Abstract
Background. Tuberculosis lymphadenitis is one of the most common forms of all extrapulmonary tuberculosis. Objective. To evaluate the magnitude of M. tuberculosis from lymph node biopsy paraffin-embedded sections among suspected patients visiting the Jimma University Specialized Hospital. Method. A cross-sectional study design of histological examination among lymph node biopsy paraffin-embedded sections by Ziehl-Neelsen and hematoxylin/eosin staining technique was conducted from December, 2009, to October, 2010, at the Department of Medical Laboratory Science and Pathology. Result. Histopathological examination of the specimens by hematoxylin and eosin staining technique revealed the presence of granulomas. But for the caseation and necrosis they were present in 85% cases of nodal tissue biopsies. From those, 56.7% were from females. The presence of acid-fast bacilli was microscopically confirmed by ZN staining in 37 (61.7%) of the nodal tissue biopsies. Conclusion and Recommendation. Tuberculosis lymphadenitis is significantly more common in females. Hence, attention should be given for control and prevention of extrapulmonary tuberculosis.
Highlights
Tuberculosis (TB) remains a major global public health problem
A cross-sectional study design was conducted on paraffin-embedded lymph node biopsy sections in Jimma University Specialized Hospital (JUSH), the Jimma, Ethiopia
M. tuberculosis among patients suspected for Tuberculosis lymphadenitis from December, 2009, to October, 2010
Summary
It is estimated that about one-third of the world’s population is infected with Mycobacterium tuberculosis. The genus Mycobacterium consists of nonmotile, nonspore-forming aerobic acid-fast bacilli. Tuberculosis lymphadenitis is one of the most common forms of all extrapulmonary tuberculosis. To evaluate the magnitude of M. tuberculosis from lymph node biopsy paraffin-embedded sections among suspected patients visiting the Jimma University Specialized Hospital. A cross-sectional study design of histological examination among lymph node biopsy paraffin-embedded sections by Ziehl-Neelsen and hematoxylin/eosin staining technique was conducted from December, 2009, to October, 2010, at the Department of Medical Laboratory Science and Pathology. The presence of acid-fast bacilli was microscopically confirmed by ZN staining in 37 (61.7%) of the nodal tissue biopsies. Tuberculosis lymphadenitis is significantly more common in females. Attention should be given for control and prevention of extrapulmonary tuberculosis
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