Staining Methods for Rectal Polyp Visualization

Patients included in this study were allocated, in turn, to three distinct staining methods: 0.05% CV alone, 1% MB alone, or 0.05% CV plus 1% MB (CM double). Each dye (5 mL) was sprayed onto the surface of a rectal polyp and its surrounding normal mucosa through a non-traumatic catheter (Olympus 6233064; Olympus). The mucosal surface was immediately washed with distilled water containing dimethicone, followed by EC of the normal mucosa for 5 min, while keeping the tip of the EC in gentle contact with the surface of the mucosa. Images obtained throughout the procedure were stored on a digital versatile disk (DVD).

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Ichimasa K., Kudo S.E., Mori Y., Wakamura K., Ikehara N., Kutsukawa M., Takeda K., Misawa M., Kudo T., Miyachi H., Yamamura F., Ohkoshi S., Hamatani S, & Inoue H. (2013). Double staining with crystal violet and methylene blue is appropriate for colonic endocytoscopy: An in vivo prospective pilot study. Digestive Endoscopy, 26(3), 403-408.

Publication 2013

Catheter Dimethicone Mucosa Patients Polyp Rectal Staining methods

Corresponding Organization : Showa University Northern Yokohama Hospital

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Protocol cited in 2 other protocols

Variable analysis

independent variables

Staining method: 0.05% CV alone, 1% MB alone, or 0.05% CV plus 1% MB (CM double)

dependent variables

Image quality of the normal mucosa

control variables

The dye (5 mL) was sprayed onto the surface of a rectal polyp and its surrounding normal mucosa through a non-traumatic catheter (Olympus 6233064; Olympus)
The mucosal surface was immediately washed with distilled water containing dimethicone, followed by EC of the normal mucosa for 5 min, while keeping the tip of the EC in gentle contact with the surface of the mucosa

controls

Positive control: None mentioned
Negative control: None mentioned

Annotations

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