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Title: Prognostic significance of skin and subcutaneous fat sequestration of parasites in severe falciparum malaria
Authors: Polrat Wilairatana
Mario Riganti
Pranom Puchadapirom
Benjanee Punpoowong
Suparp Vannaphan
Rachanee Udomsangpetch
Srivicha Krudsood
Gary M. Brittenham
Sornchai Looareesuwan
Mahidol University
MetroHealth Medical Center Cleveland
Keywords: Medicine
Issue Date: 1-Jun-2000
Citation: Southeast Asian Journal of Tropical Medicine and Public Health. Vol.31, No.2 (2000), 203-212
Abstract: Intradermal blood smear, histopathologic and immunohistologic studies were performed in severe malaria (n=10) and uncomplicated malaria (n=10) patients during positive parasitemia and within 6 hours after negative parasitemia by finger prick smears. Intradermal blood smears showed asexual forms and intraleukocytic pigments when finger prick blood smears showed negative results; however intradermal blood smear did not indicate disease severity within 6 hours after negative parasitemia by finger prick. Histopathologic findings showed 15 fold higher parasitized red blood cells sequestered in vessels of subcutaneous fatty tissue in severe malaria than in uncomplicated malaria (p<0.001) and may indicate disease severity. A panel of polyclonal antibodies against cytokines applied to skin biopsies clearly detected a higher titer against tumor necrosis factor-alpha (TNFα) and interleukin-10 (IL-10) in dermal vessels and stratum granulosum respectively, in severe malaria compared with uncomplicated malaria. Results of the study suggest that histopathology and immunohistology of skin and subcutaneous fatty tissue may indicate prognostic severity of malaria and may be associated with focal accumulation of cytokines.
ISSN: 01251562
Appears in Collections:Scopus 1991-2000

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