Bladder, ureter & renal pelvis

Congenital anomalies

Urachal lesions-benign



Topic Completed: 1 December 2014

Minor changes: 18 January 2021

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PubMed Search: Bladder urachal lesions

Monika Roychowdhury, M.D.
Page views in 2020: 3,803
Page views in 2021 to date: 5,081
Cite this page: Roychowdhury M. Urachal lesions-benign. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/bladderurachalbenign.html. Accessed December 8th, 2021.
Definition / general
Etiology
  • Persistent urachal remnants is common; clinically important when infected, dilated or neoplastic
Diagrams / tables

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Urachal cysts and fistulas

Case reports
Treatment
  • Complete surgical excision to prevent malignant transformation
Clinical images

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Urachal cysts - sinus tract between bladder dome and umbilicus

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Infected urachal cyst

Gross images

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Infected urachal cyst and fibrous tract

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Urachal cyst containing stones

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Urachal sigmoid fistula

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Inflamed urachal cyst

Microscopic (histologic) description
  • Urachal cysts are lined by urothelium, cuboidal, flat or atrophic cells
Microscopic (histologic) images

Contributed by Rosemarie Rodriguez, M.D. and AFIP images
Urachal cyst Urachal cyst

Cyst lining

GATA3

GATA3

Lobulated cystic structure lined by benign epithelium

Lobulated cystic structure lined by benign epithelium

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