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      Microfilaria in lymph node mimicking Kimura disease

      case-report

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          Abstract

          In tropical and subtropical countries, parasitic infections are very rampant causing peripheral blood and or tissue eosinophilia. Here, a case of microfilaria in lymph node that produced intense eosinophil infiltrate is being reported. The dense eosinophil collection in the lymph node raised a possibility of Kimura's disease because no worms were seen in the initial sectioning of the tissue. Extensive sampling and diligent search revealed sections of microfilaria embedded in the eosinophil abscess along with foreign body giant cell reaction to its sheath material, leading to the correct diagnosis of this case.

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          Most cited references10

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          Mapping of lymphatic filariasis in India.

          The derivation of detailed epidemiological maps, at the relevant spatial resolution, is being increasingly recognized as vital to the effective design and implementation of successful programmes for the control of parasites and their vectors. Geographical information systems (GIS) and a recently complied database on the distribution of lymphatic filariasis in India have now been used to develop the first maps at district-level (i.e. the level at which control against this parasite will be enacted in India) of filariasis endemicity in this country. The derived maps indicate both the substantial extent as well as the marked variability in the geographical distribution of this disease in India. The causative infection and/or the symptomatic disease were detected in most (257) of the 289 districts surveyed up to 1995. Currently there may be up to 27.09 million microfilaraemics, 20.83 million cases of symptomatic filariasis, and about 429.32 million individuals potentially at risk of infection in the country. Probability mapping, based on data quantiles, clearly indicates that the risk of filarial infection in India is not constant throughout the country but exhibits strong regional trends. Filariasis in general may be a particular problem of the eastern half of the country. The results indicate the potentially vital role that GIS-based mapping approaches can play in the development of filariasis-control campaigns in India and elsewhere.
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            Lymphatic filariasis in India: epidemiology and control measures.

            Lymphatic filariasis caused by Wuchereria bancrofti and Brugia malayi is an important public health problem in India. Both parasites produce essentially similar clinical presentations in man, related mainly to the pathology of the lymphatic system. Filariasis is endemic in 17 States and six Union Territories, with about 553 million people at risk of infection. The Government of India has accorded a high priority for elimination of this infection through mass chemotherapy programme (annual, single dose of Diethylcarbamazine citrate, i.e. DEC - 6 mg/kg of bodyweight, plus Albendazole repeated four to six times). This campaign has become a part of the National Vector-Borne Disease Control Programme in 2003 under the National Health Policy 2002 and aims to eliminate filariasis by 2015. We discuss here the epidemiology and current control strategy for filariasis; highlighting key issues, challenges and options in the implementation of the programme, and suggesting measures for mid-course corrections in the elimination strategy.
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              Microfilariae in fine needle aspirates: a report of 22 cases.

              The objective of the study is to document the value of fine needle aspiration cytology (FNAC) in the diagnosis of filariasis at all possible sites in both exfoliative cytologic material and fine needle aspirates. Both unguided and guided FNACs of all foci were studied over a period of two years between 1999 to 2000. Total 22 cases of filariasis were detected which included subcutaneous swellings(7), breast(3), thyroid(3), lymphnodes(3), effusions(3), cervical scrape(1), eyeball(1), sputum(1) and bronchial washing(1). In none of these cases was filariasis considered a diagnostic possibility. Cytologic smears showed eosinophils in 9 cases, oval ova and embryonated eggs in 2 cases. Microfilariae were associated with other diseases in 13 cases, including 6 cases of malignancy. Significant adherence of inflammatory cells and macrophages to microfilariae was present in 6 of the 22 cases. In endemic areas,filariasis should be considered one of the differential diagnosis of a swelling. Thus demonstration and identification of the parasite in cytologic smears played a significant role in the prompt recognition of the disease and institution of specific treatment, thus obviating the more severe manifestations of lymphatic frilariasis.
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                Author and article information

                Journal
                Trop Parasitol
                Trop Parasitol
                TP
                Tropical Parasitology
                Medknow Publications & Media Pvt Ltd (India )
                2229-5070
                2229-7758
                Jul-Dec 2011
                : 1
                : 2
                : 119-122
                Affiliations
                [1] Department of Pathology, Government Medical College, Kottayam, Kerala, India
                Author notes
                Address for correspondence: Dr. P. S. Jayalakshmy, Department of Pathology, Government, Medical College, Kottayam, P.O. Gandhinagar, Kottayam-686 008, Kerala, India. E-mail: psjayalakshmy@ 123456gmail.com
                Article
                TP-1-119
                10.4103/2229-5070.86960
                3593479
                23508372
                31ce9c66-7d83-472c-bad1-b340478f4504
                Copyright: © Tropical Parasitology

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 15 May 2011
                : 31 October 2011
                Categories
                Case Report

                eosinophil microabscess,kimura disease,lymph node,microfilaria

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