Case Report
3D Imaging in Unilateral Primary Pulmonary Hypoplasia in an Adult: A Case Report
Table 1
Development of the lung (based on Hislop [
2]).
| Embryonic stage:
4–7 weeks | Bronchial segmentation:
(i) up to 10 generations | Extrapulmonary artery: 34 days
Lobular arteries: 44 days |
| Pseudoglandular:
5–17 weeks | Bronchi, bronchioli, respiratory bronchioli:
(i) up to 18 generations | Preacinar arteries: 5–17 weeks |
| Canalicular:
16–23 weeks | Respiratory bronchioli, alveolar ducts:
(i) up to 22 generations | Intra-acinar arteries: 18–25 weeks, alveolar duct arteries |
| | Maturation stage | Sacullus:
(i) up to 23 generations; alveoli | Alveolar duct arteries: 25 weeks–18 months postnatal
Alveolar capillaries: 36 weeks–18 years |
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