Jan 28, 2025 · Rokitansky-Aschoff sinuses are diverticula of the gallbladder wall which may be microscopic or macroscopic. Histologically, they are outpouchings of gallbladder mucosa that …

Aug 3, 2023 · Adenomyomatosis is a noncancerous condition where the walls of your gallbladder become thickened and tiny pockets called Rokitansky-Aschoff sinuses develop. Learn about …

Ultrasound findings may show thickened gall bladder wall, tiny anechoic spaces (Rokitansky–Aschoff sinuses or RAS), and twinkling artifact (or comet-tail reverberation). …

Rokitansky–Aschoff (R–A) sinuses, or crypts, are epithelial invaginations that penetrate the wall of the gallbladder through the smooth muscle gaps and by this pathway reach the perimuscular …

Oct 18, 2024 · There is hyperplasia of the wall with the formation of Rokitansky-Aschoff sinuses (intramural diverticula lined by mucosal epithelium) penetrating into the muscular wall of the …

Gallbladder wall thickening (line) is always seen in gallbladder adenomyomatosis, but it is non-specific. On b-mode images, Rokitansky–Aschoff sinuses (arrows) typically appear anechoic …

Dec 9, 2022 · Adenomyomatosis is a benign condition that is pathologically characterized by hyperplasia of the gallbladder wall mucosa and muscularis propria, with pathognomonic …

Gallbladder adenomyomatosis (GA) is a benign alteration of the gallbladder wall that can be found in up to 9% of patients. GA is characterized by a gallbladder wall thickening containing small …

Rokitansky-Aschoff sinuses are the result of hyperplasia and herniation of epithelial cells through the fibromuscular layer of the gallbladder wall and are usually referred to as adenomyomatosis.

Rokitansky-Aschoff sinuses of the gallbladder are associated with black pigment gallstone formation: a scanning electron microscopy study. Cariati A, Cetta F Ultrastruct Pathol 2003 Jul …