Table 1 Comparison of clinically diagnosed DPLD (with number of cases and matching histopathological findings) and averagely reported diagnostic yield by forceps biopsy

COP

9

8/9 (89%)

65% (10, 27, 28)

Rheumatoid lung disease

2

2/2 (100%)

Sarcoidosis

12

10/12 (83%)

69% (10, 28, 29)

Alveolar microlithiasis

1

1/1 (100%)

-

NSIP

1

1/1 (100%)

-

medically-induced lung damages

2

2/2 (100%)

-

HP

7

6/7 (86%)

95% (10)

Pulmonary manifestation of scleroderma

2

1/2 (50%)

-

Histiocytosis

2

1/2 (50%)

-

pANCA-pos. Vasculitis

1

0/1 (0%)

-

IPF

13

9/13 (69%)

34% (1, 10)