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 |