Difference between revisions of "Pancreatic Nodular Hyperplasia"

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{{OpenPagesTop}}
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*In older dogs and cats and in cattle
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==Introduction==
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*No clinical significance
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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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*Involves the acinar tissue only
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*Must be distinguished from neoplasms
  
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==Signalment==
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===Gross appearance===
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Older dogs, cats and cattle.
 
  
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==Diagnosis==
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*White lobules or plaques projecting from the surface
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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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*Do not distort adjacent tissue and are not encapsulated
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*Usually firmer than normal pancreatic tissue
  
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{{Learning
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===Microscopic appearance===
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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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}}
 
  
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==References==
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*Similar to the normal glandular tissue
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* Blood, D.C. and Studdert, V. P. (1999) '''Saunders Comprehensive Veterinary Dictionary (2nd Edition)''' ''Elsevier Science''
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*Not encapsulated aggregates of acinar cells
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[[Category:Pancreas - Hyperplastic and Neoplastic Pathology]]
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[[Category:To_Do_-_lizzyk]]
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{{review}}
 
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{{OpenPages}}
 
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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:Expert_Review - Small Animal]][[Category:Expert Review - Farm Animal]]
 

Revision as of 16:30, 27 July 2010

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

Gross 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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