FIGURES AND TABLES
FROM:
The Coexistence of Low-Grade Mucinous Neoplasms of the Appendix and Appendiceal Diverticula: A Possible Role in the Pathogenesis of Pseudomyxoma Peritonei
Laura W Lamps, George F Gray Jr., Bradley R Dilday and Mary Kay Washington
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FIGURE 1.
A, appendiceal cystadenoma involving diverticulum that penetrates between muscle bundles (arrow) at the vascular hiatus (hematoxylin and eosin, 40 
). B, higher power view showing adenomatous epithelium present within diverticulum (100 ).
FIGURE 2.
Adenomatous epithelium within diverticulum with marked associated acute inflammation (hematoxylin and eosin, 100 ).
FIGURE 3.
Marked attenuation of the appendiceal wall and lymphoid atrophy within a diverticulum involved by a cystadenoma (hematoxylin and eosin, 40 ).
FIGURE 4.
Typical epithelium of a cystadenoma with pseudostratified, columnar cells containing elongated, crowded, hyperchromatic nuclei and scattered, well-defined goblet cells (hematoxylin and eosin, 400 ).
FIGURE 5.
Appendiceal adenoma with circumferential, villous epithelium resembling colonic adenoma (hematoxylin and eosin, 40 ).
FIGURE 6.
A, ruptured appendiceal diverticulum containing adenomatous epithelium (hematoxylin and eosin, 40 ). B, associated pseudomyxoma peritonei characterized by pools of mucin containing very rare clusters of low-grade epithelium (200 ).
