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Gallbladder Pathology Online

Pathology of Mucocele and Hydrops of the Gallbladder

Dr Sampurna Roy  MD          

 

Mucocele and hydrops of the gallbladder develops as a result of impacted stone in the gallbladder neck or cystic duct.

 1)     2)

1) Diagram of Hydrops showing distended thin walled gallbladder containing clear fluid.

2) Diagram of mucocele containing mucus.

Hydrops of gallbladder is characterized by large distended gallbladder. The wall is thin and the lumen contains clear fluid.

In mucocele the contained bile is absorbed and replaced by mucus secreted by the gallbladder. The organ is thin-walled and translucent and may contain a pint of mucus.

Hydrops is often associated with various infectious diseases Example: Kawasaki disease. 

Other causes leading to hydrops and mucocele are resolved acute cholecystitis, polyps or malignancy of the gallbladder, compression of the neck or cystic duct by lymph nodes or inflammatory fibrosis, congenital narrowing of the cystic duct, parasites such as Ascaris.

Visit: Ascariasis

Mucocele may also occur in liver transplant patients.

Microscopic features:

i) The mucosa is usually flattened.

ii) Mild chronic inflammatory infiltrate in the wall

iii) Areas of fibrosis of the muscularis in longstanding cases.

 

Further reading:

Kawasaki syndrome: report of four cases with acute gallbladder hydrops

Kawasaki disease associated with gallbladder hydrops

[Acute hydrops of the gallbladder in childhood

Massive hydrops of the gallbladder mimicking a choledochal cyst

Congenital duplex gallbladder and biliary mucocele .

Hydrops of the gallbladder in children

 

 

Dr  Sampurna Roy  MD

Consultant  Histopathologist (Kolkata - India)

 

 

          

 

 

 

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