Retrospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastrointest Endosc. Jul 16, 2014; 6(7): 312-317
Published online Jul 16, 2014. doi: 10.4253/wjge.v6.i7.312
Figure 1
Figure 1 Detail of the 9 French cytology brush (Infinity sampling device, US Endoscopy, Mentor, OH).
Figure 2
Figure 2 Brushing technique. Two passes performed in the stricture. A, B: The first pass was used to make two smears (A), with one smear sprayed with fixative (B); C: The brush was then agitated in the RPMI cytology fluid to dislodge material into the fluid; D: The brush was rinsed with water. A second pass was performed with the same brush; E: The brush was cut off into the same tube of RPMI; F, G: Contents of catheter were flushed via salvage cytology technique; H: The sample was processed as a cell block.
Figure 3
Figure 3 Number of clusters obtained by cytologic brushing for all cases.