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44. NRDS: Difference between revisions

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(Created page with "'''Staining''': PAS '''Organ''': Lung '''Description''': The lung parenchyme look odd, and there are much fewer (open) alveoli than normal. The alveoli that are present are covered by a hyaline “membrane”. '''Diagnosis''': Neonatal respiratory distress syndrome '''Causes''': * Lack of pulmonary surfactant '''Theory''': In NRDS are most alveoli atelectic (collapsed), which is why so few alveoli are visible and why the lung parenchyme looks “denser”. The at...")
 
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'''Staining''': PAS
[[File:NRDS overview.png|thumb|Overview of the slide]]'''Staining''': PAS


'''Organ''': Lung
'''Organ''': Lung
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The lung parenchyme look odd, and there are much fewer (open) alveoli than normal. The alveoli that are present are covered by a hyaline “membrane”.
The lung parenchyme look odd, and there are much fewer (open) alveoli than normal. The alveoli that are present are covered by a hyaline “membrane”.


'''Diagnosis''': Neonatal respiratory distress syndrome
'''Diagnosis''': Neonatal respiratory distress syndrome[[File:NRDS atelectic alveoli.png|thumb|The area between the open alveoli contains many atelectic alveoli]]'''Causes''':
 
'''Causes''':


* Lack of pulmonary surfactant
* Lack of pulmonary surfactant
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RBCs enter the alveoli when the alveolo-capillary membrane is damaged.
RBCs enter the alveoli when the alveolo-capillary membrane is damaged.
[[File:NRDS overview.png|center|thumb|Overview of the slide]]
[[File:NRDS hyaline membrane.png|thumb|Hyaline membrane covering the wall of the alveolus|left]]
[[File:NRDS atelectic alveoli.png|center|thumb|The area between the open alveoli contains many atelectic alveoli]]
[[File:NRDS hyaline membrane.png|center|thumb|Hyaline membrane covering the wall of the alveolus]]
[[Category:Pathology 1 - Histopathology slides]]
[[Category:Pathology 1 - Histopathology slides]]