From: The efficacy of video-assisted thoracoscopic surgery lung biopsies in patients with interstitial lung disease: a retrospective study of 66 patients
Ddx after CT scan
No. of patients
%
UIP
19
28.8
Hypersensitivity pneumonitis
16
24.2
NSIP
12
18.2
Infection
9
13.6
COP
Sarcoidosis
CTD
Malignancy
8
12.1
No differential given
6
9.1
Drug
4
6.1
Other
22
33.3