title: Fourth pharyngeal pouch remnant presented as a neck mass.
mesh_terms: D001935:Branchioma / Q000473:pathology / Q000601:surgery*; D003937:Diagnosis, Differential; D006258:Head and Neck Neoplasms / Q000473:pathology / Q000601:surgery*; D006801:Humans; D007223:Infant; D008297:Male; D010614:Pharynx / Q000473:pathology