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Article

Texture and Color Enhancement Imaging Increases Color Changes and Improves Visibility for Squamous Cell Carcinoma Suspicious Lesions in the Pharynx and Esophagus

1
Department of Endoscopy, The Jikei University School of Medicine, Tokyo 105-8461, Japan
2
Department of Public Health and Environmental Medicine, The Jikei University School of Medicine, Tokyo 105-8461, Japan
*
Author to whom correspondence should be addressed.
Academic Editors: Hajime Isomoto and Vito Domenico Corleto
Diagnostics 2021, 11(11), 1971; https://doi.org/10.3390/diagnostics11111971
Received: 13 September 2021 / Revised: 14 October 2021 / Accepted: 20 October 2021 / Published: 23 October 2021
(This article belongs to the Special Issue The Next Generation of Upper Gastrointestinal Endoscopy)
Texture and color enhancement imaging (TXI) has been developed as an image-enhanced endoscopy technology. TXI mode2 enhances texture and brightness, and TXI mode1 also enhances color. This study aims to assess the color differences in squamous cell carcinoma (SCC) suspicious lesions in the pharynx and esophagus using white light imaging (WLI), TXI mode1, TXI mode2, and narrow-band imaging (NBI). A total of 59 SCC suspicious lesions from 30 patients were analyzed. The color differences (ΔE) between the lesion and the surrounding mucosa were calculated for each modality. The color value was assessed using the Commission Internationale d’Eclairage L*a*b* color space. The visibility of the lesion in each modality was evaluated and compared to that in the WLI by six endoscopists. The mean ΔE values in the WLI, TXI mode1, TXI mode2, and NBI were 11.6; 18.6; 14.3; and 17.2, respectively, and the ΔE values of TXI mode1, TXI mode2, and NBI were significantly higher than those of the WLI (p < 0.001). No lesions had worse visibility, and 62.5% (37/59) had improved visibility, as assessed by more than half of the endoscopists in TXI mode1. TXI mode1 can enhance color changes and improve the visibility of SCC suspicious lesions in the pharynx and esophagus, compared to WLI. View Full-Text
Keywords: superficial esophageal cancer; pharyngeal cancer; squamous cell carcinoma; texture and color enhancement imaging; image enhanced endoscopy; color difference superficial esophageal cancer; pharyngeal cancer; squamous cell carcinoma; texture and color enhancement imaging; image enhanced endoscopy; color difference
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MDPI and ACS Style

Dobashi, A.; Ono, S.; Furuhashi, H.; Futakuchi, T.; Tamai, N.; Yamauchi, T.; Suka, M.; Sumiyama, K. Texture and Color Enhancement Imaging Increases Color Changes and Improves Visibility for Squamous Cell Carcinoma Suspicious Lesions in the Pharynx and Esophagus. Diagnostics 2021, 11, 1971. https://doi.org/10.3390/diagnostics11111971

AMA Style

Dobashi A, Ono S, Furuhashi H, Futakuchi T, Tamai N, Yamauchi T, Suka M, Sumiyama K. Texture and Color Enhancement Imaging Increases Color Changes and Improves Visibility for Squamous Cell Carcinoma Suspicious Lesions in the Pharynx and Esophagus. Diagnostics. 2021; 11(11):1971. https://doi.org/10.3390/diagnostics11111971

Chicago/Turabian Style

Dobashi, Akira, Shingo Ono, Hiroto Furuhashi, Toshiki Futakuchi, Naoto Tamai, Takashi Yamauchi, Machi Suka, and Kazuki Sumiyama. 2021. "Texture and Color Enhancement Imaging Increases Color Changes and Improves Visibility for Squamous Cell Carcinoma Suspicious Lesions in the Pharynx and Esophagus" Diagnostics 11, no. 11: 1971. https://doi.org/10.3390/diagnostics11111971

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