Tuberculous lymphadenitis is a frequent presentation of extrapulmonary tuberculosis. It corresponds to about 10% of tuberculosis cases in adults in developed countries, on the rise because of HIV, migrants and immunosuppressive therapy. The clinical diagnosis is often difficult and differential diagnosis is extensive. The patient presents with a history of painless swelling of one or a group of cervical lymph nodes. The mass may be present for 3 weeks to 8 months before the first consultation. The treatment of choice is an oral antimycobacterial treatment and is not surgical. This article reviews the specific clinical manifestations, diagnositc tools and treatment of tuberculous lymphadenitis through two cases.