The diagnosis of<unk>  may require a biopsy. Other possible diagnostic steps include: positive tuberculin test, chest radiograph, CT scan, cytology/biopsy (FNAC), AFB staining, and mycobacterial culture.
Tuberculous lymphadenitis
Caseous lymphadenitis
Mycobacterial cervical lymphadenitis
Tick-borne lymphadenopathy
Primary mediastinal B-cell lymphoma
Dermatopathic lymphadenopathy
Sebaceous lymphadenoma
Extrapulmonary tuberculosis