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Pancreas

Miscellaneous

  • Pseudolesions Mimicking Primary Pancreatic Neoplasia
    -    Pancreatic Head, Body or Tail
    -    Vascular lesion like aneurysms or pseudoaneurysm (ranging from hepatic artery to
    splenic artery)
    -    Metastatic disease near pancreas
    -    Adenopathy in peripancreatic region
  • Pseudolesions Mimicking Primary Pancreatic Neoplasia
    -    Pancreatic Tail
    -    Accessory spleen
    -    Gastric fundus tumors
    -    Small bowel masses
    -    Left adrenal mass
    -    Left renal mass
    -    Colonic mass
    -    Mesenteric mass
  • Pseudolesions Mimicking Primary Pancreatic Neoplasia
    -    Pancreatic Body
    -    Pseudoocysts
    -    Gastric tumors
    -    Duodenal tumors including GIST and adenocarcinoma
  • Pseudolesions Mimicking Primary Pancreatic Neoplasia
    -    Pancreatic Head
    -    Autoimmune pancreatitis
    -    Annular pancreas
    -    Grove pancreatitis
    -    Pancreas divisum
    -    Duodenal diverticula
    -    Duodenal tumors (GIST, adenocarcinoma)
    -    Adenopathy
  • “ It is important that the radiologist be familiar with the wide spectrum of anatomic variants and
    disease entities that can mimic primary pancreatic neoplasia in order to initiate the appropriate
    lesion-specific work-up and treatment and avoid unnecessary tests or procedures, including
    surgery.”
    Pancreatic and Peripancreatic Disease Mimicking Primary Pancreatic Neoplasia
    To’o KJ et al.
    RadioGraphics 2005;25:949-965
  • Vascular Lesions of the Pancreas (and Pseudolesions)
    - Neuroendocrine tumors
    - Acinar cell carcinoma
    - Hemorrhagic pancreatitis
    - Peripancreatic pseudoaneurysm
    - Peripancreatic varices
    - Accessory spleen
  • "Pancreatic involvement commonly is found in patients with HHT (31% in our study), mainly in patients with ALK1 mutation; pancreatic telangiectases or AVMs are only diagnosed during the arterial phase at multidetector CT."

    Pancreatic Involvement in Hereditary Hemorrhagic Telangiectasia: Assessment with Multidetector Helical CT
    Lacout A et al.
    Radiology 2010; 254:479-484