From: Value of three-dimensional endoanal ultrasound scan (3D-EAUS) in preoperative assessment of fistula-in-ano
Feature examined
No. of patients correctly classified in 3D-EAUS
Primary tracks (n = 86)
61 (70.9%)
Fluid collections (n = 16)
9 (56.3%)
Extensions (n = 7)
1 (14.3%)
Superficial abscess (n = 4)
0 (0%)
Horseshoe tracts (n = 2)
1 (50%)