Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
 
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LETTER TO THE EDITOR
Year : 2011  |  Volume : 6  |  Issue : 1  |  Page : 46-47
Filarial pleural effusion


Department of Pulmonary Medicine, Narayana Medical College, Nellore-524002, India

Date of Web Publication28-Dec-2010

Correspondence Address:
K Gowrinath
Department of Pulmonary Medicine, Narayana Medical College, Nellore-524002
India
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DOI: 10.4103/1817-1737.74279

PMID: 21264173

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How to cite this article:
Gowrinath K. Filarial pleural effusion. Ann Thorac Med 2011;6:46-7

How to cite this URL:
Gowrinath K. Filarial pleural effusion. Ann Thorac Med [serial online] 2011 [cited 2019 Aug 19];6:46-7. Available from: http://www.thoracicmedicine.org/text.asp?2011/6/1/46/74279


Sir,

I read the article of Garg, et al. [1] with great interest. As a co-author of our work [2] cited in their article, I would like to make it clear that the microfilariae detected in the pleural biopsy material of our case were of Wuchereria bancrofti and not Mansonella perstans as quoted in the text by the authors. I was surprised to note that the closed pleural biopsy was not carried out as there was a chance to establish the filarial etiology within the pleura. Microfilariae reside in the arterioles of pulmonary system during daytime and appear in peripheral blood and other body fluids only in the night time during the peak biting time of mosquito vectors. The traditional diagnostic method of filariasis is to demonstrate microfilariae microscopically in the peripheral blood (capillary finger prick or thick venous blood smears) drawn in the night or presence of circulating filarial antigen. [3] Filariasis is a major health problem in India and microfilariae have been detected along with other diseases such as tuberculosis, non-Hodgkin's disease, etc. [4] I am curious to know the scientific basis regarding the number of times a clinical specimen like pleural fluid can be tested and methodology adapted by the authors who successfully demonstrated microfilariae on all four occasions to conclude that the pleural effusion was due to filariasis only.

 
   References Top

1.Garg R, Sodhi R, Jabeed P, Rastogi A. Non-resolving pleural effusion in an elderly woman: A case report. Ann Thorac Med 2010;5:247-8.  Back to cited text no. 1
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2.Arora VK, Gowrinath K. Pleural effusion due to lymphatic filariasis. Indian J Chest Dis Allied Sci 1994;36:159-61.  Back to cited text no. 2
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3.Rosenblatt JE. Laboratory diagnosis of infections due to blood and tissue parasites. Clin Infect Dis 2009;49:1103-9.  Back to cited text no. 3
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4.Gupta K, Sehgal A, Puri MM, Sidhwa HK. Microfilariae in association with other diseases. A report of six cases. Acta Cytol 2002;46:776-8.  Back to cited text no. 4
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This article has been cited by
1 Microfilaria in pleural fluid
Wiwanitkit, V.
Annals of Thoracic Medicine. 2011; 6(3): 156-157
[Pubmed]



 

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