Difference between revisions of "Fetal autopsy"
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(→Histology: Becker classification) |
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===Adrenal gland=== | ===Adrenal gland=== | ||
*Centre regresses. | *Centre regresses. | ||
====Fat pattern==== | |||
*Can be access with ''oil red O'' staining. | |||
The pattern of adrenal fat is informative about intrauterine demise:<ref>{{cite journal |author=Becker MJ, Becker AE |title=Fat distribution in the adrenal cortex as an indication of the mode of intrauterine death |journal=Hum. Pathol. |volume=7 |issue=5 |pages=495–504 |year=1976 |month=September |pmid=964978 |doi= |url=}}</ref> | |||
*Pattern I: scant fat/fat only close to medullary zone; acute onset death/rapid death. | |||
*Pattern II: widespread fat; chronic death/prolonged death. | |||
*Pattern III: massive fat - fetal zone and cortex; "chronic" death/prolonged death. | |||
===Kidney=== | ===Kidney=== | ||
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===Lung=== | ===Lung=== | ||
*PMNs may be seen in [[chorioamnionitis]]. | *PMNs may be seen in [[chorioamnionitis]]. | ||
*Meconium-laden macrophages may be seen. | |||
===Thymus=== | ===Thymus=== | ||
*Hassall's corpuscles (thymic corpuscle). | *Hassall's corpuscles (thymic corpuscle). | ||
Image: [http://commons.wikimedia.org/wiki/File:Thymic_corpuscle.jpg Thymic corpuscle (WC)]. | Image: | ||
*[http://commons.wikimedia.org/wiki/File:Thymic_corpuscle.jpg Thymic corpuscle (WC)]. | |||
==Amnion rupture sequence== | ==Amnion rupture sequence== | ||