ALL (acute lymphoblastic leukemia)
B and T Ab stains
AML
B and T Ab stains
multiple myeloma (plasma cell myeloma)
BM examination
hairy cell leukemia
marrow bx: ‘dry tap’ bc tumorcells trapped in ECM
Unifocal Unisystem Langerhans Cell Histiocytosis (eosinophilic granuloma)
Langerhans cells w mixed inflammatory cells (numerous eos).