Difference between revisions of "Duodenum"

Duodenum (view source)

Revision as of 02:47, 27 January 2012

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→‎Weird stuff: +pseudomelanosis duodeni

Michael

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 *[http://www.wjso.com/content/3/1/15/figure/F2 Epithelioid cells of a GP (wjso.com)].
 *[http://www.wjso.com/content/3/1/15/figure/F4 Ganglion cell in a GP (wjso.com)].
+==Pseudomelanosis duodeni==
+===General===
+*Rare.
+*Consists of iron and lipofuscin.<ref name=pmid2458404>{{Cite journal  | last1 = Lin | first1 = HJ. | last2 = Tsay | first2 = SH. | last3 = Chiang | first3 = H. | last4 = Tsai | first4 = YT. | last5 = Lee | first5 = SD. | last6 = Yeh | first6 = YS. | last7 = Lo | first7 = GH. | title = Pseudomelanosis duodeni. Case report and review of literature. | journal = J Clin Gastroenterol | volume = 10 | issue = 2 | pages = 155-9 | month = Apr | year = 1988 | doi =  | PMID = 2458404 }}
+</ref>
+Associations:<ref name=pmid18253910/>
+*[[Hypertension]] ~90% of cases.
+*Iron supplementation ~75% of cases.
+*End-stage renal disease ~60% of cases.
+===Gross/endoscopic===
+*Dark spots ~35% of cases.<ref name=pmid18253910>{{Cite journal  | last1 = Giusto | first1 = D. | last2 = Jakate | first2 = S. | title = Pseudomelanosis duodeni: associated with multiple clinical conditions and unpredictable iron stainability - a case series. | journal = Endoscopy | volume = 40 | issue = 2 | pages = 165-7 | month = Feb | year = 2008 | doi = 10.1055/s-2007-995472 | PMID = 18253910 }}</ref>
+===Microscopic===
+Features:
+*Dark pigment in the lamina propria macrophages.
+Images:
+*[http://path.upmc.edu/cases/case616.html Pseudomelanosis duodeni - several images (upmc.edu)].
+===Stains===
+*Prussian blue +ve ~80% of cases.<ref name=pmid18253910/>
 =Tumours=

Difference between revisions of "Duodenum"

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Revision as of 02:47, 27 January 2012

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