Array ( [urn:ac.highwire.org:guest:identity] => Array ( [runtime-id] => urn:ac.highwire.org:guest:identity [type] => guest [service-id] => ajnr-ac.highwire.org [access-type] => Controlled [privilege] => Array ( [urn:ac.highwire.org:guest:privilege] => Array ( [runtime-id] => urn:ac.highwire.org:guest:privilege [type] => privilege-set [privilege-set] => GUEST ) ) [credentials] => Array ( [method] => guest ) ) ) 1naresh

Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)
1nareshArray
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)

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

Age/Sex	Location	Morphology	Extension Margin	CT Findings			MR Findings			Clinical
Age/Sex	Location	Morphology	Extension Margin	Bone Involvement	Calcification	Density	T1WI SI	T2WI SI	Degree of CE	Clinical
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