Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content +++ X.F.001 CD117 Immunostain for Mast Cells ++ Graphic Jump LocationView Full Size||Download Slide (.ppt) X.F.001 CD117 immunostain for mast cells. Marrow section in patient with systemic mastocytosis. Mast cells react with a brown color reaction indicating presence of KIT. +++ X.F.002 Tryptase Stain for Mast Cells ++ Graphic Jump LocationView Full Size||Download Slide (.ppt) X.F.002 Tryptase stain for mast cells. Marrow section in patient with systemic mastocytosis. Mast cells react with a brown color reaction indicating presence of tryptase. +++ X.F.003 CD1a and S100 Stain for Langerhans Cell Histiocytosis ++ Graphic Jump LocationView Full Size||Download Slide (.ppt) X.F.003 CD1a and S100 stain for Langerhans cell histiocytosis. Composite image shows (A) characteristic H&E morphologic appearance with sheets of Langerhans histocytes showing nuclear grooves. A few eosinophils are noted. The Langerhans cells react with the immunohistochemical stain for (B) CD1a and (C) S100. Your MyAccess profile is currently affiliated with '[InstitutionA]' and is in the process of switching affiliations to '[InstitutionB]'. Please click ‘Continue’ to continue the affiliation switch, otherwise click ‘Cancel’ to cancel signing in. Get Free Access Through Your Institution Learn how to see if your library subscribes to McGraw Hill Medical products. Subscribe: Institutional or Individual Sign In Username Error: Please enter User Name Password Error: Please enter Password Forgot Username? Forgot Password? Sign in via OpenAthens Sign in via Shibboleth