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Difference between revisions of "Pancreas"
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→Chronic pancreatitis: +ectopic pancreatic tissue
(→Pancreas neoplasms in a table: wikify) |
(→Chronic pancreatitis: +ectopic pancreatic tissue) |
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**Irregular ducts. | **Irregular ducts. | ||
**Random distribution of ducts/non-lobular arrangement. | **Random distribution of ducts/non-lobular arrangement. | ||
==Ectopic pancreatic tissue== | |||
It comes in two flavours:<ref>URL: [http://test.pathologyportal.org/newindex.htm?92nd/specgasth2.htm http://test.pathologyportal.org/newindex.htm?92nd/specgasth2.htm]. Accessed on: 14 March 2011.</ref> | |||
*Pancreatic ectopia. | |||
*Pancreatic (acinar) metaplasia. | |||
==Pancreatic acinar metaplasia== | |||
*[[AKA]] pancreatic metaplasia. | |||
===General=== | |||
*Common in the GI tract found in ~ 20% of biopsies above the GEJ.<ref name=pmid20012917>{{cite journal |author=Johansson J, Håkansson HO, Mellblom L, ''et al.'' |title=Pancreatic acinar metaplasia in the distal oesophagus and the gastric cardia: prevalence, predictors and relation to GORD |journal=J. Gastroenterol. |volume=45 |issue=3 |pages=291–9 |year=2010 |month=March |pmid=20012917 |doi=10.1007/s00535-009-0161-4 |url=}}</ref> | |||
===Microscopic=== | |||
Features: | |||
*Pancreatic acini - only. | |||
**Intensely eosinophilic cytoplasm. | |||
Negatives: | |||
*No pancreatic ducts. | |||
*No islets of Langerhans (pancreatic islets). | |||
==Pancreatic ectopia== | |||
===Microscopic=== | |||
Features: | |||
*Consists of pancreatic acini ''and'' pancreatic ducts. | |||
*+/-Islets of Langerhans. | |||
==See also== | ==See also== | ||