18F-FDG PET/CT in a Case of Urothelial Carcinoma in the Urachus Presenting as Colon Cancer

Urachal cancer arises from an embryologic remnant of the urogenital sinus and allantois and accounts for approximately 1% of bladder malignancies. The most encountered histologic subtype is adenocarcinoma. We present a 76-year-old man suspected to have an advanced sigmoid cancer infiltrating nearby...

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Autores principales: Andersen, Jeannette D., Fabrin, Knud, Petersen, Astrid, Zacho, Helle D.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Interesting Images
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8774599/
https://www.ncbi.nlm.nih.gov/pubmed/35054198
http://dx.doi.org/10.3390/diagnostics12010031
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author Andersen, Jeannette D.
Fabrin, Knud
Petersen, Astrid
Zacho, Helle D.
author_facet Andersen, Jeannette D.
Fabrin, Knud
Petersen, Astrid
Zacho, Helle D.
author_sort Andersen, Jeannette D.
collection PubMed
description Urachal cancer arises from an embryologic remnant of the urogenital sinus and allantois and accounts for approximately 1% of bladder malignancies. The most encountered histologic subtype is adenocarcinoma. We present a 76-year-old man suspected to have an advanced sigmoid cancer infiltrating nearby organs. A supplemental 18F-FDG PET/CT showed high tracer uptake in a tumorous process coherent with the dome of the bladder wall involving the sigmoid colon. Cystoscopy revealed a normal bladder wall, except for a small edematous area in the anterior bladder. Biopsies from the sigmoid colon and transurethral resection from the bladder confirmed a urothelial carcinoma originating from the urachus.
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spelling pubmed-87745992022-01-21 18F-FDG PET/CT in a Case of Urothelial Carcinoma in the Urachus Presenting as Colon Cancer Andersen, Jeannette D. Fabrin, Knud Petersen, Astrid Zacho, Helle D. Diagnostics (Basel) Interesting Images Urachal cancer arises from an embryologic remnant of the urogenital sinus and allantois and accounts for approximately 1% of bladder malignancies. The most encountered histologic subtype is adenocarcinoma. We present a 76-year-old man suspected to have an advanced sigmoid cancer infiltrating nearby organs. A supplemental 18F-FDG PET/CT showed high tracer uptake in a tumorous process coherent with the dome of the bladder wall involving the sigmoid colon. Cystoscopy revealed a normal bladder wall, except for a small edematous area in the anterior bladder. Biopsies from the sigmoid colon and transurethral resection from the bladder confirmed a urothelial carcinoma originating from the urachus. MDPI 2021-12-24 /pmc/articles/PMC8774599/ /pubmed/35054198 http://dx.doi.org/10.3390/diagnostics12010031 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Interesting Images
Andersen, Jeannette D.
Fabrin, Knud
Petersen, Astrid
Zacho, Helle D.
18F-FDG PET/CT in a Case of Urothelial Carcinoma in the Urachus Presenting as Colon Cancer
title 18F-FDG PET/CT in a Case of Urothelial Carcinoma in the Urachus Presenting as Colon Cancer
title_full 18F-FDG PET/CT in a Case of Urothelial Carcinoma in the Urachus Presenting as Colon Cancer
title_fullStr 18F-FDG PET/CT in a Case of Urothelial Carcinoma in the Urachus Presenting as Colon Cancer
title_full_unstemmed 18F-FDG PET/CT in a Case of Urothelial Carcinoma in the Urachus Presenting as Colon Cancer
title_short 18F-FDG PET/CT in a Case of Urothelial Carcinoma in the Urachus Presenting as Colon Cancer
title_sort 18f-fdg pet/ct in a case of urothelial carcinoma in the urachus presenting as colon cancer
topic Interesting Images
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8774599/
https://www.ncbi.nlm.nih.gov/pubmed/35054198
http://dx.doi.org/10.3390/diagnostics12010031
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