Site
Drainage area
Common causes
Less common causes
Cervical
Head, neck,
oropharynx
Acute:
Viral URI
Lymphadenitis (bacterial,
viral)
Pharyngitis
Oropharyngeal infections
EBV
Chronic:
EBV, CMV
Catscratch disease
Nontuberculous
mycobacterium (NTM)
lymphadenitis
Acute:
Kawasaki disease
Chronic:
Malignancy
(lymphoma,
neuroblastoma,
leukemia)
Tularemia
Toxoplasmosis
Sarcoid
Tuberculous
lymphadenitis
Histiocytosis
(Langerhans cell
histiocytosis,
Rosai–Dorfman
disease)
Autoimmune
lymphoproliferative
syndrome (ALPS)
Periodic fever,
aphthous stomatitis,
pharyngitis,
cervical adenitis
syndrome (PFAPA)
Kikuchi–Fujimoto
disease, Kimura
disease
Submental
Lower lip, gums,
teeth, and floor of
mouth
Submandibular Cheeks, buccal
mucosa, lips,
gums, teeth
Dental caries/infections
Gingivostomatitis
Dental caries/infections
Gingivostomatitis
Chronically cracked/dry
lips
Anterior
Anterior/temporal
Conjunctivitis
auricular
scalp, anterior ear
(viral/bacterial)
(preauricular)
canal, lateral
Oculoglandular
syndrome of