Urachal remnant
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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
- Between umbilicus and dome of bladder.
- May bulge into the urinary bladder.[3]
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
- ↑ 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 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.