Difference between revisions of "Urachal remnant"
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*May become inflamed and be symptomatic. | *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> | **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> | ||
*Common in adults - possibly up to 30% of population.<ref name=auanet>URL: [https://www.auanet.org/education/modules/pathology/bladder-histoanatomic/urachal-remnant.cfm https://www.auanet.org/education/modules/pathology/bladder-histoanatomic/urachal-remnant.cfm]. Accessed on: 30 March 2015.</ref> | |||
==Gross== | ==Gross== | ||
*May bulge into the [[urinary bladder]].<ref name=pmid11828771/> | *Between umbilicus and dome of [[urinary bladder|bladder]]. | ||
**May bulge into the [[urinary bladder]].<ref name=pmid11828771/> | |||
==Microscopic== | ==Microscopic== | ||
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> | Features:<ref>{{Ref GUP|146}}</ref> | ||
* | *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. | |||
*Fibrous wall. | *Fibrous wall. | ||
*+/-Goblet cells.<ref name=auanet>URL: [https://www.auanet.org/education/modules/pathology/bladder-histoanatomic/urachal-remnant.cfm https://www.auanet.org/education/modules/pathology/bladder-histoanatomic/urachal-remnant.cfm]. Accessed on: 30 March 2015.</ref> ‡ | |||
Notes: | |||
* ‡ Goblet cells tend to be older individuals. Urothelial lining typical for individuals <20 years old.<ref name=auanet/> | |||
==Sign out== | ==Sign out== | ||
Latest revision as of 17:43, 30 March 2015
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]
- Common in adults - possibly up to 30% of population.[3]
Gross
- Between umbilicus and dome of bladder.
- May bulge into the urinary bladder.[4]
Microscopic
Features:[5]
Notes:
- ‡ Goblet cells tend to be older individuals. Urothelial lining typical for individuals <20 years old.[3]
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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
- ↑ 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.
- ↑ 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/.
- ↑ 3.0 3.1 3.2 URL: https://www.auanet.org/education/modules/pathology/bladder-histoanatomic/urachal-remnant.cfm. Accessed on: 30 March 2015.
- ↑ 4.0 4.1 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.
- ↑ 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.