Chronic pancreatitis ultrasound: Difference between revisions

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==Ultrasound==
==Ultrasound==
* The pancreas might appear atrophic, calcified or fibrotic (advanced stages).
* Ultrasound may be helpful in differentiating autoimmune from other acquired causes of chronic pancreatitis
** Focal or diffuse pancreatic enlargement may be seen in autoimmune pancreatitis
** Calcifications may be appreciated in other acquired causes.
* Ultrasound findings suggestive of chronic pancreatitis may include:
* Ultrasound findings suggestive of chronic pancreatitis may include:
** Dilatation of the main pancreatic duct
** Dilatation of the main pancreatic duct
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**Changes in pancreatic size, shape, and contour
**Changes in pancreatic size, shape, and contour
**[[Pancreatic pseudocyst]]s
**[[Pancreatic pseudocyst]]s
**Hyperechogenicity suggesting fibrotic changes
**Pseudoaneurysms
**Ascites


*The sensitivity and specificity of ultrasound are as follows:
*The sensitivity and specificity of ultrasound are as follows:

Revision as of 21:00, 8 November 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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Overview

Ultrasound

  • The pancreas might appear atrophic, calcified or fibrotic (advanced stages).
  • Ultrasound may be helpful in differentiating autoimmune from other acquired causes of chronic pancreatitis
    • Focal or diffuse pancreatic enlargement may be seen in autoimmune pancreatitis
    • Calcifications may be appreciated in other acquired causes.
  • Ultrasound findings suggestive of chronic pancreatitis may include:
    • Dilatation of the main pancreatic duct
    • Calcifications
    • Pancreatic gland enlargement
    • Changes in pancreatic size, shape, and contour
    • Pancreatic pseudocysts
    • Hyperechogenicity suggesting fibrotic changes
    • Pseudoaneurysms
    • Ascites
  • The sensitivity and specificity of ultrasound are as follows:
    • Sensitivity: 60 to 70 percent[1]
    • Specificity: 80 to 90 percent[1]

References

  1. 1.0 1.1 Bolondi L, Li Bassi S, Gaiani S, Barbara L (1989). "Sonography of chronic pancreatitis". Radiol. Clin. North Am. 27 (4): 815–33. PMID 2657858.


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