Fig. 1From: Immune alveolitis in interstitial lung disease: an attractive cytological profile in immunocompromised patientsTypical morphological characteristics of immune alveolitis on bronchoalveolar lavage. Activated lymphocytes (thin black arrow) (A), desquamation of macrophages into cohesive clusters (thick black arrow) (B), epithelioid transformation of macrophages and foamy macrophages (intra-cytoplasmic vacuoles) (red arrow) (C). May-Grünwald Giemsa ×40Back to article page