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Difference between revisions of "Pulmonary hypertension"
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**Grade 4: | **Grade 4: | ||
***Intima: '''"plexiform lesions"''' + fibrous & fibroelastic reaction, + cellular intimal reaction. | ***Intima: '''"plexiform lesions"''' + fibrous & fibroelastic reaction, + cellular intimal reaction. | ||
*****Plexiform lesions = multiple channels that are dilated, | *****Plexiform lesions = multiple channels that are dilated, associated with loss of elastic laminae; thought to arise at branch points due to aberrant WSS.<ref>[http://pathhsw5m54.ucsf.edu/overview/vessels.html http://pathhsw5m54.ucsf.edu/overview/vessels.html]</ref> | ||
***Media: generalized dilation +/- '''local "dilation lesions"'''. | ***Media: generalized dilation +/- '''local "dilation lesions"'''. | ||
***Micrographs: [http://pathhsw5m54.ucsf.edu/overview/vessels.html Plexiform lesions (ucsf.edu)], [http://www.pvrireview.org/viewimage.asp?img=PVRIReview_2009_1_1_34_44882_u6.jpg Plexiform lesions (pvrireview.org)]. | ***Micrographs: [http://pathhsw5m54.ucsf.edu/overview/vessels.html Plexiform lesions (ucsf.edu)], [http://www.pvrireview.org/viewimage.asp?img=PVRIReview_2009_1_1_34_44882_u6.jpg Plexiform lesions (pvrireview.org)]. | ||