Skip to main content

Table 2 BI-RADS mammographic features

From: AdaBoost-based multiple SVM-RFE for classification of mammograms in DDSM

feature type description or numeric value
mass shape no mass(0), round(1), oval(2), lobulated(3), irregular(4)
mass margin no mass(0), well circumscribed(1), microlobulated(2), obscured(3), ill-defined(4), spiculated(5)
calcification type no calc.(0), milk of calcium-like(1), eggshell(2), skin(3), vascular(4), spherical(5), suture(6), coarse(7), large rod-like(8), round(9), dystrophic(10), punctate(11), indistinct(12), pleomorphic(13), fine branching(14)
calcification distribution no calc.(0), diffuse(1), regional(2), segmental(3), linear(4), clustered(5)
density 1, 2, 3, 4
assessment 1, 2, 3, 4, 5
  1. density: 1 = sparser, 4 = denser;