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Trait

Panacinar emphysema

Panacinar emphysema involves all portions of the acinus and secondary pulmonary lobule more or less uniformly. It predominates in the lower lobes and is the form of emphysema associated with1-antitrypsin deficiency. CT scans show a generalized decrease of the lung parenchyma with a decrease in the caliber of blood vessels in the affected lung. Severe panacinar emphysema may coexist and merge with severe centrilobular emphysema. The appearance of feature less decreased attenuation may be indistinguishable from severe constrictive obliterative bronchiolitis.

HPO HP:0032967

Summary

Body system
Abnormality of the respiratory system

1 gene linked to Panacinar emphysema

Changes in these genes cause rare conditions in which Panacinar emphysema is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

GeneHow often it is seenConditions
SERPINA1serpin family A member 1Not recordedIn 1 condition

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Broader traits

Emphysema

Where this comes from

  • The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
  • Data release 2026.10.16-c6eea6bf.

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