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  • Title: [Recurrent strongyloidiasis as an indicator of HTLV-1 infection].
    Author: Richter J, Schwarz U, Duwe S, Ellerbrok H, Poggensee G, Pauli G.
    Journal: Dtsch Med Wochenschr; 2005 Apr 22; 130(16):1007-10. PubMed ID: 15830313.
    Abstract:
    HISTORY AND CLINICAL FINDINGS: A 53-year-old West African man presented two years after a travel to Guinea because of severe headache, neck stiffnes, fever and pruritus. The patient had been in orthopedical treatment for the last five months. INVESTIGATIONS: Stool microscopy revealed a high number of Strongyloides stercoralis larvae. Hematology, biochemistry and all other parasitology results were normal. HIV-1/2 testing was negative and CD4+-lymphocyte count was normal. Concomitant infection by Human T Cell lymphotropic virus type 1 (HTLV-1) was confirmed by serology and PCR. The phylogenetic analysis confirmed African origin of the virus. TREATMENT: The infection responded to a five-day course of albendazol at 400 mg/d but during the following five years repeat recrudescences were observed inspite of high-dosage and prolonged antiparasitic treatments. Eventually, eradication of the infection was achieved by a four day course of ivermectin 0.2 mg/kg/d. CONCLUSIONS: Although both strongyloidiasis and HTLV-1 infections occur most frequently in tropical areas, these may also be observed in temperate regions. Suppression of the immune system by HTLV-1 differs from that by HIV. CD4+-lymphocytes were rarely decreased. Prolonged treatment with ivermectin in a dosage exceeding the current recommendations may be required in HTLV-1 infected patients and was well tolerated. The unusual presentation of the infection with muscular symptoms contributed to the delay of the diagnosis. HTLV-1 positive patients must be monitored for years. They and their partners must be instructed how to prevent transmission of the virus.
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