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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 hyaline membrane.png|thumb|Hyaline membrane covering the wall of the alveolus|left]] | |||
[[File:NRDS hyaline membrane.png | |||
[[Category:Pathology 1 - Histopathology slides]] | [[Category:Pathology 1 - Histopathology slides]] | ||