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| ==Serous cystadenoma of the pancreas== | | ==Serous cystadenoma of the pancreas== |
| *[[AKA]] ''serous microcystic adenoma'',<ref name=Ref_Sternberg4_1630>{{Ref Sternberg4|1630}}</ref> [[AKA]] ''pancreatic serous cystadenoma''. | | *[[AKA]] ''serous microcystic adenoma'',<ref name=Ref_Sternberg4_1630>{{Ref Sternberg4|1630}}</ref> [[AKA]] ''pancreatic serous cystadenoma''. |
| ===General===
| | {{Serous cystadenoma of the pancreas}} |
| *1-2% of all exocrine pancreatic tumours.
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| *Female > male.
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| *Mean age 66 years.
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| *Truly benign with no malignant potenial.
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| *May be part of [[von Hippel-Lindau syndrome]].
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| Management:
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| *Observe or resect.
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| ===Gross===
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| Features:
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| *Classically has a characteristic central scar.<ref name=pmid15888617>{{cite journal |author=Kim YH, Saini S, Sahani D, Hahn PF, Mueller PR, Auh YH |title=Imaging diagnosis of cystic pancreatic lesions: pseudocyst versus nonpseudocyst |journal=Radiographics |volume=25 |issue=3 |pages=671–85 |year=2005 |pmid=15888617 |doi=10.1148/rg.253045104 |url=http://radiographics.rsna.org/content/25/3/671.abstract}}</ref>
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| *Bosulated surface.
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| *Lobulated.
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| *No (macroscopic) cysts apparent on gross.
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| *Location: 50-70% occur in the body and tail.
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| *Size: average size 11 cm.
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| Radiologic appearance:
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| *Honey comb-like appearance.
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| *Well demarcated border - may be described as a "coin lesion".
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| Image:
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| *[http://www.joplink.net/prev/200905/25_fig06.jpg Serous microcystic adenoma (joplink.net)].<ref name=pmid19454830>{{Cite journal | last1 = Vernadakis | first1 = S. | last2 = Kaiser | first2 = GM. | last3 = Christodoulou | first3 = E. | last4 = Mathe | first4 = Z. | last5 = Troullinakis | first5 = M. | last6 = Bankfalvi | first6 = A. | last7 = Paul | first7 = A. | title = Enormous serous microcystic adenoma of the pancreas. | journal = JOP | volume = 10 | issue = 3 | pages = 332-4 | month = | year = 2009 | doi = | PMID = 19454830 |URL = http://www.joplink.net/prev/200905/25.html }}</ref>
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| ===Microscopic===
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| Features:
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| *Cystic spaces lined by cuboidal cells.
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| **Glycogen rich.
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| **Cilia. (???)
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| DDx:
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| *[[Renal cell carcinoma]].
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| *[[Lymphangioma]].
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| *[[Hemangioma]].
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| *Oligocystic mucinous cystic tumors and pseudocysts.
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| **Have mucin; PAS-D could be used to demonstrate its presence.
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| Notes:
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| *Serous adenoma may coexist with aggressive tumours.
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| ====Images====
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| <gallery>
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| Image:Pancreatic_serous_cystadenoma_-_low_mag.jpg | PSC - low mag. (WC)
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| Image:Pancreatic_serous_cystadenoma_-_intermed_mag.jpg | PSC - intermed. mag. (WC)
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| Image:Pancreatic_serous_cystadenoma_-_high_mag.jpg | PSC - high mag. (WC)
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| Image:Pancreatic_serous_cystadenoma_-_very_high_mag.jpg | PSC - very high mag. (WC)
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| </gallery>
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| ===Stains===
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| *PAS +ve.
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| *PASD -ve.
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| ==Mucinous cystic neoplasms of the pancreas== | | ==Mucinous cystic neoplasms of the pancreas== |