DDx ⬇
- Reactive lymphadenopathy, eg, pharyngitis, tuberculous lymphadenitis (scrofula), cat-scratch disease, Lyme disease
- Lymphoma
- Skin abscess
- Parotitis
- Goiter, thyroiditis, or thyroid tumor
- Branchial cleft cyst
- Thyroglossal duct cyst
- Metastasis from squamous cell carcinoma in mouth, pharynx, larynx, upper esophagus
- Metastatic thyroid carcinoma
- Sarcoidosis
- Cervical rib
- Zenker's diverticulum
- Carotid artery aneurysm
- Carotid body tumor
- Autoimmune adenopathy
- Kikuchi's disease (histiocytic necrotizing lymphadenitis)
- Esophageal diverticulum
Related DDx ⬆