Chronic pancreatitis ultrasound: Difference between revisions

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{{Chronic pancreatitis}}
{{Chronic pancreatitis}}
{{CMG}}
{{CMG}}; {{AE}}{{IQ}}


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==Overview==
==Overview==
Ultrasound findings suggestive of chronic pancreatitis may include dilatation of the main [[pancreatic duct]], [[Calcification|calcifications]], pancreatic gland enlargement, changes in pancreatic size, shape, and contour, [[Pancreatic pseudocyst|pancreatic pseudocysts]], hyperechogenicity suggesting fibrotic changes, [[Pseudoaneurysm|pseudoaneurysms]] and [[ascites]]. The sensitivity of [[ultrasound]] is 60 to 70 percent and the specificity of ultrasound is 80 to 90 percent. The pancreas might appear [[atrophic]], calcified or fibrotic (advanced stages).


==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:
** Dilatation of the main pancreatic duct
** Calcifications
**Pancreatic gland enlargement
**Changes in pancreatic size, shape, and contour
**[[Pancreatic pseudocyst]]s
**Hyperechogenicity suggesting fibrotic changes
**Pseudoaneurysms
**Ascites
*The sensitivity and specificity of ultrasound are as follows:
**Sensitivity: 60 to 70 percent<ref name="pmid2657858">{{cite journal |vauthors=Bolondi L, Li Bassi S, Gaiani S, Barbara L |title=Sonography of chronic pancreatitis |journal=Radiol. Clin. North Am. |volume=27 |issue=4 |pages=815–33 |year=1989 |pmid=2657858 |doi= |url=}}</ref>
**Specificity: 80 to 90 percent<ref name="pmid2657858">{{cite journal |vauthors=Bolondi L, Li Bassi S, Gaiani S, Barbara L |title=Sonography of chronic pancreatitis |journal=Radiol. Clin. North Am. |volume=27 |issue=4 |pages=815–33 |year=1989 |pmid=2657858 |doi= |url=}}</ref>
[[Image:Pancreatic-calcifications-in-chronic-pancreatitis.jpg|500 px|thumb|center|By James Heilman, MD (Own work) [Case courtesy of Dr Roberto Schubert, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/17005">rID: 17005</a>]]


CT 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 pseudocyst]]s
==References==
==References==
{{Reflist|2}}
{{Reflist|2}}

Latest revision as of 02:09, 16 December 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Iqra Qamar M.D.[2]

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Overview

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 and ascites. The sensitivity of ultrasound is 60 to 70 percent and the specificity of ultrasound is 80 to 90 percent. The pancreas might appear atrophic, calcified or fibrotic (advanced stages).

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]
By James Heilman, MD (Own work) [Case courtesy of Dr Roberto Schubert, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/17005">rID: 17005</a>

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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