Difference between revisions of "Amnion nodosum"
Jump to navigation
Jump to search
(tweak) |
|||
| Line 3: | Line 3: | ||
==General== | ==General== | ||
*Associated with (long-standing) [[oligohydramnios]].<ref>URL: [http://library.med.utah.edu/WebPath/PLACHTML/PLAC042.html http://library.med.utah.edu/WebPath/PLACHTML/PLAC042.html]. Accessed on: 12 January 2011.</ref> | *Associated with (long-standing) [[oligohydramnios]].<ref>URL: [http://library.med.utah.edu/WebPath/PLACHTML/PLAC042.html http://library.med.utah.edu/WebPath/PLACHTML/PLAC042.html]. Accessed on: 12 January 2011.</ref> | ||
*Should be separated from ''squamous metaplasia of amnion''. | *Should be separated from ''[[squamous metaplasia of amnion]]''. | ||
==Gross== | ==Gross== | ||
Latest revision as of 15:28, 17 April 2016
Amnion nodosum is an uncommon benign placental pathology.
General
- Associated with (long-standing) oligohydramnios.[1]
- Should be separated from squamous metaplasia of amnion.
Gross
Features:[2]
- Yellow nodules ~ 1-5 mm.
- Some think they are white.[3]
DDx:
- Squamous metaplasia of the amnion - large irregular patches, usu. white.
Images
- Amnion nodosum (webpathology.com).
- Amnion nodosum & squamous metaplasia of the amnion (archivesofpathology.org).[2]
Microscopic
Features:[2]
- Stratified squamous epithelium - non-keratinizing or minimal keratin.
- Amorphous acidophilic (pink) debris.
Note:
- Normal amnion = simple epithelium.
Images
- Amnion nodosum (webpathology.com).
- Amnion nodosum & squamous metaplasia of the amnion (archivesofpathology.org).[2]
See also
References
- ↑ URL: http://library.med.utah.edu/WebPath/PLACHTML/PLAC042.html. Accessed on: 12 January 2011.
- ↑ 2.0 2.1 2.2 2.3 Adeniran, AJ.; Stanek, J. (Dec 2007). "Amnion nodosum revisited: clinicopathologic and placental correlations.". Arch Pathol Lab Med 131 (12): 1829-33. doi:10.1043/1543-2165(2007)131[1829:ANRCAP]2.0.CO;2. PMID 18081444.
- ↑ CS. 7 February 2011.