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      Microfilaria in cytological smears at rare sites coexisting with unusual pathology: A series of seven cases

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          Abstract

          Filariasis is a major public health problem in India and microfilaria is sometimes seen during routine fine needle aspiration cytology (FNAC) smears, but it is very rare to find microfilaria coexistent with neoplastic lesions. Here we report a series of seven cases in which microfilaria is associated with neoplastic lesions. Out of these seven cases one is benign and six are malignant. Also we first time report the microfilaria coexistent with parotid pleomorphic adenoma, undifferentiated carcinoma thyroid and gall bladder carcinoma.

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          Park’s Textbook of Preventive and Social Medicine

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            Microfilariae in cytologic smears: a report of six cases.

            Filariasis is a major public health problem in tropical countries, including India. Despite this high incidence, it is unusual to find microfilariae in fine needle aspiration cytology. (FNAC) smears and body fluids. Six cases of filariasis diagnosed by FNAC are reported. In case 1, a thyroid aspirate from a 23-year-old female showed a microfilaria with colloid and thyroid follicular cells. In case 2, pericardial fluid from a 50-year-old male with breathlessness and chest pain showed clusters of malignant cells and many microfilariae. In case 3, a bronchial aspirate from a 55-year-old male with fever and chest pain showed aggregates of acute inflammatory cells and a microfilaria. Cases 4 and 5 were lymph node aspirates from a 29-year-old male and 3-year-old female. Both smears showed microfilariae in a background of reactive lymphoid cells. In case 6, FNAC from a 21-year-old female with a cystic swelling in the breast showed clusters of microfilariae, lymphocytes and granular debris. In three of the six cases microfilariae were the cause of symptoms, whereas in the other three cases, microfilariae were associated with other diseases, including malignancy. Thus, careful screening of FNAC smears might be helpful in detecting microfilariae, even in asymptomatic patients.
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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
                Jan-Jun 2012
                : 2
                : 1
                : 61-63
                Affiliations
                [1] Department of Pathology, Ganesh Shankar Vidyarthi Memorial Medical College, Kanpur, Uttar Pradesh, India
                [1 ] Department of General Surgery, Ganesh Shankar Vidyarthi Memorial Medical College, Kanpur, Uttar Pradesh, India
                Author notes
                Address for correspondence Dr. Chayanika Pantola, L-21, Ganesh Shankar Vidyarthi Memorial Medical College Campus, Kanpur, Uttar Pradesh - 208 002, India. E-mail: drchayanikakala@ 123456yahoo.com
                Article
                TP-2-61
                10.4103/2229-5070.97244
                3593499
                23508347
                0147b278-4dc8-449d-98ac-04b8e666b8b7
                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
                : 24 January 2012
                : 16 June 2012
                Categories
                Case Report

                breast,gall bladder,microfilaria,parotid,thyroid
                breast, gall bladder, microfilaria, parotid, thyroid

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