Multiple parasites: Difference between revisions
From MalariaETC
(Created page with "{{DISPLAYTITLE:<span style="position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);">{{FULLPAGENAME}}</span>}} ---- <span style="font-size:90%">back</span></br> ---- {| class="wikitable" style="widthe:90%; border-style: solid; border-width: 4px; border-color:teal" |colspan="1" style = "font-size:140%; color:black; background: FFFAFA"|<span style="color:black>'''Tilolo'''</span> ---- <span style="font-size:90%> In some cases more tha...") |
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|style = "font-size:110%; color:black; background: gainsboro |'''Navigation'''</br> | |||
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|<span style="font-size:110%">>[[Plasmodium_falciparum:_Morphology|Return to previous Page]]''</span></br> | |||
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{| class="wikitable" style="widthe: | |colspan="1" style = "font-size:130%; color:black; background: FFFAFA"|<span style="color:black>'''Multiple parasites per cell'''</span> | ||
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<span style="font-size:90%>In some cases more than one parasite (most often though not always early or late trophozoites) infect a single erythrocyte. This is a surprisingly frequent finding, and it has been suggested some red cells are more attractive to parasites, or that already infected cells are more susceptible.</span> | |||
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In some cases more than one parasite (most often early or late trophozoites) | |||
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<span style="font-size: | <span style="font-size:90%">''The most frequent form - two early trophozoites of P.falciparum in a single erythrocyte''</span> | ||
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<span style=" | <span style="font-size:90%>'''Species significance'''</span> | ||
<span style="font-size:90%>This is most often considered a feature indicating ''P.falciparum'' infection and is sufficiently frequent in that species to support the diagnosis of ''P.falciparum'' malaria. However, it should not considered as a fully specific feature, and may occur in any malaria species - and particularly in ''P.knowlesi'' (this is also a frequent finding for babesia parasites).</span> | |||
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<span style="font-size: | <span style="font-size:90%">''Double parasites in: late trophozoite of P.malaria (A) late trophozoite of P.vivax (B) and late trophozoite of P.ovale (C)''</span> | ||
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Latest revision as of 17:48, 26 December 2024
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| Multiple parasites per cell
In some cases more than one parasite (most often though not always early or late trophozoites) infect a single erythrocyte. This is a surprisingly frequent finding, and it has been suggested some red cells are more attractive to parasites, or that already infected cells are more susceptible.
The most frequent form - two early trophozoites of P.falciparum in a single erythrocyte
Species significance This is most often considered a feature indicating P.falciparum infection and is sufficiently frequent in that species to support the diagnosis of P.falciparum malaria. However, it should not considered as a fully specific feature, and may occur in any malaria species - and particularly in P.knowlesi (this is also a frequent finding for babesia parasites). Additional images
Double parasites in: late trophozoite of P.malaria (A) late trophozoite of P.vivax (B) and late trophozoite of P.ovale (C) |
