Antenatal Hydronephrosis (Urinary Tract Dilation) Differential Diagnoses

Updated: Jul 27, 2021
  • Author: Dennis B Liu, MD; Chief Editor: Marc Cendron, MD  more...
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DDx

Diagnostic Considerations

In addition to the conditions listed in the differential diagnosis, other problems to be considered include the following:

  • Obstructed megaureter
  • Multicystic kidney
  • Renal cystic disease
  • Megacalicosis
  • Retrocaval ureter
  • Nonrefluxing nonobstructed megaureter
  • Midureteral stricture
  • Ectopic ureter
  • Ureterocele
  • Prune belly syndrome
  • Urethral atresia
  • Anterior urethral valves
  • Cloacal abnormality
  • Hydrocolpos
  • Urachal cyst
  • Ovarian cyst
  • Bowel duplication
  • Duodenal atresia
  • Anterior meningocele
  • Pelvic tumor
  • Ureteral polyp

Differential Diagnoses