Figure 6. a) Red colored colonies appeared on Lowenstein-Jensen’s medium after one week of incubation. b) Gram’s stain of the bacterium grown on Lowenstein-Jensen’s medium showing branched gram-positive filamentous bacilli. c) Acid-fast staining revealed non-acid-fast bacteria (Video 1: Bacteria as observed directly from the aspirated pus showing long filamentous structure: https://www.youtube.com/watch?v=K4bblPIezzM)

From

Human Actinomycosis: Report of a Rare Case of Disseminated Actinomycosis Presenting as Varicosities and Deep Vein Thrombosis

Venkataramana Kandi, Vikas Chennamaneni, Suman Kaveti, Ritu Vaish, Padmavali Palange, Sri Sandhya Koka, Mohan Rao Bhoomigari

American Journal of Infectious Diseases and Microbiology. 2018, 6(3), 66-71 doi:10.12691/ajidm-6-3-1