RID34353 not parallel lesion

synonym non-parallel lesion non-parallel mass taller than wide lesion taller than wide mass vertical lesion vertical mass

definition BI-RADS US: The anterior-posterior or vertical dimension is greater than the transverse or horizontal dimension. These masses can also be obliquely oriented to the skin line. Round masses are not parallel in their orientation. Synonyms: "taller than wide" or vertical.

comment BI-RADS implemented initially as concepts; later switched to strictly the terms.