Cloacal dysgenesis sequence (CDS) is a rare cause of fetal obstructive uropathy (FOU).
Synopsis
absent anal, genital, and urinary orifices
smooth perineum
abnormal extrernal genitalia development
- abnormal phallic development
Associations
obstructive renal dysplasia (dysplastic kidneys)
bilateral hydroureters
intraluminal colonic calcifications
hypoplastic lungs
Differential diagnosis
fetal obstructive uropathy (FOU)
- posterior urethral valve syndrome