(二) Lesions and results1.Hydrostatic pressurecongestive edema, hemorrhage2. Chronic hypoxiaatrophy or degenerationfibrosis,sclerosis
(二) Lesions and results 1. Hydrostatic pressure congestive edema, hemorrhage 2. Chronic hypoxia atrophy or degeneration fibrosis, sclerosis
(三)Congestion of importantorgans1.Pulmonary congestion(acute,chronic)(l) Cause: left heart failure(2)Morphology:DGross:volumeweighttdark redcut surfaceconsolidated
(三) Congestion of important organs 1. Pulmonary congestion(acute,chronic): (1) Cause: left heart failure (2) Morphology: ① Gross: volume↑ weight↑ dark red cut surface consolidated
② LM (acute,chronie) :Aalveolar septacapillary engorged with bloodbecome thickenedfibrosisedema fluidAlveolar spacesheart failure cellshemorrhageBrown induration: long period congestion, texturebecome solid and show brown appearance
② L M (acute,chronic) : Aalveolar septa capillary engorged with blood become thickened fibrosis Alveolar spaces edema fluid heart failure cells hemorrhage Brown induration: long period congestion, texture become solid and show brown appearance
Chronic pulmonarycongestion
Chronic pulmonary congestion
Heart failure cells: Hemosiderin- laden Mp
慢性肺淤血 Heart failure cells: Hemosiderin- laden Mφ