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Table 2 Results of 3D-EAUS findings in classification of secondary extensions, fluid collections and horseshoe tracts

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%)