RT Journal Article SR Electronic T1 Pneumocystis carinii pneumonia: a light microscopical and ultrastructural study. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1138 OP 1146 DO 10.1136/jcp.34.10.1138 VO 34 IS 10 A1 Hasleton, P S A1 Curry, A A1 Rankin, E M YR 1981 UL http://jcp.bmj.com/content/34/10/1138.abstract AB A case of Pneumocystis carinii pneumonia developing a patient with treated diffuse lymphocytic lymphoma is described. The electron microscopic features and life cycle of the organism are illustrated. The patient died twenty-four hours after the biopsy had been taken. Septrin appeared to have affected the trophozoite stage. Pneumocystis carinii appears to induce interstitial pulmonary oedema and fibrosis. A discussion of the role of electron microscopy in early diagnosis of the disease is presented.