(P4) Cardiac: Malignant nephrosclerosis (H&E) & (Azan) Flashcards
Identify:
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/143/q_image_thumb.png?1613499216)
Malignant nephrosclerosis (H&E)
- azan
- fibrinoid necrosis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/143/a_image_thumb.png?1613499305)
Identify the slide:
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/147/q_image_thumb.png?1613499372)
Malignant nephrosclerosis (H&E)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/147/a_image_thumb.png?1613499431)
Identify slide:
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/149/q_image_thumb.png?1613499564)
Malignant nephrosclerosis (azan)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/149/a_image_thumb.png?1613499647)
- Blue: Connective tissue
- Dark pink: tufts of corpuscles with fibrin 3. H &E
- Periarteritis nodosa
- fibrinoid necrosis
- Azan stain is used to stain the fibrin. Fibrin is characteristic for this lesion because it deposits into the vessel wall after injury to the endothelium
identify:
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/151/q_image_thumb.png?1613499715)
Malignant nephrosclerosis (azan)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/151/a_image_thumb.png?1613499751)
Lable and Identify:
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/156/q_image_thumb.png?1613499867)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/156/a_image_thumb.png?1613499916)
Identify and Lable
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/158/q_image_thumb.png?1613499946)
Malignant nephrosclerosis (H&E)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/158/a_image_thumb.png?1613499965)
Identify and Define:
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/161/q_image_thumb.png?1613500065)
- Malignant nephrosclerosis (H&E)*
- -Form of renal disease associated with malignant phase of hypertension*
- -S_mall muscular arteries_ – segmental dilation as a result of necrosis of smooth muscle cells*
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/161/a_image_thumb.png?1613500097)
Malignant nephrosclerosis is descirbed by what occurances dealing with fibrin and proteins?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/166/q_image_thumb.png?1613500639)
Fibrin and the entry of plasma proteins into the vessel wall.
-The combination of cell necrosis and deposition of plasma proteins is termed – fibrinoid necrosis.
T-he period of acute injury is rapidly followed:
A. Smooth muscle proliferation
B. Striking concentric increase in the number of layers of smooth muscle cells
Result – onion-skin appearance
what are the complications of Malignant nephrosclerosis ?
Complications
Increased intracranial pressure, renal failure, 50% of mortality within 3 months of onset
Note: elevated BP (severe or malignant)
-Fibrinoid Necrosis of walls of small renal arteries, afferent arerioles, glomerular loops.
Malignant nephrosclerosis
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/169/q_image_thumb.png?1613500970)
Micro:
1) Fibrinoid Necrosis of arterioles: wall of blood vessel is eosinophilic and granular (red in Azan staining)
2) Hyperplastic arteriolitis: onion -skinning
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/169/a_image_thumb.png?1613501018)
This staining also is helpful in the diagnisis of the following lesion presented on the slide during this test?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/172/q_image_thumb.png?1613501224)
Polyarteritis Nodosa
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/172/a_image_thumb.png?1613501331)
This staining method seen on the slide is also helpful in the diagnisis of the following vascular disease?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/177/q_image_thumb.png?1613501504)
Periarteritis nodosa
(inflammation of the outer coat and tissues surrounding an artery)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/405/727/177/a_image_thumb.png?1613501534)