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Washington University Experience | MISCELLANEOUS | Familial erythrophagic lymphohistiocytosis | 3D1 HLH, Perforin1 mutation (Case 3) H&E 1 4X best
3D1-6 series of images shows the same tissue fragment at 4X magnification is stained using multiple methods to identify selected cellular elements: ---- Initial neurosurgical specimen stained with routine H&E method.