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Volume 22, Number 8—August 2016

Baylisascaris procyonis–Associated Meningoencephalitis in a Previously Healthy Adult, California, USA

Charles LangelierComments to Author , Michael J. Reid, Cathra Halabi, Natalie Witek, Alejandro LaRiviere, Maulik Shah, Michael R. Wilson, Peter Chin-Hong, Vanja Douglas, Kevin R. Kazacos, and Jennifer M. Babik
Author affiliations: University of California, San Francisco, California, USA (C. Langelier, M.J. Reid, C. Halabi, N. Witek, A. LaRiviere, M. Shah, M.R. Wilson, P. Chin-Hong, V. Douglas, J.M. Babik); Purdue University College of Veterinary Medicine, West Lafayette, Indiana, USA (K.R. Kazacos)

Main Article

Table 1

Microbiologic diagnostics obtained during testing of a previously healthy patient with Baylisascaris meningoencephalitis, California, USA*

Diagnostic study Site Result
Bacterial cultures ×4 Blood and CSF Negative
Coxiella antibody Blood Negative
Bartonella henselae and B. quintana antibodies Blood Negative
Mycoplasma antibody Blood IgM negative, IgG 1:5
Rickettsial antibody panel Blood Negative
Venereal Disease Research Laboratory test CSF Negative
Lyme disease antibody CSF Negative
Cytomegalovirus PCR CSF Negative
Epstein–Barr virus PCR CSF Negative
Enterovirus PCR CSF Negative
Herpes simplex virus PCR CSF Negative
Lymphocytic choriomeningitis virus IgM, IgG CSF IgM 1:2, IgG negative†
Varicella zoster virus PCR, IgM, IgG CSF Negative
West Nile virus IgM, IgG CSF Negative
Baylisascaris antibody Blood and CSF Positive
Strongyloides antibody Blood Negative
Trichinella antibody Blood Negative
Toxocara antibody Blood Negative
Toxoplasma antibody Blood Negative
Ova and parasite stain CSF Negative
Fungal stains and cultures ×4 Blood and CSF Negative
Coccidiodes antibody by complement fixation Blood and CSF Negative
Coccidiodes antibody by immunodiffusion Blood Negative
Cryptococcal antigen
Blood and CSF
AFB stains and cultures ×4 CSF Negative
Broad-range PCR (bacteria, fungi, AFB)
Cytology CSF Chronic inflammation

*AFB, acid-fast bacilli; CSF, cerebrospinal fluid.
†A low-titer IgM for lymphocytic choriomeningitis virus was considered to be a false-positive result.

Main Article

Page created: September 12, 2016
Page updated: September 12, 2016
Page reviewed: September 12, 2016
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.