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ARTICLE
Year : 2016  |  Volume : 5  |  Issue : 5  |  Page : 242-243

Mediastinal lymphadenopathy in pediatric tuberculosis in computed tomography scan


1 Telemedicine Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
2 Department of Emergency Medicine, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3 Department of Surgery, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4 Minimally Invasive Surgery Research Center, University of Medical Sciences, Tehran, Iran
5 Mycobacteriology Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran

Date of Web Publication17-Feb-2017

Correspondence Address:
Payam Mehrain
Telemedicine Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Daar-Abad, Niavaran, Tehran 19569-44413
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.1016/j.ijmyco.2016.11.019

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  Abstract 


Background/objectives: Pediatric tuberculosis is usually a primary infection presenting mainly as mediastinal or hilar adenopathy in computed tomography (CT) scan. In this study, we study the distribution and other CT scan characteristics of mediastinal lymphadenopathy in childhood tuberculosis.
Methods: Chest CT scans of 75 cases of pediatric tuberculosis at Masih Daneshvari Hospital in Tehran, Iran, from 2009 to 2013 were studied regarding characteristics of mediastinal lymphadenopathy.
Results: Mean ± standard deviation age of cases was 11.2 ± 4.6 years. Lymphadenopathy (mediastinal/hilar) was detected in 94.7% of cases. Most of the lymphadenopathies were located in the lower paratracheal (81.7%), upper paratracheal (69.1%), hilar (53.5%), and subcarinal (47.9%) stations. Perilymph node fatty stranding, lymphadenopathy conglomeration, bronchial pressure by the lymph nodes, and lymph node calcification were noted in 74.6%, 52.11%, 4.23%, and 5.6% of cases, respectively. Bilateral, right, and left lung parenchymal involvement were reported in 45%, 25%, and 8% of cases, respectively. Lung parenchymal involvement was significantly correlated with lymphadenopathies in subcarinal (p <0.001), hilar (p <0.001), subaortic (p = 0.03), lower paratracheal (p = 0.037), and axillary (p = 0.006) stations. Right- and left-sided pleural effusions were observed in 12.7% and 7% of cases, respectively.
Conclusion: Attention to distribution and characteristics of mediastinal lymphadenopathy can help differentiate tuberculosis from other causes of pediatric mediastinal lymphadenopathy.

Keywords: Computed tomography scan, Mediastinal lymphadenopathy, Pediatric tuberculosis


How to cite this article:
Mehrain P, Moghaddam AM, Tavakol E, Amini A, Moghimi M, Kabir A, Velayati AA. Mediastinal lymphadenopathy in pediatric tuberculosis in computed tomography scan. Int J Mycobacteriol 2016;5, Suppl S1:242-3

How to cite this URL:
Mehrain P, Moghaddam AM, Tavakol E, Amini A, Moghimi M, Kabir A, Velayati AA. Mediastinal lymphadenopathy in pediatric tuberculosis in computed tomography scan. Int J Mycobacteriol [serial online] 2016 [cited 2020 Sep 19];5, Suppl S1:242-3. Available from: http://www.ijmyco.org/text.asp?2016/5/5/242/200453




  Conflicts of interest Top


The authors have no conflicts of interest to declare.





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