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Vol. 59. Issue 3.
Pages 145-147 (January 2008)
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Vol. 59. Issue 3.
Pages 145-147 (January 2008)
Mansonella perstans Isolated on Aspiration Puncture of a Salivary Gland
Mansonella perstans aislada en una punciónaspiración de glándula salival
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Lourdes Mateua, Nieves Sopenaa, Montserrat Giménezb, Lluís Valerioc,
Corresponding author
lvalerio.bnm.ics@gencat.net

Correspondence: Unitat de Salut Internacional del Barcelonès Nord i Maresme. Jacint Verdaguer, 118. 08923 Santa Coloma de Gramenet. Barcelona. España.
a Unidad de Enfermedades Infecciosas, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
b Servicio de Microbiología, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
c Unitat de Salut Internacional del Barcelonès Nord i Maresme, SAP Santa Coloma de Gramenet, Institut Català de la Salut, Santa Coloma de Gramenet, Barcelona, Spain
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Chronic parasitosis due to nematode worms (filariae) in tissue are very common in tropical ecosystems; their larvae (microfilariae) have been isolated in lymph vessels, skin, and blood. The case reported here is of a Nigerian patient suffering severe renal failure and admitted owing to the presence of a right sub-mandibular gland abscess. In the FNAP, the presence of a Mansonella perstans microfilaria was identified. Post-surgery examination of pathology samples from the gland reported an acute inflammatory infiltrate including abundant eosinophils and microfilariae. There are some reports in the literature of haematic or lymphatic microfilariae, especially in epithelial or glandular tissues, and, as in this case, in inflammatory or malignant conditions. Both ivermectin and mebendazol are used for treatment; the scant pathogenicity of the genus Mansonella should, however, lead to an individualized decision.

Key words:
Filariosis
Mansonella perstans
Salivary gland
Resumen

Las parasitosis crónicas por nematelmintos de localización hística (filarias) son comunes en los ecosistemas tropicales; sus larvas (microfilarias) se aíslan en los vasos linfáticos, la piel o la sangre. Se presenta el caso de un paciente nigeriano afecto de insuficiencia renal grave que ingresó por un absceso en la glándula submandibular derecha. En la punción-aspiración con aguja fina se identificó una microfilaria de la especie Mansonella perstans. En el posterior estudio anatomopatológico posquirúrgico de la glándula, se determinó infiltrado inflamatorio agudo con abundantes eosinófilos y microfilarias. En la revisión bibliográfica efectuada se constatan algunos aislamientos de filarias hemáticas o linfáticas especialmente en tejidos epiteliales o glandulares; todos ellos, al igual que el que se presenta, en condiciones de inflamación o malignidad. La decisión de tratar o no con ivermectina o mebendazol una filariasis de escasa patogenicidad como las del género Mansonella debe individualizarse en cada caso.

Palabras clave:
Filariasis
Mansonella perstans
Glándula salival

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