contain hemosiderin (H&E)