(Method: Microscopic examination) The method of reporting results of cytology examinations varies according to the laboratory performing the test. Terms used to report results may include negative (no abnormal cells seen), inflammatory, benign atypical, suspect for neoplasm, and positive for neoplasm.

Positive Findings In:

• Infections caused by fungi, ova, or parasites
• Lipoid or aspiration pneumonia, as seen by lipid droplets contained in macrophages
• Neoplasms
• Viral infections and lung disease