title: Pathologic quiz case 2. Thymic cyst.
mesh_terms: D001935:Branchioma / Q000473:pathology; D002648:Child; D003560:Cysts / Q000151:congenital* / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D009333:Neck / Q000473:pathology; D013950:Thymus Gland / Q000473:pathology