Difference between revisions of "Pulmonary pathology"

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==Pulmonary infarct==
==Pulmonary infarct==
*[[AKA]] ''lung infarct'', ''lung infarction'', ''pulmonary infarction''.
*[[AKA]] ''lung infarct'', ''lung infarction'', ''pulmonary infarction''.
===General===
{{Main|Pulmonary infarct}}
*Uncommon because of the dual blood supply (systemic via the bronchial arteries, pulmonary via the pulmonary arteries).
 
Common causes:<ref>URL: [http://emedicine.medscape.com/article/908045-overview http://emedicine.medscape.com/article/908045-overview]. Accessed on: 12 April 2012.</ref>
*[[Pulmonary embolism]].
*[[Sickle cell disease]].
 
Less common causes:
*Lymphoma, esp. [[acute promyelocytic leukemia]].
*Drugs, e.g. chemotherapy.
*[[Vasculitis]].
*Others.
 
===Gross===
*Lung periphery, classically described as wedge-shaped.
 
Note:
*In a histologic section, the classic wedge-shaped infarct is triangular:
**Base of triangle on the pleural aspect.
**Point furthest from the pleura close to the compromised artery that lead to infarction.
 
Image:
*[http://www.sciencephoto.com/media/258474/enlarge Pulmonary infarct (sciencephoto.com)].
*[http://www.flickr.com/photos/pulmonary_pathology/3732297830/ Pulmonary infarct (flickr.com)]
 
===Microscopic===
Features:
*[[Necrosis]] of alveolar walls - loss of nuclei.
*Alveolar hemorrhage.
 
====Image====
<gallery>
Image:Pulmonary_infarct_intermed_mag.jpg | Pulmonary infarct - low mag. (WC)
</gallery>


=See also=
=See also=
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