Volume 8, Number 4—April 2002
Synopsis
Baylisascaris procyonis: An Emerging Helminthic Zoonosis
Table
Reported human cases of larval Baylisascaris procyonis infection
Yeara | Location | Age | Sex | Clinical | Outcome | Reference |
---|---|---|---|---|---|---|
1980 | Pennsylvania | 10 mo | Male | Eosinophilic meningoencephalitis | Fatal | 17 |
1984 | Illinois | 18 mo | Male | Eosinophilic meningoencephalitis | Fatal | 18 |
1990 | New York | 13 mo | Male | Eosinophilic meningoencephalitis | Severe neurologic sequelae | 19 |
1992 | California | 29 yr | Male | Diffuse unilateral subacute neuroretinitis | Ocular sequelae | 21 |
1991 | Germany | 48 yr | Female | Diffuse unilateral subacute neuroretinitis | Ocular sequelae | 22 |
1995 | Massachusetts | 10 yr | Male | Esoinophilic cardiac pseudotumor | Fatal | 20 |
1996 | Michigan | 6 yr | Male | Chorioretinitis, neurologic deficits | Severe neurologic sequelae | 23 |
1996 | Michigan | 2 yr | Male | Eosinophilic meningoencephalitis, chorioretinitis | Severe neurologic sequelae | 23 |
1997 | California | 13 mo | Male | Eosinophilic meningoencephalitis | Severe neurologic sequelae | 2 |
1998 | California | 11 mo | Male | Eosinophilic encephalitis | Severe neurologic sequelae | 1 |
1999 | California | 17 yr | Male | Eosinophilic meningoencephalitis | Fatal | b |
aYear of onset or report.
b Pers. comm., W. Murray.
References
- Rowley HA, Uht RM, Kazacos KR, Sakanari J, Wheaton WV, Barkovich AJ, Radiologic-pathologic findings in raccoon roundworm (Baylisascaris procyonis) encephalitis. AJNR Am J Neuroradiol. 2000;21:415–20.PubMed
- Hamann KJ, Kephart GM, Kazacos KR, Gleich GJ. Immunofluorescent localization of eosinophil granule major basic protein in fatal human cases of Baylisascaris procyonis infection. Am J Trop Med Hyg. 1989;40:291–7.PubMed
- Beaver P, Jung RC, Cupp EW. Clinical parasitology. Philadelphia: Lea & Febiger; 1984.
- Richardson JA, Kazacos KR, Thacker HL, Dhillon AS, Winterfield RW. Verminous encephalitis in commercial chickens. Avian Dis. 1979;24:498–503. DOI
- Kazacos KR, Kazacos EA, Render JA, Thacker HL. Cerebrospinal nematodiasis and visceral larva migrans in an Australian (Latham’s) brush turkey. J Am Vet Med Assoc. 1982;818:1295–8.
- Kazacos KR, Reed WM, Thacker HL. Cerebrospinal nematodiasis in pheasants. J Am Vet Med Assoc. 1986;189:1353–4.PubMed
- Van Andel RA, Franklin CL, Besch-Williford C, Riley LK, Hook RR, Kazacos KR. Cerebrospinal larva migrans due to Baylisascaris procyonis in a guinea pig colony. Lab Anim Sci. 1995;45:27–30.PubMed
- Kazacos KR, Reed WM, Kazacos EA, Thacker HL. Fatal cerebrospinal disease caused by Baylisascaris procyonis in domestic rabbits. J Am Vet Med Assoc. 1983;183:967–71.PubMed
- Kazacos KR, Appel GO, Thacker HL. Cerebrospinal nematodiasis in a woodchuck suspected of having rabies. J Am Vet Med Assoc. 1981;179:1102–4.PubMed
- Campbell GA, Hoover JP, Russell WC, Breazile JE. Naturally occurring cerebral nematodiasis due to Baylisascaris larval migration in two black-and-white ruffed lemurs (Varecia variegata variegata) and suspected cases in three emus (Dromaius novaehollandiae). J Zoo Wildl Med. 1997;28:204–7.PubMed
- Williams CK, McKown RD, Veatch JK, Applegate RD. Baylisascaris sp. found in a wild northern bobwhite (Colinus virginianus). J Wildl Dis. 1997;33:158–60.PubMed
- Rudmann DG, Kazacos KR, Storandt ST, Harris DL, Janovitz EB. Baylisascaris procyonis larva migrans in a puppy: a case report and update for the veterinarian. J Am Anim Hosp Assoc. 1996;32:73–6.PubMed
- Fitzgerald SD, White MR, Kazacos KR. Encephalitis in two porcupines due to Baylisascaris larval migration. J Vet Diagn Invest. 1991;3:359–62.PubMed
- Ball RL, Dryden M, Wilson S, Veatch J. Cerebrospinal nematodiasis in a white-handed gibbon (Hylobates lar) due to Baylisascaris sp. J Zoo Wildl Med. 1998;29:221–4.PubMed
- Fox AS, Kazacos KR, Gould PT, Thomas C, Boyer KM. Fatal eosinophilic meningoencephalitis and visceral larva migrans caused by the raccoon ascarid Baylisascaris procyonis. N Engl J Med. 1985;312:1619–23.PubMed
- Cunningham CK, Kazacos KR, McMillan JA, Lucas JA, McAuley JB, Wozniak EJ, Diagnosis and management of Baylisascaris procyonis infection in an infant with nonfatal meningoencephalitis. Clin Infect Dis. 1994;18:868–72.PubMed
- Boschetti A, Kasznica J. Visceral larva migrans induced eosinophilic cardiac pseudotumor: a cause of sudden death in a child. J Forensic Sci. 1995;40:1097–9.PubMed
- Goldberg MA, Kazacos KR, Boyce WM, Ai E, Katz B. Diffuse unilateral subacute neuroretinitis. Morphometric, serologic, and epidemiologic support for Baylisascaris as a causative agent. Ophthalmology. 1993;100:1695–701.PubMed
- Gavin PJ, Shulman ST, Kazacos KR, Davis AT, Mets MB, Byrd S, Neural larva migrans caused by the raccoon roundworm Baylisascaris procyonis: Two pediatric cases from Chicago, Illinois. American Society of Microbiology Conference, May 2001, Abstract No. C-443.
- Kazacos KR. Byalisascaris procyonis and related species. In: Sanuel WM, Pybus MJ, Cawthorn RJ, editors. Parasitic diseases of wild mammals. Ames (IA): Iowa State University Press; 2001.
- Raymond LA, Gutierrez Y, Strong LE, Wander AH, Buten R, Cordan D. Living retinal nematode (filarial-like) destroyed with photocoagulation. Ophthamology. 1978;85:944–9.
- Orihel T, Ash LR. Parasites in human tissue. Chicago: American Society of Clinical Pathologists; 1995.
- Gass JDM, Gilbert WR, Guerry RK, Scelfo R. Diffuse unilateral subacute neuroretinitis. Opthalmology. 1978;85:521–45.
- Jacobson JE, Kazacos KR, Montague FH. Prevalence of eggs of Baylisascaris procyonis (Nematoda:Ascaroidea) in raccoon scats from an urban and a rural community. J Wildl Dis. 1982;18:461–4.PubMed
- Phills JA, Harrold AJ, Whiteman GV, Perelmutter L. Pulmonary infiltrates, asthma and eosinophilia due to Ascaris suum infestation in man. N Engl J Med. 1972;286:965–70.PubMed
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