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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Neuropathol Exp Neurol. 2011 Jul;70(7):596–609. doi: 10.1097/NEN.0b013e31822146ca

Figure 4.

Figure 4

Immunostaining for ppRB and E2F1 in atypical teratoid/rhabdoid (AT/RT) and non-CNS malignant rhabdoid tumor (MRT). (A) Moderate (2+) staining with ppRB in non-CNS MRT. (B) Semiquantitative estimation of ppRB staining showing focal weak to moderate expression in both AT/RT and non-CNS MRT. (C) Representative image demonstrating negative E2F1 staining (score = 0) in a non-CNS MRT. (D) Semiquantitative estimation of sE2F1 showing no staining in all cases of both AT/RT and non-CNS MRT. The y-axes in B and D represent a semiquantitative measure of the product of staining intensity and percentage of positive cells in each case.