Yousem, D M Central nodal necrosis and extracapsular neoplastic spread in cervical lymph nodes: MR imaging versus CT. [electronic resource] - Radiology Mar 1992 - 753-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0033-8419 Standard No.: 10.1148/radiology.182.3.1535890 doi Subjects--Topical Terms: Carcinoma, Squamous Cell--diagnosisContrast MediaDrug CombinationsGadolinium DTPAHead and Neck Neoplasms--diagnosisHumansLymph Nodes--pathologyLymphatic Metastasis--diagnosisMagnetic Resonance ImagingMaleMeglumineMiddle AgedOrganometallic CompoundsPentetic AcidRetrospective StudiesSensitivity and SpecificityTomography, X-Ray Computed