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Case Reports
. 2009 Feb 21;15(7):888-91.
doi: 10.3748/wjg.15.888.

Signet-ring cell carcinoma of ampulla of Vater: contrast-enhanced ultrasound findings

Jin-Mei Gao  1 , Shao-Shan Tang, Wei Fu, Rong Fan
Affiliations
Case Reports

Signet-ring cell carcinoma of ampulla of Vater: contrast-enhanced ultrasound findings

Jin-Mei Gao et al. World J Gastroenterol. .

Abstract

Signet-ring cell carcinoma (SRCC) of ampulla of Vater is extremely uncommon, and less than 15 cases have been reported so far in literature. It mainly occurs in elderly people (median age 57 years). We report a rare case of SRCC of the ampulla of Vater in a 38-year-old woman who presented with a small tumor at the Vater, discovered by the contrast-enhanced ultrasound (CEUS). Histopathological examination showed prominent signet-ring features. We also describe the imaging features of SRCC of ampulla of Vater in CEUS.

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Figures

Figure 1
Figure 1
A heterogenic and hypoechoic mass (MASS) with ill-defined margin about 2.7 cm × 1.8 cm at the junction of the CBD and MPD.
Figure 2
Figure 2
The end part of the CBD (arrow), which suddenly became narrow with a diameter of 0.7 cm. There was no exact mass detected.
Figure 3
Figure 3
The wall of the CBD enhanced at 12 s after contrast agent was administered, while there was no obvious hyper-enhanced or hypo-enhanced lesion in the ampulla of Vater.
Figure 4
Figure 4
A hypo-enhanced lesion about 1.7 cm × 1.6 cm with blurred borders in the ampulla of Vater, from 20 s to 180 s, in comparison with the adjacent pancreas Pac.
Figure 5
Figure 5
Micrograph shows SRCC of ampulla of Vater (HE × 100).
See this image and copyright information in PMC

References

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