PMID: 3766141Jun 1, 1986Paper

Squamous cell carcinoma of the urachus. A case report and review of literature

Acta Pathologica Japonica
A JimiY Iwata

Abstract

A rare case of squamous cell carcinoma (SCC) is reported. A cystic tumor, measuring 4 X 4 cm was surgically removed from the supravesical portion in a 77-year-old woman. Macroscopically, it had a communicating canal to the urinary bladder. Microscopically, well differentiated squamous cell carcinoma with pearl formation was noted. An aspiration biopsy was helpful for the histopathological diagnosis at operation. The patient developed purulent peritonitis because of rupture of the tumor which was vulnerable to infection. Six documented cases and the present case were reviewed. The tumors were classified into two types on morphological features: supravesical type and intramural type. Site and local extension of the tumor accounted for clinical features of each type. The authors considered that SCC cells were derived from totipotential epithelial lining of the urachal remnant.

References

Aug 1, 1977·British Journal of Urology·B D PujariS G Deodhare
Dec 1, 1977·The Journal of Urology·R Y LinW Katz
Oct 1, 1970·British Journal of Urology·A D BeckD G Bonham
Jul 1, 1967·The Journal of Urology·C CornilC J Kickham
Jan 1, 1982·The Journal of Urology·G E SchubertB A Bethke-Bedürftig
Jul 1, 1955·Cancer·F K MOSTOFIA L DEAN
Mar 1, 1958·British Journal of Urology·R E SHAW

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