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Determination of the Primary Organ is Difficult for Poorly Differentiated Adenocarcinoma with Signet-Ring Cells of the Esophagus and Urinary Bladder

Mutsushi Matsuyama, Masafumi Kajita, Tomohiko Hirata, Osamu Kuriki, Kazuo Kato, Kazuhiro Sentani

Abstract


Introduction: Diagnosis of poorly differentiated adenocarcinoma with signet-ring cells of the esophagus and urinary bladder is very difficult.

Presentation of Cases: We report 2 cases of poorly differentiated adenocarcinoma with signet-ring cells, 1 in the esophagus and 1 in the urinary bladder.

Conclusion: Infiltration of cells of poorly differentiated adenocarcinoma with signet-ring cells occurs in early stage of the cancer development. Therefore, complete removal is difficult for these cancers of the esophagus and urinary bladder.


Keywords


Poorly differentiated adenocarcinoma with signet-ring cells; Primary site; Esophagus; Urinary bladder

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References


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