alexa Drug Resistant Mycobacterium tuberculosis Complex Isola
ISSN: 2329-8731

Journal of Infectious Diseases & Preventive Medicine
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Research Article

Drug Resistant Mycobacterium tuberculosis Complex Isolates among Patients with Tuberculous Lymphadenitis

Nagat Ibrahim Elhag1, Eltahir AG Eltahir1*, Ahamed Mohamed Elhassan2, Ahamed Modawi Musa3, Alfatih Aljaafarie4, Sara Hassab Algawi5 and Omima Abed Aziz5

1Department of Immunology Clinical Pathology, Institute of Endemic Diseases, University of Khartoum, Sudan

2Institute of Endemic Diseases, University of Khartoum, Sudan

3Institute of Endemic Diseases, University of Khartoum, Sudan

4Aljouf University, College of Medicine, Department of Parasitology, Saudi Arabia

5Alzahrawi Medical Center, Khartoum, Sudan

*Corresponding Author:
Eltahir AG ELtahir
Institute of Endemic Diseases
University of Khartoum
Tel: 00249 155885511
E-mail: [email protected]

Received date: June 16, 2016; Accepted date: July 07, 2016; Published date: July 14, 2016

Citation: Elhag NI, Eltahir EAG, Elhassan AM, Musa AM, Aljaafarie A, et al. (2016) Drug Resistant Mycobacterium tuberculosis Complex Isolates among Patients with Tuberculous Lymphadenitis . J Infect Dis Preve Med 4:130. doi:10.4172/2329-8731.1000130

Copyright: © 2016 Elhag NI, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Objectives: Seventy five patients with lymphadenopathy who were referred to the Clinic of Lymphadenopathy at the Institute of Endemic Diseases, University of Khartoum were enrolled in our study to detect gene mutation that associated with drug resistance to streptomycin and rifampicin. Materials and methods: Seventy five patients of lymphadenopathy were enrolled for Fine needle aspiration cytology and polymerase chain reaction (PCR). PCR-single strand confirmation polymorphism (PCR-SSCP) for gene mutation was used to detect gene mutation for tuberculous lymphadenitis group. Results: Cytomorphologically, thirty cases showed necrotizing granulomatous tuberculous lymphadenitis (40%) while twenty cases (26%) showed reactive lymph nodes changes. The remaining twenty five cases (34%) had secondary lymph nodes deposits. All cases of tuberculous lymphadenitis group showed similar patterns to H37 Rv with a fragment size of 123 bp when amplified with IS6110 gene primers specific for M. tuberculosis complex, while other groups (reactive and malignant nodes) were negative. For rpsl 43 gene detection, twenty seven cases (27/30) had DNA band patterns identical to H37 while three cases (3/30) were identical to mutant strain that were associated with drug resistance to streptomycin. For the rpoB, all isolates gave identical patterns to H37 Rv strain. Conclusion: PCR is useful to detect Mycobacterium tuberculosis isolates in tuberculous lymphadenitis cases. PCR-SSCP is useful for detection of gene mutation targeting drugs for tuberculosis cases; however, it needs more supportive tools such as sequencing method to confirm the resistance Tb cases.


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