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Bilateral Choroiditis From Prototheca wickerhamii Algaemia
Arch Ophthalmol. 2005;123:1138-1141.
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Algae are a diverse group of eukaryotic, photosynthetic microbes. They are not plant, animal, or fungus but are—along with molds and mildews—members of the kingdom Protista. Though generally considered noninfectious agents in mammals, a few algae are pathogenic. One example is Prototheca, a nonphotosynthetic alga. Prototheca organisms exist worldwide and are readily isolated from rivers, lakes, ponds, and soil. While protothecosis in canine and bovine species is common, infection in humans is rare. In the past 25 years, approximately 100 human cases of protothecosis have been reported. Most of these cases have been caused by Prototheca wickerhamii, although Prototheca zopfi has been recovered from 2 patients.1
The most common site of protothecosis is the skin, and this may manifest as erythema, papulonodules, plaques, and ulcers. Immunocompromised patients tend to have more severe lesions that may be vesicobullous with purulent discharge. Disseminated infection such as peritonitis, endocarditis, urinary tract . . . [Full Text of this Article] Report of a Case
Comment
AUTHOR INFORMATION
Seenu M. Hariprasad, MD;
Anita Prasad, MD;
Morton Smith, MD;
Gaurav K. Shah, MD;
M. Gilbert Grand, MD;
J. Banks Shepherd, MD;
Jason Wickens, MD;
Rajendra S. Apte, MD;
Robert S. Liao, PhD;
Russell Van Gelder, MD, PhD
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES
Human Protothecosis
Lass-Florl and Mayr
Clin. Microbiol. Rev. 2007;20:230-242.
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