Ectopic thymus of the neck--report of three examples in children.
D002648:Child; D002828:Choristoma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006258:Head and Neck Neoplasms / Q000175:diagnosis*; D006801:Humans; D008297:Male; D013950:Thymus Gland / Q000473:pathology; D013964:Thyroid Neoplasms / Q000175:diagnosis