Urachal Mucinous Cystic Tumor of Low Malignant Potential with Concurrent Sigmoid Colon Adenocarcinoma

Figure 2

(a) Cyst wall showing fibromuscular wall and surface epithelial lining (20X Magnification). (b) Cyst epithelial lining with nuclear pseudostratification (H&E 200X Magnification). (c) Cyst with an area of simple papillary architecture (H&E 100X Magnification). (d) Cyst showing epithelial expression of CDX2 by immunohistochemistry (100X Magnification).