The following is an excerpt....
BASICS
Description
- The umbilicus is the site of a large number of well-recognized and more unusual congenital anomalies.
- Most present during the neonatal period or early infancy.
- Accurate diagnosis is imperative: It varies from trivial to life-threatening (peritonitis):
- Common abnormalities early in life include granulomas, infection, and other anomalies such as remnants (urachal, omphalomesenteric duct) or hernia.
- Conditions typically presenting later in life include urachal carcinoma, urachal bladder diverticulum, and urachal cyst.
Epidemiology
- Most common umbilical mass: Umbilical granuloma (1)[C]
- Persistent remnants of vitelline duct/allantois 2% incidence (2)[C]
- Single umbilical artery: 1/100 live births
- Microscopic urachal remnants are common, appearing in 3% of autopsy specimens; almost always asymptomatic.
Risk Factors
- Babies with significant urethral ...
You must be logged in to fully access this content.
Sign up for a 30-Day Free Trial
Sign up for a 30-Day FREE Trial now and receive access to all content.
Have a book code?
Submit your book code to create your
FREE standard account.