Cobb's collar

Cobb's collar (also known as a Moorman ring) is an uncommon finding in a paediatric voiding/micturating cystourethrogram (VCUG). It is a congenital urethral obstruction which is thought to be due to incomplete widening of the urogenital diaphragm.

Cobb's collar is associated with syringoceles 3.

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Article information

rID: 40773
Synonyms or Alternate Spellings:
  • Cobb collar
  • Moorman's ring
  • Moorman ring

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