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Rokitansky-Aschoff sinuses

Dr Yuranga Weerakkody and Dr Jeremy Jones et al.

Rokitansky-Aschoff sinuses are are diverticula of the gallbladder wall which may be microscopic or macroscopic. Histologically, they are outpouchings of gallbladder mucosa that sit within the gallbladder muscle layer.

They are not of themselves considered abnormal, but may be associated with cholecystitis and adenomyomatosis.

Etymology

The Rokitnsky-Aschoff sinus is named after the two pathologists who initially discovered them:

  • Baron Carl von Rokitansky : pathologist ; Vienna, Austria (1804 - 1878)  
  • Karl Albert Ludwig Aschoff : pathologist ; Bonn, Germany (1866 - 1942)

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