Figure. . Test results of cerebrospinal fluid and brain tissue in HIV-positive man with signs and symptoms of meningitis, Atlanta, Georgia, USA, 2011. A) Atypical lymphocytes containing flower-shaped nuclei (arrows) and coarse chromocenters (arrowhead). Cerebrospinal fluid processed by Cytospin centrifuge (Thermo Electron Corp., Waltham, MA, USA) and prepared by Papanicolaou staining. Original magnification ×100. B) Gomori methenamine silver stain of sampled brain tissue showing multiple spherules and endospores of Coccidioides spp. Original magnification ×40.