Neck Mass - Differential Diagnosis Framework Inflammatory: • Viral (reactive): EBV, HIV • Bacterial: Staph/Strep, Tularemia, Brucella • Granulomatous: TB, Actinomyces, Cat-scratch diwase • Other: Kikuchi-Fujimoto, Sarcoid Congenital: • Thyroglossal Duct Cyst, Branchial Cleft Cyst Neoplasm: • Primary: Thyroid, Salivary Glands, Lymphoma, Neurogenic • Metastatic: SCC, Melanoma • Benign: Lipoma, Cyst BCM IM Residency @BCM_InternalMed #Neck #Mass #Differential #Diagnosis #causes
