Fig. 3From: Inverted urothelial papilloma of the upper urinary tract: description of two cases with systematic literature reviewExpression of the mismatch-repair proteins in two cases of IUP of the upper urinary tract (Case 1: a-d; Case 2: e-h). Nuclear staining for MLH1 (a, e), MSH2 (b, f), PMS2 (c, g) was observed in both cases, whereas the tumours showed loss of MSH6 expression (d, h)Back to article page