| Theme |
Consensus Terminology in Endoscopic Imaging -- Focusing on Image-enhanced Endoscopy |
| Title |
Usefuliness of Pictorial Image Enhancement and Adaptative Index of Hemoglobin Color Enhancement |
| Author |
Atsushi Kawaguchi |
The Department of Diagnostic and Therapeutic Digestive Endoscopy, National Defense Medical College / The Second Department of Internal Medicine, National Defense Medical College |
| Author |
Shigeaki Nagao |
The Department of Diagnostic and Therapeutic Digestive Endoscopy, National Defense Medical College / The Second Department of Internal Medicine, National Defense Medical College |
| Author |
Tomoki Sato |
The Second Department of Internal Medicine, National Defense Medical College |
| Author |
Kazuhiro Narimatsu |
The Second Department of Internal Medicine, National Defense Medical College |
| Author |
Hirohumi Niwa |
Guest Professor of St. Marianna Medical University |
| [ Summary ] |
Former videoendoscopic color enhancement systems enhanced apparent redness of mucous membranes depending on the quantity of hemoglobin observed in the original images. The adaptive index of hemoglobin (IHb) color enhancement processing systems is produced through algorithm which produce clearer differences in the apparent redness of the mucous membranes. With this system intensity can be selected for each pixel, corresponding to the brightness level of that pixel. The fact that differences in shades of color which designate the redness of mucous membranes in the alimentary tract is a key point in the diagnosis of cancer. To decrease discrepancies in endoscopic diagnoses of ambiguous lesions and extent of those lesions i. e. degree of infiltration decision concerning cancers, the differentiation between minute cancers and erosion, this method has been applied to daily practice. Although the EVIP-230 system was the type of television monitor used at initially, high resolution images are now employed to produce accurate diagnostic images. |