Table 4.: Bronchoalveolar Lavage (BAL) Cell Differentials as an Adjunct to Diagnosis (Adapted from 108 and 109)

Typical BAL Findings Examples
Neutrophilic Idiopathic pulmonary fibrosis
Acute respiratory distress syndrome
Connective tissue disorders
Wegener`s granulomatosis
Eosinophilic Allergic bronchopulmonary aspergillosis
Churg Strauss syndrome
Eosinophilic pneumonia
Idiopathic hypereosinophilic syndrome
Lymphocytic Sarcoidosis
Hypersensitivity pneumonitis
Crohn disease
Mixed cellularity BOOP
Connective-tissue disease
Nonspecific interstitial pneumonia