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Bancroftian lymphadenopathy: absence of eosinophils in tissues despite peripheral blood hypereosinophilia.

Identifieur interne : 00C874 ( Main/Exploration ); précédent : 00C873; suivant : 00C875

Bancroftian lymphadenopathy: absence of eosinophils in tissues despite peripheral blood hypereosinophilia.

Auteurs : J. Figueredo-Silva [Brésil] ; G. Dreyer ; K. Guimarães ; C. Brandt ; Z. Medeiros

Source :

RBID : pubmed:8107175

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English descriptors

Abstract

We studied the association of eosinophils with Wuchereria bancrofti parasites in two children with biopsy-proven filarial lymphadenopathy and peripheral blood hypereosinophilia. In both cases, intact adult worms were present in lymph nodes but no inflammatory reaction was observed. The most remarkable histological feature in our patients was the absence of eosinophils in tissue sections in spite of persistently high numbers of eosinophils in peripheral blood. In the first case, treatment of intestinal parasites before lymph node excision promptly reduced eosinophil counts to normal levels even though levels of microfilaraemia remained virtually unchanged. In the second patient, hypereosinophilia persisted after lymph node resection but disappeared following curative treatment of intestinal helminths. These observations raise fundamental questions about the causal relationship and the role of eosinophils in lymphatic filariasis.

PubMed: 8107175


Affiliations:


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Le document en format XML

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<term>Child</term>
<term>Diethylcarbamazine (therapeutic use)</term>
<term>Drug Therapy, Combination</term>
<term>Elephantiasis, Filarial (blood)</term>
<term>Elephantiasis, Filarial (pathology)</term>
<term>Elephantiasis, Filarial (therapy)</term>
<term>Eosinophilia (blood)</term>
<term>Eosinophilia (pathology)</term>
<term>Eosinophilia (therapy)</term>
<term>Eosinophils</term>
<term>Female</term>
<term>Humans</term>
<term>Intestinal Diseases, Parasitic (blood)</term>
<term>Intestinal Diseases, Parasitic (pathology)</term>
<term>Intestinal Diseases, Parasitic (therapy)</term>
<term>Leukocyte Count</term>
<term>Lymph Node Excision</term>
<term>Lymph Nodes (parasitology)</term>
<term>Lymph Nodes (pathology)</term>
<term>Male</term>
<term>Mebendazole (therapeutic use)</term>
<term>Thiabendazole (therapeutic use)</term>
<term>Wuchereria bancrofti</term>
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<term>Adolescent</term>
<term>Animaux</term>
<term>Association de médicaments</term>
<term>Diéthylcarbamazine (usage thérapeutique)</term>
<term>Enfant</term>
<term>Femelle</term>
<term>Filariose lymphatique ()</term>
<term>Filariose lymphatique (anatomopathologie)</term>
<term>Filariose lymphatique (sang)</term>
<term>Granulocytes éosinophiles</term>
<term>Humains</term>
<term>Lymphadénectomie</term>
<term>Mâle</term>
<term>Mébendazole (usage thérapeutique)</term>
<term>Noeuds lymphatiques (anatomopathologie)</term>
<term>Noeuds lymphatiques (parasitologie)</term>
<term>Numération des leucocytes</term>
<term>Parasitoses intestinales ()</term>
<term>Parasitoses intestinales (anatomopathologie)</term>
<term>Parasitoses intestinales (sang)</term>
<term>Tiabendazol (usage thérapeutique)</term>
<term>Wuchereria bancrofti</term>
<term>Éosinophilie ()</term>
<term>Éosinophilie (anatomopathologie)</term>
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<term>Mebendazole</term>
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<term>Filariose lymphatique</term>
<term>Noeuds lymphatiques</term>
<term>Parasitoses intestinales</term>
<term>Éosinophilie</term>
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<keywords scheme="MESH" qualifier="blood" xml:lang="en">
<term>Elephantiasis, Filarial</term>
<term>Eosinophilia</term>
<term>Intestinal Diseases, Parasitic</term>
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<term>Noeuds lymphatiques</term>
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<term>Lymph Nodes</term>
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<term>Elephantiasis, Filarial</term>
<term>Eosinophilia</term>
<term>Intestinal Diseases, Parasitic</term>
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<keywords scheme="MESH" qualifier="sang" xml:lang="fr">
<term>Filariose lymphatique</term>
<term>Parasitoses intestinales</term>
<term>Éosinophilie</term>
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<term>Elephantiasis, Filarial</term>
<term>Eosinophilia</term>
<term>Intestinal Diseases, Parasitic</term>
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<term>Diéthylcarbamazine</term>
<term>Mébendazole</term>
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<term>Adolescent</term>
<term>Animals</term>
<term>Child</term>
<term>Drug Therapy, Combination</term>
<term>Eosinophils</term>
<term>Female</term>
<term>Humans</term>
<term>Leukocyte Count</term>
<term>Lymph Node Excision</term>
<term>Male</term>
<term>Wuchereria bancrofti</term>
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<term>Adolescent</term>
<term>Animaux</term>
<term>Association de médicaments</term>
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<term>Femelle</term>
<term>Filariose lymphatique</term>
<term>Granulocytes éosinophiles</term>
<term>Humains</term>
<term>Lymphadénectomie</term>
<term>Mâle</term>
<term>Numération des leucocytes</term>
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<div type="abstract" xml:lang="en">We studied the association of eosinophils with Wuchereria bancrofti parasites in two children with biopsy-proven filarial lymphadenopathy and peripheral blood hypereosinophilia. In both cases, intact adult worms were present in lymph nodes but no inflammatory reaction was observed. The most remarkable histological feature in our patients was the absence of eosinophils in tissue sections in spite of persistently high numbers of eosinophils in peripheral blood. In the first case, treatment of intestinal parasites before lymph node excision promptly reduced eosinophil counts to normal levels even though levels of microfilaraemia remained virtually unchanged. In the second patient, hypereosinophilia persisted after lymph node resection but disappeared following curative treatment of intestinal helminths. These observations raise fundamental questions about the causal relationship and the role of eosinophils in lymphatic filariasis.</div>
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