title: MR imaging of posterior mediastinal thymus.
abstract: The diagnosis of posterior mediastinal extension of thymus was made by magnetic resonance imaging, which showed (a) continuity of the normally placed thymus with a posterior mediastinal mass, (b) identical signal characteristics between the anterior and posterior components, (c) homogeneous signal intensity greater than muscle and less than fat on T1- and moderately T2-weighted images which is characteristic of thymic tissue, and (d) characteristic posterior extension of the thymus between the superior vena cava and trachea.
authors: Department of Radiology, University of Texas Southwestern Medical School, Dallas.
authors: N K
authors: NK
authors: Rollins
authors: G
authors: G
authors: Currarino
mesh_terms: D002828:Choristoma / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D008279:Magnetic Resonance Imaging; D008297:Male; D008482:Mediastinum / Q000473:pathology*; D013950:Thymus Gland