Do elevated neutrophils in the bronchoalveolar lavage of patients with sarcoidosis have any prognostic value?

Neutrophils in the alveolar space are uncommon in healthy non-smoking individuals, accounting for around 1% of cells in bronchoalveolar lavage (BAL). Macrophages compose 80–90% of the cells policing the alveolar surface, with the remaining cells being lymphocytes, rare eosinophils, and basophils. A ...