umbilical cord pseudocysts
Umbilical cord pseudocysts are a type of cystic lesion occurring in relation to the umbilical cord.
Epidemiology
Although the true incidence is not accurately known, they are comparatively much more common than true umbilical cord cysts.
Pathology
The pseudocyst basically comprises of mucoid degeneration of the Wharton jelly.
Associations
There is a recognized association with underlying chromosomal anomalies - particularly trisomy 18 .It is also commonly associated with omphalocele.
Radiographic features
Antenatal ultrasound
- anechoic well defined cystic like lesions without internal vascularity
- they can be variably sized
- usually appear towards the fetal insertion or within a free loop of the cord.
- usually, resolve by 12 weeks of gestation
Siehe auch:
und weiter:
Assoziationen und Differentialdiagnosen zu Nabelschnur-Pseudozyste: