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Primary peritoneal low-grade serous carcinoma forming a mass in the colon mimicking a colonic primary carcinoma: a case report

  • T. A. Tran1,*,
  • R. W. Holloway2

1,Department of Pathology

2Department of Gynecological Oncology, Florida Hospital Orlando, Orlando, Florida (USA)

DOI: 10.12892/ejgo340117 Vol.34,Issue 1,January 2013 pp.86-89

Published: 10 January 2013

*Corresponding Author(s): T. A. Tran E-mail: trannguyentienanh@hotmail.com

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Abstract

Primary carcinomas of Müllerian origin involving the colon is not an uncommon phenomenon, with most cases reportedly associated with endometriosis. On the other hand, a primary peritoneal low-grade serous carcinoma presenting as a dominant mass in the colon and causing clinical symptoms mimicking a primary colonic carcinoma has not been reported in the literature to the best of the authors’ knowledge. A case of a 66-year-old female patient who presented clinically with rectal bleeding and a rectosigmoid mass is described. The final histologic examination revealed a peritoneal low-grade serous carcinoma forming a dominant mass in the rectosigmoid colon. Of particular interest was a microscopic spectrum of serous epithelial proliferation in the peritoneal cavity and lymph nodes with morphologic features reminiscent of non-invasive and invasive implants in ovarian borderline serous tumors, which most likely denoted the precursors of the tumor in the colon.

Keywords

Peritoneal; Low-grade serous carcinoma; Colonic mass.

Cite and Share

T. A. Tran,R. W. Holloway. Primary peritoneal low-grade serous carcinoma forming a mass in the colon mimicking a colonic primary carcinoma: a case report. European Journal of Gynaecological Oncology. 2013. 34(1);86-89.

URL:

https://www.ejgo.net/articles/10.12892/ejgo340117

References

[1] Yang Q., Wang H., Cho H.Y., Shen S.S.: “Carcinoma of müllerian origin presenting as colorectal cancer: a clinicopathologic study of 13 cases”. Ann. Diagn. Pathol., 2011, 15, 12.

[2] Kondi-Pafiti A., Spanidou-Carvouni H., Papadias K., Smyrniotis V.: “Malignant neoplasms arising in endometriosis: clinicopathological study of 14 cases”. Clin. Exp. Obstet. Gynecol., 2004, 31, 302.

[3] Malpica A., Deavers M.T., Lu K., Bodurka D.C., Atkinson E.N., Gershenson D.M., Silva E.G.: “Grading ovarian serous carcinoma using a two-tier system”. Am. J. Surg. Pathol., 2004, 28, 496.

[4] Djordjevic B., Clement-Kruzel S., Atkinson N.E. et al.: “Nodal endosalpingiosis in ovarian serous tumors of low malignant potential with lymph node involvement: a case for a precursor lesion”. Am. J. Surg. Pathol., 2010, 34, 144.

[5] Groisman G.M., Meir A., Sabo E.: “The value of Cdx2 immunostaining in differentiating primary ovarian carcinomas from colonic carcinomas metastatic to the ovaries”. Int. J. Gynecol. Pathol., 2004, 23, 52.

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