| Adenomatoid Malformation
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Etiology
• Congenital.
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Pathogenesis
•
Abnormal bronchiolar division resulting in cyst formation.,
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Epidemiology
• Rare
congenital anomaly
• Type 2 may be associated with other malformations.
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General Gross Description
• Three
major patterns including I (large cysts), II (multiple small-medium cysts),
III (massive area of small cysts)
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General Microscopic Description
• Type 1 generally lined by ciliated
epithelium.
• Type 2 and 3 lined by bronchiolar type epithelium
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Clinical Correlation
• Present in
post-natal period with respiratory distress.
• Patients with type 2 lesion may have symptoms from other
malformations.
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References
• Saldana MJ. Pathology of Pulmonary Disease. Philadelphia: J.B. Lippincott, 1994. pp. 79-81.
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| Adenomatoid Malformation
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| Synopsis by: Melinda Sanders M.D. (T28000M20000)[134]
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