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Title:   Author  item
                                            ARNESS, MARK - UNIFORMED SERVICES, MDitem
                                            BROWN, JOEL - TRIPLER ARMY FORCES, HIitem
                                            Dubey, Jitenderitem
                                            NEAFIE, RONALD - ARMED FORCES WASH, DCitem
                                            GRANDSTROM, DAVID - AM VET MED ASSOC, IL
  Submitted to: American Journal of Tropical Medicine and Hygiene
                                    Publication Type: Peer Reviewed Journal
                                    Publication Acceptance Date: 6/6/1999
                                    Publication  Date: N/A
                                    Citation: N/AInterpretive Summary: Parasites of the genus Sarcocystis are single-celled organisms that can cause abortion and weight loss in livestock.  Herbivores (sheep, cattle) become infected with Sarcocystis by ingesting the parasite excreted in feces of carnivores and omnivores (dogs, humans).  Sarcocystis rarely causes clinical disease in humans.  Scientists at the Beltsville  Agricultural Research Center and the Uniformed Services University Health Sciences, Bethesda, Maryland report an outbreak of muscle disease associated with Sarcocystis infection in 7 U.S. Army men on a mission in rural Malaysia.  The results will be of interest to public health workers, physicians and parasitologists.
                                Technical Abstract: Seven members of a 15 man military team which had operated in rural Malaysia developed an acute illness consisting of fever, myalgias, bronchospasm fleeting pruritic rashes, transient lymphadenopathy and subcutaneious nodules associated with eosinophilia, elevated erythrocyte sedimentation rate and elevated levels of muscle creatinine kinase.  Sarcocysts of an unidentified Sarcocystis species were found in skeletal muscle biopsies of the index case.  Albendazole ameliorated symptoms in the index case; however, his symptoms persisted for over five years. Symptoms in five others were mild to moderate and self-limited, and one team member with laboratory abnormalities was asymptomatic.  Of eight team members tested for anti-Sarcocystis antibody, six were positive; of four with the eosinophilic myositis syndrome who were tested, all were positive.  We attribute this outbreak of eosinophilia-myositis to accidental tissue  parasitism by Sarcocystis.


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