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Rokitansky-Aschoff sinuses

Rokitansky-Aschoff sinuses 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.

Related pathology

They are not of themselves considered abnormal, but may be associated with cholecystitis and adenomyomatosis. Additionally, Rokitansky-Aschoff sinuses have been known to mimic gastric adenocarcinoma, however are generally incidental findings 4.

History and etymology

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

  • Baron Karl Freiherr von Rokitansky (1804-1878), Czech pathologist in Vienna, Austria 5
  • Karl Albert Ludwig Aschoff  (1866-1942), pathologist in Bonn, Germany 5
Anatomy: Abdominopelvic

Anatomy: Abdominopelvic

Article information

rID: 7108
Section: Anatomy
Tag: eponym
Synonyms or Alternate Spellings:
  • Rokitansky-Aschoff sinus
  • Rokitansky-Aschoff (RA) sinus

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Cases and figures

  • Figure 1: adenomyomatsis
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  • Figure 2: histology
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  • Case 1: gallbladder dysfunction with Rokitansky-Aschoff sinuses
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  • Case 2: on MRI
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