Lung - nontumor
Cystic disease / congenital anomalies

Author: Elliot Weisenberg, M.D. (see Authors page)

Revised: 21 February 2017, last major update August 2011

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

PubMed search: pulmonary hypoplasia [title]

Cite this page: Hypoplasia. website. Accessed December 14th, 2018.
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