Also known as "scrofula" when involves cervical lymph nodes
Most common form of extrapulmonary TB
TB causes up to 43% of peripheral lymphadenopathy in the developing world 
In the US, more common among Asian Pacific Islanders and in females
Most cases occur in the setting of reactivation of latent infection
Tuberculous lymphadenitis
Reactive adenitis
Tuberculosis
Bacterial lymphadenitis
Cryptococcosis
Hodgkin's lymphoma
Cellulitis
Non-Hodgkin's lymphoma