Section of brain from a case of primary meningoencephalitis caused by Naegleria fowleri. A portion of a blood vessel (B) and the surrounding perivascular region are seen. Numerous trophic amoebae are present in the perivascular space. Hematoxylin-eosin stain. Bar measures 12 microm.
PAM: primary amebic meningoencephalitis.
Reproduced from: Schuster FL, Visvesvara GS. Free-living ameoebae as opportunistic and non-opportunistic pathogens of humans and animals. Int J Parasitol 2004; 34:1001. Illustration used with the permission of Elsevier Inc. All rights reserved.
