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Figure 34b.  Diffuse adenomyomatous hyperplasia in a 48-year-old woman with postprandial pain. (a) Longitudinal US image of the gallbladder shows diffuse gallbladder wall thickening with areas of polypoid nodularity. (b) Photograph of the opened resected gallbladder shows hemorrhagic gallbladder mucosa with multiple, small, cystic spaces in the wall (arrows). Some of the cystic spaces contained pigmented calculi.