Diffuse Alveolar Damage: A Common Phenomenon in Progressive Interstitial Lung Disorders

Table 1

Classifications of interstitial pneumonias.

Liebow 1969	Katzenstein & Myers 1998	ATS & ERS Statement 2002	ATS & ERS Statement 2002
		Histological pattern	Clinico-radiographic-pathological diagnosis
UIP	UIP	UIP	IPF
DIP	DIP	DIP	DIP
	RB-ILD	RB-ILD	RB-ILD
LIP		LIP	LIP
GIP
BIP		OP	COP
	AIP	DAD	AIP
	NSIP	NSIP	NSIP

UIP: usual interstitial pneumonia
IPF: idiopathic pulmonary fibrosis
DIP: desquamative interstitial pneumonia
RB-ILD: respiratory bronchiolitis interstitial pneumonia
LIP: lymphocytic interstitial pneumonia
GIP: giant cell interstitial pneumonia
BIP: bronchiolitis obliterans interstitial pneumonia
OP: organizing pneumonia
COP: cryptogenic organizing pneumonia
AIP: acute interstitial pneumonia
DAD: diffuse alveolar damage
NSIP: nonspecific interstitial pneumonia.