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Vol 12, No 5 (2007)
Untitled
Published online: 2007-09-01
Submitted: 2007-03-27
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Giant urothelial carcinoma of unknown origin invading the sigmoid mesocolon – a case report

Agnieszka Kołacińska, Józef Howaniec, Jan Rykała, Maciej Stańczyk, Mariusz Pawlak, Zbigniew Morawiec
DOI: 10.1016/S1507-1367(10)60068-5
·
Rep Pract Oncol Radiother 2007;12(5):289-292.

open access

Vol 12, No 5 (2007)
Untitled
Published online: 2007-09-01
Submitted: 2007-03-27

Abstract

Background

Transitional cell carcinoma, also called urothelial carcinoma, is the most common malignancy of the urinary bladder. Additionally, it can develop in the lining of the renal pelvis, ureter, prostate and urethra. Exceptionally, cancer can arise from the urachus. Also primary transitional cell carcinoma of the endometrium or ovary is a rare entity.

Aim

The aim of this article was to present a case of giant urothelial carcinoma of unknown origin invading the sigmoid mesocolon.

Case Report

We report a rare case of urothelial carcinoma invading the sigmoid mesocolon in a 60-year-old female admitted to our department. The patient presented with a 25-cm intra-abdominal mass and 6-cm ulcerated lesion at the top of the umbilicus. Laparotomy was performed which demonstrated a huge polycystic and solid tumour of the sigmoid mesentery infiltrating the sigmoid colon and appendix. Appendectomy and resection of the tumour with an infi ltrated sigmoid loop were performed. A right ovarian cyst – not contiguous to the aforementioned tumour – was found at the time of the operation and excised. We also removed the 6-cm skin lesion in the umbilical area.

Histopathological examination revealed urothelial carcinoma with squamous cell metaplasia of the sigmoid mesocolon with bowel and umbilical invasion.

Concurrent desmoid cyst (mature teratoma) of the right ovary was found.

Conclusions

In conclusion, this patient with a sigmoid mesocolon invasion from urothelial carcinoma of unknown origin posed a diagnostic dilemma.

Abstract

Background

Transitional cell carcinoma, also called urothelial carcinoma, is the most common malignancy of the urinary bladder. Additionally, it can develop in the lining of the renal pelvis, ureter, prostate and urethra. Exceptionally, cancer can arise from the urachus. Also primary transitional cell carcinoma of the endometrium or ovary is a rare entity.

Aim

The aim of this article was to present a case of giant urothelial carcinoma of unknown origin invading the sigmoid mesocolon.

Case Report

We report a rare case of urothelial carcinoma invading the sigmoid mesocolon in a 60-year-old female admitted to our department. The patient presented with a 25-cm intra-abdominal mass and 6-cm ulcerated lesion at the top of the umbilicus. Laparotomy was performed which demonstrated a huge polycystic and solid tumour of the sigmoid mesentery infiltrating the sigmoid colon and appendix. Appendectomy and resection of the tumour with an infi ltrated sigmoid loop were performed. A right ovarian cyst – not contiguous to the aforementioned tumour – was found at the time of the operation and excised. We also removed the 6-cm skin lesion in the umbilical area.

Histopathological examination revealed urothelial carcinoma with squamous cell metaplasia of the sigmoid mesocolon with bowel and umbilical invasion.

Concurrent desmoid cyst (mature teratoma) of the right ovary was found.

Conclusions

In conclusion, this patient with a sigmoid mesocolon invasion from urothelial carcinoma of unknown origin posed a diagnostic dilemma.

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Keywords

urothelial carcinoma; sigmoid mesocolon invasion

About this article
Title

Giant urothelial carcinoma of unknown origin invading the sigmoid mesocolon – a case report

Journal

Reports of Practical Oncology and Radiotherapy

Issue

Vol 12, No 5 (2007)

Pages

289-292

Published online

2007-09-01

DOI

10.1016/S1507-1367(10)60068-5

Bibliographic record

Rep Pract Oncol Radiother 2007;12(5):289-292.

Keywords

urothelial carcinoma
sigmoid mesocolon invasion

Authors

Agnieszka Kołacińska
Józef Howaniec
Jan Rykała
Maciej Stańczyk
Mariusz Pawlak
Zbigniew Morawiec

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