Fig. 6From: A patient with colitis-associated cancer who developed clinically manifest Crohn’s disease only after surgeryMicroscopic findings of the dysplasia indicated by blue line in Fig. 3b (a HE ×20, b alcian blue—PAS ×10). a, b Low- and high-grade dysplasia in this lesion had alcian blue-positive mucin in the supra-nuclear areaBack to article page