Observations on the presence of bile using red dichromatic imaging 3 in peroral cholangioscopy

Koiwai, Akinobu; Hirota, Morihisa; Satoh, Kennichi

doi:10.1111/den.14200

Cited by 5 publications

(11 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…reported that RDI 3 in POCS allows clear visibility in the presence of bile. 8 Matsumoto et al. further reported the usefulness of RDI 3 in POCS, 9 while Tanisaka et al.…”

Section: Discussionmentioning

confidence: 99%

Identification of bleeding points after bile duct biopsy using red dichromatic imaging during peroral cholangioscopy: A case report

et al. 2023

View full text Add to dashboard Cite

Red dichromatic imaging is a new image‐enhancement technology that clarifies the differences in blood concentrations and improves the visibility of the bleeding point. A 71‐year‐old man was presented with a common bile duct stone, which was completely removed using electrohydraulic shock wave lithotripsy with peroral cholangioscopy. During peroral cholangioscopy, a nodular lesion was found at the confluence of the cystic duct, and a forceps biopsy was performed. It was difficult to confirm the bleeding point using white‐light imaging because of the pooling of blood. After switching to red dichromatic imaging mode 2 and washing the bile duct with saline solution, the bleeding point was observed in darker yellow than the surrounding blood, allowing the identification of the bleeding point. Red dichromatic imaging can be used in the future to maintain hemostasis during peroral cholangioscopy.

show abstract

“…reported that RDI 3 in POCS allows clear visibility in the presence of bile. 8 Matsumoto et al. further reported the usefulness of RDI 3 in POCS, 9 while Tanisaka et al.…”

Section: Discussionmentioning

confidence: 99%

Identification of bleeding points after bile duct biopsy using red dichromatic imaging during peroral cholangioscopy: A case report

et al. 2023

View full text Add to dashboard Cite

show abstract

“…Red dichromatic imaging (RDI) is a new image-enhancing technology using light tones of red, amber, and green. RDI is part of a new-generation endoscopy system (EVIS X1; Olympus Medical, Tokyo, Japan) and consists of three modes 1 2 3 4 . Among the three available modes, RDI-3 is most suitable for observing the bile duct using POCS, as yellows can be excluded with minimal alteration of reds and greens 2 .…”

Section: Figmentioning

confidence: 99%

“…RDI is part of a new-generation endoscopy system (EVIS X1; Olympus Medical, Tokyo, Japan) and consists of three modes 1 2 3 4 . Among the three available modes, RDI-3 is most suitable for observing the bile duct using POCS, as yellows can be excluded with minimal alteration of reds and greens 2 . We herein report a case in which RDI-3 was useful for both the observation and biopsy of biliary cancer under POCS.…”

Section: Figmentioning

confidence: 99%

See 1 more Smart Citation

Usefulness of red dichromatic imagining for peroral cholangioscopy

et al. 2022

View full text Add to dashboard Cite

Peroral cholangioscopy (POCS) was developed as a diagnostic modality to directly observe bile duct lesions that are difficult to visualize by cholangiography. However, one of its main issues is that the images are strongly affected by bile juice. Red dichromatic imaging (RDI) is a new image-enhancing technology using light tones of red, amber, and green. RDI is part of a new-generation endoscopy system (EVIS X1; Olympus Medical, Tokyo, Japan

show abstract

“…A protruding lesion in the distal bile duct was observed as a skip lesion. Compared to narrow band imaging (NBI), RDI mode 3 showed the thick tortuous vessels in the lesion more clearly as the bile juice did not interfere with the imaging [4] (▶ Fig. 4 a, b).…”

mentioning

confidence: 98%