Adenocarcinoma in Villous Adenoma
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![UrinaryBladder_Glandular_VA11_CA.jpg](/slides-13/slides/UrinaryBladder_Glandular_VA11_CA.jpg)
Comments:
Infiltrating adenocarcinoma arising in a villous adenoma of urinary bladder. Despite the low-grade cytologic features, the presence of distorted glands filled with mucin situated deeply within the muscularis propria was unequivocal for invasion. Many glands have ruptured spilling their mucin inciting a stromal reaction.