Pediatric Surgery International

, Volume 34, Issue 6, pp 613–620 | Cite as

Symptom development in originally asymptomatic CPAM diagnosed prenatally: a systematic review

  • Navot Kantor
  • Carolyn Wayne
  • Ahmed NasrEmail author
Original Article



For the approximately three quarters of patients with a prenatal diagnosis of congenital pulmonary airway malformation (CPAM) who are asymptomatic at birth, the chance of eventually developing symptoms is unknown. We sought to explore the natural history of asymptomatic CPAM.


We searched EMBASE, MEDLINE, and the first 50 results from Google Scholar. Studies describing the natural history of prenatally diagnosed, initially asymptomatic CPAM were included. For asymptomatic patients initially managed non-surgically, we tabulated the proportion who went on to develop symptoms as well as the median age at symptom development.


We included data from 19 retrospective studies on 353 patients. Of the 128 patients managed expectantly, 31 (24.2%) developed symptoms requiring surgical intervention. The median age at symptom development was 7.5 months (range 15 days–5 years).


The risk for developing respiratory symptoms exists with originally asymptomatic CPAM patients, but the exact risk is difficult to predict. Parents may be given the value of approximately 1 in 4 as an estimate of the proportion of asymptomatic CPAM patients who go on to develop symptoms, which will help them make an informed decision regarding the option of elective surgery.


Pulmonology Surgery CPAM Congenital lung lesion Systematic review 



We thank Margaret Sampson, MLIS, PhD, AHIP (Children’s Hospital of Eastern Ontario) for developing the electronic search strategies.


University of Ottawa Faculty of Medicine Studentship.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflicts of interest.

Supplementary material

383_2018_4264_MOESM1_ESM.docx (18 kb)
Supplementary material 1 (DOCX 18 KB)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of SurgeryChildren’s Hospital of Eastern OntarioOttawaCanada
  2. 2.Faculty of MedicineUniversity of OttawaOttawaCanada

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