Lung - nontumor
Cystic disease / congenital anomalies

Topic Completed: 1 August 2011

Revised: 28 January 2019, last major update August 2011

Copyright: (c) 2003-2017,, Inc.

PubMed search: pulmonary hypoplasia [title]

Elliot Weisenberg, M.D.
Page views in 2019: 466
Page views in 2020 to date: 200
Cite this page: Weisenberg E. Hypoplasia. website. Accessed May 31st, 2020.
Definition / general
  • 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

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