Clinical presentation: CT and MR imaging findings of 5 patients with nasal and nasopharyngeal chordomas

Age/Sex	Location	Morphology	Extension Margin	CT Findings			MR Findings			Clinical
				Bone Involvement	Calcification	Density	T1WI SI	T2WI SI	Degree of CE
M/6	Left nasal cavity	Expansible mass	Left ethmoid sinus; well-defined	Minimal	Linear	Iso; homo	Iso; homo	Hyper; heter	Not performed	Nasal obstruction from birth
M/38	Nasopharynx	Lobular mass	Bilateral posterior nasal choanal; well-defined	No	Irregular	Iso; heter	Iso; homo	Hyper; heter	Mild	Nasal obstruction for 2 years
M/13	Nasopharynx	Lobular mass	Left paranasopharyngeal space; well-defined	No	Irregular	Iso; heter	Hypo; heter	Hyper; heter	Moderate	Headache, bilateral hearing loss for 5 years
F/66	Nasopharynx	Lobular mass	Left paranasopharyngeal space; well-defined	No	Nodular	Iso; heter	Hypo; homo	Hyper; heter	Moderate	Headache for 1 year
M/31	Nasopharynx	Expansible mass	Nasopharynx; well-defined	No	Irregular	Iso; heter	Hypo; homo	Hyper; homo	Mild	Nasal obstruction for 2 years