PMC5472142_01
Computed tomography of the abdomen demonstrating a cystic mass in the right lower quadrant.
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Due to a concern for malignancy, her gynecologist ordered a computed tomography scan, which identified an appendiceal mass (9.5 x 3.7 cm) with no other abnormalities (Fig. 1).
Colonoscopic findings of the appendiceal mass protruding through the appendiceal orifice into the cecum.
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A colonoscopy identified a tumor at the appendiceal orifice, which was found upon biopsy to contain intestinal mucosa with hyperplastic changes, without evidence of dysplasia or carcinoma (Fig. 2).
PMC5472142_02
Computed tomography of the abdomen demonstrating a cystic mass in the right lower quadrant.
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A 79 year-old man, with a history of intraductal papillary mucinous neoplasm of the pancreas, melanoma, and prostate cancer, was undergoing surveillance for his previous cancers when he was identified on computed tomography to have a 2.2 x 2 cm lesion abutting his appendix (Fig. 3).
Pathologic sectioning of the masses, with mucus noted extruding from the masses. (a) Case 1 and (b) Case 2.
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The specimen was intact and not ruptured (Fig. 4).