Table 1.

Grades by MR Imaging and KT-2000 for Intact-Looking ACL after Rupture

Note.-Abbreviations and grading: Grade 1-3 for each of the MR findings.

SI = signal intensity; homogeneous low SI / low SI spotted with high SI / heterogeneous or band-like high SI

CO = contour and sharpness; sharp / partly obscure / obscure

ST = straightness; straight / mild sagging or wavy / severe wavy

TH = thickness; normal / thick / thin

KT-2000 Group; Group 1 = KT-2000 side-to-side differences ≤ 3 mm; Group 2 = 3-5 mm; Group 3 = > 5 mm