Improved anal Cytology Sampling: Tush Brush Compared With Dacron Swab

Objective The objective of this study was to determine the performance characteristics of the Tush brush (TB) compared with a saline moistened Dacron swab (DS) as anal cytology sampling devices. Materials and Methods TB and DS anal cytology tests were randomly collected from 146 patients presenting for anal cytology. High-resolution anoscopy and biopsies were obtained as indicated. Sensitivity and specificity as well as rates of satisfactory...