Difference between revisions of "Urachal remnant"

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==General==
==General==
*Benign.
*Benign.
*Asymptomatic.
*Often asymptomatic.
*May become inflamed and be symptomatic.
**Can cause "fever of unknown origin".<ref name=pmid24661549>{{cite journal |author=Bagnara V, Antoci S, Bonforte S, Privitera G, Luca T, Castorina S |title=Clinical considerations, management and treatment of fever of unknown origin caused by urachal cyst: a case report |journal=J Med Case Rep |volume=8 |issue=1 |pages=106 |year=2014 |pmid=24661549 |pmc=3978086 |doi=10.1186/1752-1947-8-106 |url=}}</ref>


==General==
==Gross==
*May bulge into the [[urinary bladder]].<ref name=pmid11828771/>
*May bulge into the [[urinary bladder]].<ref name=pmid11828771/>


==Microscopic==
==Microscopic==
Features:<re>{{Ref GU|146}}</ref><ref name=pmid11828771>{{cite journal |author=Yagishita H, Nagayama T, Zean Z, ''et al.'' |title=[A case of asymptomatic urachal cyst in autopsy--histopathological study of urachal cyst and review of the literature of 99 cases during a 10 year period in Japan] |language=Japanese |journal=Hinyokika Kiyo |volume=47 |issue=12 |pages=849–52 |year=2001 |month=December |pmid=11828771 |doi= |url=}}</ref>
Features:<ref>{{Ref GUP|146}}</ref><ref name=pmid11828771>{{cite journal |author=Yagishita H, Nagayama T, Zean Z, ''et al.'' |title=[A case of asymptomatic urachal cyst in autopsy--histopathological study of urachal cyst and review of the literature of 99 cases during a 10 year period in Japan] |language=Japanese |journal=Hinyokika Kiyo |volume=47 |issue=12 |pages=849–52 |year=2001 |month=December |pmid=11828771 |doi= |url=}}</ref>
*Cuboidal or urothelial lining.
*Cuboidal or urothelial lining.
*Fibrous wall.
*Fibrous wall.

Revision as of 16:34, 8 May 2014

Urachal cyst is a benign finding.

General

  • Benign.
  • Often asymptomatic.
  • May become inflamed and be symptomatic.
    • Can cause "fever of unknown origin".[1]

Gross

Microscopic

Features:[3][2]

  • Cuboidal or urothelial lining.
  • Fibrous wall.

Sign out

LESION ("URACHAL REMNANT"), EXCISION:
- CYST WITH SIMPLE CUBOIDAL EPITHELIUM AND FIBROUS WALL, CONSISTENT WITH
  URACHAL REMNANT.
- NO SIGNIFICANT INFLAMMATION.
- NEGATIVE FOR MALIGNANCY.

See also

References

  1. Bagnara V, Antoci S, Bonforte S, Privitera G, Luca T, Castorina S (2014). "Clinical considerations, management and treatment of fever of unknown origin caused by urachal cyst: a case report". J Med Case Rep 8 (1): 106. doi:10.1186/1752-1947-8-106. PMC 3978086. PMID 24661549. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3978086/.
  2. 2.0 2.1 Yagishita H, Nagayama T, Zean Z, et al. (December 2001). "[A case of asymptomatic urachal cyst in autopsy--histopathological study of urachal cyst and review of the literature of 99 cases during a 10 year period in Japan]" (in Japanese). Hinyokika Kiyo 47 (12): 849–52. PMID 11828771.
  3. Zhou, Ming; Magi-Galluzzi, Cristina (2006). Genitourinary Pathology: A Volume in Foundations in Diagnostic Pathology Series (1st ed.). Churchill Livingstone. pp. 146. ISBN 978-0443066771.