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IMAGES IN MEDICINE
Year : 2017  |  Volume : 30  |  Issue : 4  |  Page : 241

Incidental cytodiagnosis of microfilaria from subcutaneous nodule


1 Department of Pathology, Seth G.S. Medical College and K.E.M. Hospital Parel, Mumbai, Maharashtra, India
2 Department of Pathology and Laboratory Medicine, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India

Date of Web Publication17-Nov-2017

Correspondence Address:
Hemlata Panwar
Department of Pathology and Laboratory Medicine, All India Institute of Medical Sciences, Raipur, Chhattisgarh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-258X.218685


How to cite this article:
Santosh T, Panwar H, Bugalia A, Singh VY, Hussain N. Incidental cytodiagnosis of microfilaria from subcutaneous nodule. Natl Med J India 2017;30:241

How to cite this URL:
Santosh T, Panwar H, Bugalia A, Singh VY, Hussain N. Incidental cytodiagnosis of microfilaria from subcutaneous nodule. Natl Med J India [serial online] 2017 [cited 2018 Jun 22];30:241. Available from: http://www.nmji.in/text.asp?2017/30/4/241/218685



A 35-year-old woman presented with a swelling of the right forearm to the surgery outpatient department at the All India Institute of Medical Sciences, Raipur. On examination, she had a subcutaneous swelling in the right forearm, painful and diffuse measuring 3× 3 cm for 6 months [Figure 1]A. A fine-needle aspiration was done and the material was sent for cytological examination with a clinical impression of fibro-lipoma. Blood mixed fluid was aspirated and routine Giemsa and Pap stains were done. Cytological examination revealed epithelioid granulomas with lymphocytes and microfilariae in a haemorrhagic background [Figure 1]B, [Figure 1]C, [Figure 1]D. The microfilaria was sheathed and the column of nuclei in them with the tail tip being free [Figure 1]E, [Figure 1]F. A cytological diagnosis of granulomatous inflammation due to microfilaria morphologically consistent with Wuchereria bancrofti was made. She was treated with diethylcarbamazine (DEC) for 3 weeks. On follow-up, the swelling subsided.
Figure 1: Swelling in the right forearm of the patient
Figs1B, C, D, E, F. Cytosmears showing microfilariae (star) in a granulomatous inflammatory (arrow) background comprised foreign body-type giant cells and histiocytes (Giemsa × 400; PAP, × 400)


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Even in the absence of clinical indications and eosinophilia in peripheral smears, microfilaria can be detected in subcutaneous nodules. Hence, careful screening for microfilariae is important in aspiration cytology smears.




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