From: Birt-Hogg-Dubé syndrome encountered at rare lung disease clinic in Anhui province, China
Feature | Cases(n = 48) |
---|---|
Number | |
< 10 | 2 (4%) |
10–20 | 3 (6%) |
> 20 | 43 (90%) |
Distribution | |
Bilateral to unilateral | |
Bilateral | 47 (98%) |
Unilateral | 1 (2%) |
Upper to lower | |
Upper dominant | 0 |
Lower dominant | 48 (100%) |
Central to peripheral | |
Central dominant | 41 (85%) |
Peripheral dominant | 14 (29%) |
Neither central nor peripheral | 4 (8%) |
Size of maximum cysts | |
< 1 cm | 1 (2%) |
1–2 cm | 9 (19%) |
2-5 cm | 28 (58%) |
> 5 cm | 10 (21%) |
Shape | |
Round to oval | 2 (4%) |
Irregular | 46 (96%) |