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Signet-ring cell carcinoma of the appendix: a case report with an emphasis on sonographic findings

By Young Jong Cho, Hyuk Jung Kim, Suk Ki Jang, Jae Woo Yeon, Ki-Ho Kim and So Ya Paik

Abstract

In this report, we present a rare case of primary signet-ring cell carcinoma of the appendix in a 51-year-old woman with right lower quadrant pain. Since non-specific concentric appendiceal wall thickening was found in a radiologic evaluation, it was misdiagnosed as non-tumorous appendicitis. An in-depth examination of the correlation between sonographic and histopathologic findings demonstrated that a single markedly thickened hypoechoic layer was well correlated with the diffuse infiltration of tumor cells in both the submucosal and muscle layers. If this sonographic finding is observed in certain clinical settings, such as potential ovarian and peritoneal metastasis, submucosal infiltrative tumors, including signet-ring cell carcinoma, should be considered in the differential diagnosis

Topics: Carcinoma, signet ring cell, Ultrasonography, Appendix, Medical technology, R855-855.5
Publisher: Korean Society of Ultrasound in Medicine
Year: 2016
OAI identifier: oai:doaj.org/article:769775a1ea1d44b0bbb080cbc898aad4
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