Table 4

Histological characteristics of patients with SFTPC mutations

All patients (n=13)Non-BRICHOS domain (n=9)BRICHOS domain (n=4)
Median age at biopsy (range), in month6 (3–68)8 (4–68)4 (3–6)
Type II cells hyperplasia13 (100)8 (62)5 (38)
Septal thickening13 (100)8 (62)5 (38)
Mild fibrosis7 (54)4 (31)3 (23)
Lymphoplasmocytic infiltrate11 (85)8 (62)3 (23)
Intra-alveolar macrophages10 (77)6 (46)4 (31)
Intra-alveolar material accumulation7 (54)3 (23)4 (31)
  • The percentage of the total is indicated in parentheses.