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22. Fibrinous pericarditis – cor villosum: Difference between revisions

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22. Fibrinous pericarditis – cor villosum (view source)

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(Created page with "'''Staining''': HE '''Organ''': Heart '''Description''': The slide is from a cross-section of the heart. Five layers can be distinguished. From the bottom layer to the top layer: # The bottom layer is the myocardium. It’s normal. # The second layer is the visceral pericardium. It’s also normal. # The middle layer contains fibrosis # The second-from-the-top layer is pale, has some neutrophils and contains some loose connective tissue # The top layer is very eosino...")
 
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'''Staining''': HE
[[File:Fibrinous pericarditis - overview.jpg|thumb|Overview of the slide with the 5 layers.]]'''Staining''': HE


'''Organ''': Heart
'''Organ''': Heart
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# The middle layer contains fibrosis
# The middle layer contains fibrosis
# The second-from-the-top layer is pale, has some neutrophils and contains some loose connective tissue
# The second-from-the-top layer is pale, has some neutrophils and contains some loose connective tissue
# The top layer is very eosinophilic with a glass-like (hyaline) structure. It contains many neutrophils.
# [[File:Fibrinous pericarditis - layer 5.jpg|thumb|Close-up of layer 5. The red hyaline is fibrin, and the leukocytes are neutrophils.]]The top layer is very eosinophilic with a glass-like (hyaline) structure. It contains many neutrophils.


'''Diagnosis''': Fibrinous pericarditis = cor villosum
'''Diagnosis''': Fibrinous pericarditis = cor villosum
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The fibrous scar tissue forming in the pericardium can restrict the function of the myocardium.
The fibrous scar tissue forming in the pericardium can restrict the function of the myocardium.
[[File:Fibrinous pericarditis - overview.jpg|center|thumb|Overview of the slide with the 5 layers.]]
[[File:Fibrinous pericarditis - layer 4.jpg|thumb|Close-up of layer 4. You can see loose connective tissue and less fibrin. In the top left you can see a part of the fifth layer.|left]]
[[File:Fibrinous pericarditis - layer 5.jpg|center|thumb|Close-up of layer 5. The red hyaline is fibrin, and the leukocytes are neutrophils.]]
[[File:Fibrinous pericarditis - layer 3.jpg|thumb|Close-up of layer 3. Fibrosis.]]
[[File:Fibrinous pericarditis - layer 4.jpg|center|thumb|Close-up of layer 4. You can see loose connective tissue and less fibrin. In the top left you can see a part of the fifth layer.]]
[[File:Fibrinous pericarditis - layer 3.jpg|center|thumb|Close-up of layer 3. Fibrosis.]]
[[Category:Pathology 1 - Histopathology slides]]
[[Category:Pathology 1 - Histopathology slides]]