Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
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Year : 2011  |  Volume : 6  |  Issue : 1  |  Page : 47
Author's reply

Department of Pulmonary Medicine, Chhatrapati Sahuji Maharaj Medical University, Lucknow-226003. Uttar Pradesh, India

Date of Web Publication28-Dec-2010

Correspondence Address:
R Garg
Department of Pulmonary Medicine, Chhatrapati Sahuji Maharaj Medical University, Lucknow-226003. Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

PMID: 21264176

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How to cite this article:
Garg R. Author's reply. Ann Thorac Med 2011;6:47

How to cite this URL:
Garg R. Author's reply. Ann Thorac Med [serial online] 2011 [cited 2023 Feb 6];6:47. Available from:


This is in reference to the letter by an esteemed reader. I appreciate the interest shown by him regarding our case. We regret that the case reported by him was wrongly quoted in our article as caused by Mansonella perstans and apologize for the inadvertent error. The only reported case of pleural effusion due to M. perstans was of Kahn in 1983. [1]

We did not consider pleural biopsy as the diagnosis was firmly established by repeated demonstration of microfilariae in pleural fluid, and the patient denied consent for pleural biopsy. The literature shows that pleural biopsy does not always demonstrate microfilariae. [2],[3]

The method used for demonstration of microfilariae in pleural fluid was hematoxylin and eosin stain on smears prepared from the sediment of pleural fluid after centrifuging at 2000 rpm for 15 min. Pleural fluid samples were collected at night time or in early morning.

   References Top

1.Kahn JB. Pleural effusion associated with Dipetalonema perstans (Acanthocheilonema perstans). J Infect Dis 1983;147:166.  Back to cited text no. 1
2.Menon B, Garg A,Kalra H,Sharma R. Microfilarial pleural effusion in a case of tropical pulmonary eosinophilia. Indian J Chest Dis Allied Sci 2008;50:242-3.  Back to cited text no. 2
3.Aggarwal J, Kapila K, Gaur A, Wali JP. Bancroftian filarial pleural effusion. Postgrad Med J 1993;69:869-70.  Back to cited text no. 3

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