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Pathol Res Pract. 2004;200(10):707-12.

Signet ring cell infiltration in tubular adenoma of ascending colon.

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  • 1Institute of Pathology, Barzilai Medical Center, Ashkelon, Israel.


We present a case of signet ring cell infiltration in an adenomatous polyp of the ascending colon and review the literature. The patient had undergone resection of a mucin-producing adenocarcinoma of the proximal sigmoid colon seven months before the findings were reported. We presume that the signet ring cell aggregates are of metastatic origin.

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