title: Letter: Haemorrhagic thyroid cysts in nodular goitre.
mesh_terms: D001707:Biopsy, Needle; D003560:Cysts / Q000150:complications / Q000209:etiology*; D006044:Goiter, Nodular / Q000150:complications* / Q000473:pathology; D006470:Hemorrhage / Q000209:etiology; D006801:Humans