Difference between revisions of "Urachal remnant"

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==Microscopic==
==Microscopic==
Features:<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>
*Cuboidal or urothelial lining.
*Cuboidal<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> or urothelial lining.
**May have a columnar lining.<ref>{{Ref GUP|146}}</ref>
**May have a columnar lining.
*Fibrous wall.
*Fibrous wall.



Revision as of 16:51, 8 May 2014

Urachal remnant is a benign congenital abnormality that occasionally becomes symtpomatic.

It includes:[1]

  • Urachal cyst.
  • Urachal diverticulum.
  • Patent urachus.

General

  • Benign.
  • Often asymptomatic.
  • May become inflamed and be symptomatic.
    • Can cause "fever of unknown origin".[2]

Gross

Microscopic

Features:[4]

  • Cuboidal[3] or urothelial lining.
    • May have a columnar lining.
  • Fibrous wall.

Sign out

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

See also

References

  1. Naiditch JA, Radhakrishnan J, Chin AC (October 2013). "Current diagnosis and management of urachal remnants". J. Pediatr. Surg. 48 (10): 2148–52. doi:10.1016/j.jpedsurg.2013.02.069. PMID 24094971.
  2. 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/.
  3. 3.0 3.1 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.
  4. 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.