Screening colonoscopy (M, 60y.o.)
Location - sigmoid colon
Size ~22mm
Morphology: Paris 0-IIa+Is type (LST-G)
Pit pattern – IIIL
NBI – JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment – endoscopic mucosal resection (EMR)
Pathology report – tubular adenoma LGD (ICD-O

The light blue crest (LBC), a blue-whitish patchy area observable with NBI-magnification endoscopy on the gastric epithelial surface, may have a distinctive endoscopic diagnostic appearance of intestinal metaplasia.

Screening colonoscopy (M, 68y.o.)
Location - cecum
Size ~ 18mm
Morphology: Paris 0-IIa type (LST-G)
Pit pattern – IIIL
NBI – JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment – endoscopic mucosal resection (EMR)
Pathology report – tubular adenoma LGD (ICD-O code:

Colonoscopy (M, 38y.o.) - bowel habit change (constipation). No family history of CRC.
Location: cecum
Size: ~ 7mm
Morphology (Paris classification): 0-ІIa
Pit pattern: II+IIO (Kudo classification: asteroid pits and open pits)
JNET classification: JNET1
Optical diagnosis:

Screening colonoscopy (M, 46y.o.) with family history of CRC.
Location - ascending colon
Size ~ 13mm
Morphology: 0-ІIa (LST-NG)
Pit pattern – IIIL
NBI - JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment - endoscopic mucosal resection (EMR)
Pathology report - tubular

Screening colonoscopy (F, 63y.o.)
Location - descending colon
Size ~ 5mm
Morphology: 0-ІIa
Pit pattern – IIIL+IIIs
NBI - JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment - cold snare polypectomy (CSP)
Pathology report - tubular adenoma LGD (ICD-O code: 8211/0). No

Screening colonoscopy (M, 57y.o.)
Location - - ascending colon
Size ~ 5mm
Morphology: 0-ІIa
Pit pattern – IIIL
NBI - JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment - cold snare polypectomy (CSP)
Pathology report - tubular adenoma LGD (ICD-O code: 8211/0). No signs

Screening colonoscopy (M, 57y.o.)
Location - ascending colon
Size ~ 18mm
Morphology: Paris 0-IIa type (flat elevation of mucosa), LST-G
Pit pattern – IIIL
NBI – JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment – endoscopic mucosal resection (EMR)
Pathology report –

Screening colonoscopy (M, 50y.o.)
Location - sigmoid colon
Size ~ 2mm
Morphology: 0-ІIa
Pit pattern – IIIL
NBI - JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment - cold snare polypectomy (CSP)
Pathology report - tubular adenoma LGD (ICD-O code: 8211/0). No signs of

Screening colonoscopy (M, 56y.o.)
Location: transverse colon
Size: ~ 8mm
Morphology (Paris classification): 0-ІIa
Pit pattern: II+IIO (Kudo classification: asteroid pits and open pits)
JNET classification: JNET1 (vessel pattern – invisible; surface pattern – dark spots inside

Is it possible to determine the type of gastritis endoscopically?
Yes, it is possible. If endoscopist have knowledge of the detailed structure of different parts of the stomach and using a modern endoscope is quite easy.
Upper endoscopy (F, 30y.o.) with NBI+TXI+zoom focus
The

Colonoscopy (F, 65y.o.)
Location - sigmoid colon
Size ~ 5mm
Morphology: 0-ІIa
Pit pattern – IIIL
NBI - JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment - cold snare polypectomy (CSP)
Pathology report - tubular adenoma LGD (ICD-O code: 8211/0). No signs of cytological

Colonoscopy: young patient (M, 24y.o.) with Familial Adenomatous Polyposis (FAP) and colorectal cancer
#colonoscopy #ColorectalCaner #FAP

Screening colonoscopy (F, 65y.o.) with positive FIT test
Location - ascending colon
Size ~ 7mm
Morphology: Paris 0-IIa type (flat elevation of mucosa)
Pit pattern – IIIL+IIIs
NBI – JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment – cold snare polypectomy (CSP)

Screening colonoscopy (F, 68y.o.) with positive FIT
Location - rectum
Size ~ 25mm
Morphology: Paris 0-Is type, (LST-G)
Pit pattern – IIIL+Vi
NBI – JNET2B
Optical diagnosis: tubular adenoma with HGD
Treatment – endoscopic submucosal dissection (ESD);
Pathology report – tubular

Screening colonoscopy (M, 52y.o.)
Location - ascending colon
Size ~ 2mm
Morphology: Paris 0-IIa type (flat elevation of mucosa)
Pit pattern – IIIL
NBI – JNET2A
Optical diagnosis: tubular adenoma with LGD
Treatment – cold forceps polypectomy (CFP)
Pathology report – tubular

Screening colonoscopy (M, 51y.o.)
Location - rectum
Size ~ 20mm
Morphology: Paris 0-Is type, (LST-G)
Pit pattern – IIIL+IV
NBI – JNET2A
Optical diagnosis: tubulovillous adenoma with LGD
Treatment – endoscopic mucosal resection (EMR); Red Dichromatic Imaging (RDI) was very useful