PMC2816854_01
Sonographic finding showing a well-defined round cystic mass adjacent to the gallbladder, the lesion is filled with echogenic materials.
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F1
U/mL, normal 0-5 U/mL). Ultrasound sonography showed a cystic mass adjacent to the gallbladder (Fig. 1).
Post-contrast sequential axial abdominal CT scan shows a well-defined round cystic mass at the inferomedial aspect of the gallbladder. The internal density of the cystic mass appears as a subtle increase than that of the gallbladder.
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F2
Abdominal CT showed a well defined and circumscribed, cystic mass 3x2.5 cm in size at the inferomedial aspect of the gallbladder (Fig. 2).
On operation, the mass is ovoid and cystic and is attached to the normal gallbladder and liver bed.
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F3
At laparotomy, a 3 cm-sized cystic mass was discovered adherent to the gallbladder (Fig. 3).
The cut section of the specimen shows a single large cystic cavity, containing a thick brownish mucoid fluid.
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F4
On opening the specimen revealed one large cystic cavity, which contained thick brownish mucoid fluid (Fig. 4).
Cyst lining is composed of respiratory type epithelium, underlying lamina propria, and smooth muscle (A, H&E, x40). Pseudostratified ciliated columnar epithelial cells are interspersed occasionally with goblet cells (arrow head) (B, H&E, x200).
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F5
Microscopically, the cyst is lined by a layer of pseudostratified ciliated columnar epithelial cells occasionally interspersed with goblet cells (Fig. 5).