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Lung-nontumor

Cystic disease/congenital anomalies

Hypoplasia

Reviewers: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 25 August 2011, last major update August 2011
Copyright: (c) 2003-2011, PathologyOutlines.com, Inc.

Definition
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● Incomplete development of lung; lung usually weighs less than normal with fewer alveoli than expected for gestational age
● Bilateral hypoplastic disease is fatal
● Causes: oligohydramnios (renal agenesis, fetal membrane rupture), decreased intrathoracic space (renal cystic disease, diaphragmatic hernia), reduced breathing (anencephaly, musculoskeletal disorders, brainstem hypodevelopment, Virchows Arch 2009;454:451)
● References: eMedicine

Gross images
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Severe pulmonary hypoplasia

End of Lung-nontumor > Cystic disease/congenital anomalies > Hypoplasia

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