Pneumonia alba (white pneumonia) is often seen in neonates with congenital syphilis. The lung may be firm and pale, owing to the presence of inflammatory cells and fibrosis in the alveolar septa. Spirochetes are readily demonstrable in tissue sections. References Perkins, [edited by] Vinay Kumar, Ramzi S. Cotran, Stanley L. Robbins; with illustrations by James A. (2004). Robbins Basic Pathology : With Studentconsult Access. (7r.e. ed.). Singapore: Elsevier Saunders. . Lung disorders