Evaluation of cases of pediatric extrapulmonary tuberculosis: a single center experience

Extrapulmonary tuberculosis is observed more frequently and leads to complications with a higher rate in children compared with adults because the risk of lymphohematogen spread is higher. In this study, the clinical, laboratory, and radiologic findings and treatment outcomes were evaluated in pedia...

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Published in:Turk Pediatri Arsivi 2019, Vol.54 (2), p.86-92
Main Authors: Kaba, Özge, Kara, Manolya, Odacılar, Cemile Ayşe, Kamer, İbrahim, Sütçü, Murat, Demir, Sevliya Öcal, Çalışkan, Emine, Törün, Selda Hançerli, Salman, Nuran, Somer, Ayper
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Language:English
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Summary:Extrapulmonary tuberculosis is observed more frequently and leads to complications with a higher rate in children compared with adults because the risk of lymphohematogen spread is higher. In this study, the clinical, laboratory, and radiologic findings and treatment outcomes were evaluated in pediatric patients who were followed up in our clinic with a diagnosis of extrapulmonary tuberculosis. Seventy patients aged 0-18 years who were followed up with a diagnosis of extrapulmonary tuberculosis between 2008 and 2017 in the Division of Pediatric Infectious Diseases in our hospital were examined retrospectively. The median age of the patients was 8,8 (range, 0,4-17) years and 47.1% were female (n=33). Twenty-seven patients (38.6%) were aged 0-4 years, 15 (21.4%) were aged 5-9 years, and 28 patients (40%) were aged 10-18 years. Forty-four patients (62.9%) were diagnosed as having extrapulmonary tuberculosis and 26 (37.1%) had pulmonary + extrapulmonary tuberculosis. The most common form of extrapulmonary tuberculosis was extrathoracic lymphadenopathy, which was found in 22 patients (31.4%). The other patients were diagnosed as having musculoskeletal system tuberculosis (n=10, 14.3%), gastrointestinal system tuberculosis (n=9, 12.9%), miliary tuberculosis (n=8, 11.4%), intrathoracic lymphadenopathy (n=7, 10%), renal tuberculosis (n=6, 8.6%), central nervous system tuberculosis (n=5, 7.1%), and pleural tuberculosis (n=3, 4.3%). Among a total of 58 patients in whom tuberculin skin test and interferon gamma release tests were studied together, tuberculin skin test positivity (n=37, 63.8%) was found with a higher rate compared with interferon gamma release test positivity (n=32, 55.2%), but the difference was not statistically significant (p=0.35). The median treatment period was 12 (range, 6-24) months. Among the patients whose treatments were terminated, improvement was observed in 52 patients (74.2%) and the development of sequela was observed in six patients (8.5%). Two patients who were diagnosed as having central nervous system tuberculosis (2.8%) died. Clinical, laboratory, and radiologic data should be evaluated together when making a diagnosis of extrapulmonary tuberculosis in children. Interferon gamma release tests alone are not superior to tuberculin skin test, but should be considered to be used in combination in the diagnosis.
ISSN:1306-0015
1308-6278
DOI:10.14744/TurkPediatriArs.2019.33239