Abstract

IntroductionTuberculosis is among the deadliest infectious diseases. Lymphadenitis is an inflammation of the lymph nodes which is the most common extrapulmonary manifestation of tuberculosis. Saudi Arabia is rated as a country with a low incidence of tuberculosis. The study’s objective is to describe the clinical characteristics and outcome of TB lymphadenitis (TBL) at a large tertiary care center in Riyadh, Saudi Arabia. MethodAll patients 18 years and older diagnosed with TB lymphadenitis between 2010 and 2021 at a single tertiary center in Riyadh, Saudi Arabia, were reviewed retrospectively for their clinical presentation, diagnostic yield, therapy, and outcome. Result107 patients were included in the final analysis. The distribution of males and females were nearly equal, at 50.5 % and 49.5 %, respectively. The average age was 45. During the ten-year period of our investigation, the number of confirmed TBL ranged from 19 (the highest in 2010) to as little as one patient in 2021. 72.8 percent of patients presented with TBL affecting the neck. The most commonly used diagnostic method was histopathological examination of the tissue sample, granulomatous inflammations were found in 89.2 % of cases of theses necrotizing granuloma. 10.7 % of our isolates had resistance. The average duration of anti-TB treatment was 6.8 months with a cure rate of 72.9 %. ConclusionThe majority of patients in this study had cervical lymphadenopathy, with histopathology being the mainstay of diagnosis. 90 % of TBL cultures were susceptible to first-line anti-TB therapy.

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