Necrosis 2822016 Contents Slide Caseous necrosis Lymph node Jar Coagulative necrosis Kidney Case study Liquifactive necrosis brain Slide 2 TB lymphadenitis Section in a lymph node showing multiple rounded structures formed of ID: 621505
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Slide1
Practical IINecrosis
28/2/2016Slide2
Contents
Slide
Caseous
necrosis (Lymph node)
Jar
Coagulative
necrosis (Kidney)
Case study
Liquifactive
necrosis (brain)Slide3
Slide (2) TB lymphadenitis
Section in a lymph node showing multiple rounded structures formed of:-
- Collections of
epithelioid
cells, giant cells and lymphocytes.
- Wide areas of
structureless
, granular,
esinophilic
material with nuclear debris (
Caseation
necrosis)Slide4Slide5Slide6Slide7
Jar (2) Coagulative necrosis
Kidney
Cut section of a kidney shows
- A triangular area of pale color
- Dry, opaque
- Surrounded by an area of hyperemiaSlide8
Coagulative necrosis
KidneySlide9
Coagulative necrosis
KidneySlide10
Coagulative necrosis
Kidney (M/E)
Coagulative
necrosis
normalSlide11
Case Study (2)
A cerebral angiogram of a 59-year-old woman revealed an occlusion to her left middle cerebral artery. a computed
tomographic
(CT) scan shows a large 5 cm cystic area in her left parietal lobe cortex. This CT finding most likely represents which of the following cellular events?
A-
Liquefactive
necrosis
B- Atrophy
C-
Coagulative
necrosis
D-
Caseous
necrosis
E- Apoptosis Slide12
Describe the gross appearanceSlide13
What is the cause of cyst formation?Slide14
Is this lesion reversible?
List other types of necrosis you know