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Nigerian Journal of Clinical Practice

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Extrapulmonary tuberculosis: Fine needle aspiration cytology diagnosis

MOA Samaila, OP Oluwole

Abstract


Background: The increasing prevalence of extrapulmonary manifestation of tuberculosis with the HIV scourge is a cause for concern.
Objective: To determine the role of fine needle aspiration cytology (FNAC) in the diagnosis of extrapulmonary tuberculosis.
Patients and Methods: This is a consecutive 9-year analysis of patients with peripheral lymphadenopathy. All the patients had fine needle aspiration. Smears were made, fixed in 95% alcohol and stained with hematoxylin and eosin and Zeihl Neelsen stains.
Results: 48 patients, 31 males and 17 females, were analyzed. The mean age was 27.9 years. Aspirates were mainly from cervical lymph nodes. Four patients were HIV 1 seropositive. Macroscopically, 23 (48%) of the aspirates were purulent and 7 (14.6%) had caseous material. Microscopy showed granular eosinophilic material (caseation), multinucleated giant cells, epithelioid cells, neutrophils and lymphocytes. Staining for acid-fast bacilli was positive in 23 (48%) cases.
Conclusion: Early diagnosis of extrapulmonary tuberculosis in a resource- limited setting can be achieved with fine needle aspiration cytology technique (FNAC). This will ensure prompt treatment and thus reduce attendant morbidity and mortality.



http://dx.doi.org/10.4103/1119-3077.86771
AJOL African Journals Online