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Colorectal Case 14

Dr. Serhii Polishchuk
Gastrointestinal endoscopist at LLC “GASTROCENTER” Olymed; Trainer at NGO “EndoAcademy”, Ukraine

Procedure Information


Scope: CF-EZ1500DL

Case Findings: Tubular adenoma with LGD – JNET2A

Organ: Colon (splenic flexure of the colon)

Patient information: 63 y.o. female, screening colonoscopy

Medical history: No family history of CRC. No alcohol abuse, no smoking.

1. Tubular adenoma with LGD

NBI observation (panoramic view)

NBI Color Mode 3
Enhancement: A5

2. Tubular adenoma with LGD

NBI observation + dual focus (vessel pattern – regular distribution of meshed vessels)

NBI Color Mode 3
Enhancement: A5

3. Tubular adenoma with LGD

NBI observation + dual focus (vessel pattern – regular caliber of vessels and regular distribution of meshed vessels; regular tubular surface pattern)

NBI Color Mode 3
Enhancement: A5

4. Tubular adenoma with LGD

NBI observation + dual focus (vessel pattern – regular distribution of meshed vessels)

NBI Color Mode 3
Enhancement: A5

5. Tubular adenoma with LGD

NBI observation + dual focus (vessel pattern – regular caliber of vessels and regular distribution of meshed vessels; regular tubular surface pattern)

NBI Color Mode 3
Enhancement: A5

6. Tubular adenoma with LGD

TXI light observation + crystal violet (regular tubular pit pattern)

Texture and Color Enhancement Imaging (TXI): Mode 1

Case Video

Tubular adenoma with LGD - JNET2A

Overall Comment

The final optical diagnosis in this case was:

Location: splenic flexure of the colon

Size: ~8mm

Morphology (Paris classification): 0-ІIa

Pit pattern: IIIL (Kudo classification: tubular pit pattern)

JNET classification: JNET2A (vessel pattern – regular caliber of vessels and regular distribution of meshed vessels; regular tubular surface pattern)

Optical diagnosis: Tubular adenoma with LGD

Treatment: cold snare polypectomy (CSP)

Pathology report: Tubular adenoma with low grade dysplasia (ICD-O code: 8211/0). No signs of cytological dysplasia in resection margins (complete removal).

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