Pseudocysts

Pseudocyst on CTCT shows a unilocular cyst located in the head of the pancreas, consistent with a pancreatic pseudocyst image .

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Pseudocyst With Hemorrhagic FluidGross photograph shows a pseudocyst in the tail of the pancreas. The cyst is filled with hemorrhagic fluid. Note the adjacent spleen image .
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Pseudocyst Wall With FibroblastsPseudocysts lack a true epithelial lining. The cyst wall shows an exuberant fibroblastic proliferation.
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Hemosiderin and Fibrosis in WallThe pseudocyst wall is composed of fibrosis and few scattered inflammatory cells. Note the hemosiderin image in the lumen of the cyst.

TERMINOLOGY

Definitions

• Cystic collection of pancreatic or peripancreatic fluid rich in pancreatic enzymes

ETIOLOGY/PATHOGENESIS

Risk Factors

• Acute or chronic pancreatitis
• Can occur with biliary disease, surgery, or other trauma
• Rarely, may develop adjacent to pancreatic mass lesion, including adenocarcinoma

CLINICAL ISSUES

Epidemiology

• Incidence
image Historically thought to represent 80% of all pancreatic cysts
– High-resolution imaging now suggests neoplastic pancreatic cysts more common than pseudocysts
• Age
image Young to middle-aged adults
• Sex
image Female predominance associated with gallstone-related pancreatitis
image Male predominance associated with alcohol-related pancreatitis

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Related posts:

  1. Congenital Hepatic Fibrosis
  2. Hepatoportal Sclerosis
  3. Drug-Related Acute Hepatitis
  4. Biliary Atresia

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Apr 20, 2017 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Pseudocysts

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