DDx ⬇
- Upper respiratory tract infection
- Bacterial infection of upper extremities
- Metastasis from squamous cell carcinoma in mouth, pharynx, larynx, upper esophagus
- Lymphoma
- Tuberculous lymphadenitis (scrofula)
- Cat-scratch disease
- Sarcoidosis
- Lyme disease
- Toxoplasmosis
- Autoimmune adenopathy
- Kikuchi's disease (histiocytic necrotizing lymphadenitis)
- Tularemia
- Actinomycosis (cervicofacial)
- Drug-induced pseudolymphoma (classically phenytoin)
Related DDx ⬆