Table 2.
Characteristics of 16 LAM Patients With Pneumothorax
| Patient No. | CT Scan Score | Cyst Size | Prior Pneumothorax /Pleurodesis | Type of Pneumothorax* | Mode of Travel | Oxygen Use |
|---|---|---|---|---|---|---|
| 1 | 3 | III | Yes/Yes | Chronic (3) | Train | Yes |
| 2 | 1 | II | Yes/Yes | Chronic (3.5) | Airplane | No |
| 3 | 1 | III | Yes/Yes | New | Airplane | No |
| 4 | 2 | III | Yes/Yes | Chronic (2) | Airplane | Yes |
| 5 | 0 | III | Yes/Yes | New | Airplane | No |
| 6 | 1 | III | Yes/Yes | Chronic (4) | Airplane | No |
| 7 | 1 | III | Yes/Yes | Chronic (2) | Airplane | No |
| 8 | 2 | III | Yes/Yes | Chronic (2) | Airplane | Yes |
| 9 | 0 | III | Yes/Yes | New | Airplane | No |
| 10 | 1 | III | Yes/Yes | New | Car | No |
| 11 | 2 | III | Yes/Yes | New | Airplane | Yes |
| 12 | 1 | III | Yes/Yes | New | Airplane | Yes |
| 13 | 1 | III | Yes/Yes | Chronic (2.5) | Airplane | No |
| 14 | 3 | III | Yes/Yes | New | Airplane | Yes |
| 15 | 1 | III | Yes/No | Chronic (1) | Airplane | No |
| 16 | 1 | II | No/No | Chronic (1) | Airplane | No |
CT scan: grade 0, 1 to 10 lung cysts; grade I, < 30% abnormal lung; grade II, 30 to 60% abnormal; grade III, > 60% abnormal. Average cyst size: I, < 0.5 cm; II, 0.5 to 1.0 cm; III, > 1.0 cm.
*The duration of chronic pneumothoraces (in years) before patients traveled to the NIH is shown in parentheses.