Difference between revisions of "Pancreatic Nodular Hyperplasia"

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==Introduction==
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'''Nodular hyperplasia''' is seen as hard pale elevations of the exocrine tissue of the pancreas in older dogs, cats and cattle. It is of no clincal significance but must be distinguished from malignant neoplasia. It is a common incidental finding but the cause is unknown.
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==Description==
  
 
==Signalment==
 
==Signalment==
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Older dogs, cats and cattle.
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*In older dogs and cats and in cattle
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*No clinical significance
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*Involves the acinar tissue only
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*Must be distinguished from neoplasms
  
 
==Diagnosis==
 
==Diagnosis==
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There are no adverse clinical signs associated with the condition, it is an incidental finding. Nodular hyperplasia can be distinguished from neoplasia by ultrasonography, radiography and biopsy. The gross appearance is of white lobules or plaques projecting from the surface which are usually firmer than normal pancreatic tissue and do not distort adjacent tissue and are non-encapsulated. The microscopic appearance is similar to the normal glandular tissue, with non-encapsulated aggregates of acinar cells.
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===Clinical Signs===
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{{Learning
 
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|Vetstream = [https://www.vetstream.com/felis/Content/Disease/dis00188.asp Pancreas: neoplasia]
 
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|literature search = [http://www.cabdirect.org/search.html?rowId=1&options1=AND&q1=pancrea*&occuring1=title&rowId=2&options2=AND&q2=nodular&occuring2=title&rowId=3&options3=AND&q3=hyperplasia&occuring3=title&x=42&y=10&publishedstart=yyyy&publishedend=yyyy&calendarInput=yyyy-mm-dd&la=any&it=any&show=all Pancreatic Nodular Hyperplasia publications]
 
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==References==
 
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* Blood, D.C. and Studdert, V. P. (1999) '''Saunders Comprehensive Veterinary Dictionary (2nd Edition)''' ''Elsevier Science''
 
  
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===Pathology===
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Grooss appearance:
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*White lobules or plaques projecting from the surface
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*Do not distort adjacent tissue and are not encapsulated
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*Usually firmer than normal pancreatic tissue
  
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Microscopic appearance:
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*Similar to the normal glandular tissue
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*Not encapsulated aggregates of acinar cells
  
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[[Category:Pancreas - Hyperplastic and Neoplastic Pathology]][[Category:Pancreatic Diseases - Dog]][[Category:Pancreatic Diseases - Cat]][[Category:Pancreatic Diseases - Cattle]]
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[[Category:Pancreas - Hyperplastic and Neoplastic Pathology]]
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[[Category:Expert_Review - Small Animal]][[Category:Expert Review - Farm Animal]]
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[[Category:To_Do_-_lizzyk]]

Revision as of 10:01, 9 September 2010


 This article is still under construction.


Description

Signalment

  • In older dogs and cats and in cattle
  • No clinical significance
  • Involves the acinar tissue only
  • Must be distinguished from neoplasms

Diagnosis

Clinical Signs

Pathology

Grooss appearance:

  • White lobules or plaques projecting from the surface
  • Do not distort adjacent tissue and are not encapsulated
  • Usually firmer than normal pancreatic tissue

Microscopic appearance:

  • Similar to the normal glandular tissue
  • Not encapsulated aggregates of acinar cells
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