PMC5852305_01
Computed tomography showing large-volume, loculated abdominal ascites (arrows).
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F1
Computed tomography (CT) of the abdomen and pelvis revealed loculated abdominal ascites with nodular thickening of some of the septations (Figure 1).
The first of five 1.5-L bottles that were filled during paracentesis containing thick, jelly-like ascites.
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F2
Paracentesis removed 7.5 L of mucinous, jelly-like fluid notable for white blood cells 680/muL, polymorphonuclear leukocytes 204/muL, red blood cells 925/muL, lymphocytes 30%, and monocytes of 40% (Figure 2).
Colonoscopy showing a 2.6 x 2.0-cm mass in the transverse colon.
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F3
Colonoscopy was required due to transverse colon thickening on CT of the abdomen and pelvis, and this revealed a 20-mm submucosal nodule in the transverse colon (Figure 3).
(A) Infiltrating population of monotonous epithelioid cells within the muscularis mucosa and submucosa (arrows). (B) Immunohistochemical study for calretinin highlights the tumor cells (arrow).
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F4
There was no significant reactivity for CK20, BerEp4, MOC31, PAX8, chromogranin, or CDX2 (Figure 4).