Fetal hydrocele

A fetal hydrocele refers to a hydrocele present in utero.


They may be sonographically identified in ~15% of male fetuses in the third trimester 6.


Often result from a patent processus vaginalis. They are more frequently unilateral. 


Radiographic features

Antenatal ultrasound

May be seen as an anechoic crescentic anechoic region around the fetal testis.

Fetal MRI

May be seen as a T2 hyperintense fluid layer around the fetal scrotum 6.

Treatment and prognosis

Most cases are transient and resolve at birth.

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Article information

rID: 13966
Tag: cases
Synonyms or Alternate Spellings:
  • Fetal hydrocoele
  • Foetal hydrocoele
  • Foetal hydrocoele
  • Fetal scrotal hydrocele

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