Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society
Cure8 research brief
Why This Matters
Better endoscopic classification of flat-type dysplasia could improve surveillance accuracy for people with long-standing ulcerative colitis, helping identify lesions that need biopsy or more urgent management.
Who Should Pay Attention
Gastroenterologists and endoscopists involved in IBD surveillance, researchers studying endoscopic assessment of dysplasia, and clinicians caring for patients with long-standing ulcerative colitis at risk for colitis-associated neoplasia.
Study Snapshot
Story typeResearch paper
Evidence typeResearch paper
Source depthJournal abstract
What To Know
The FOCUS system groups chromoendoscopic patterns into three types (Type I: suggestive of non-dysplasia; Type II: suggestive of dysplasia with low confidence; Type III: suggestive of dysplasia with high confidence).
In this single-center retrospective study of 33 lesions (230 biopsy sites), Types II/III versus Type I produced sensitivity ~82% and specificity ~75% for detecting dysplasia. Interobserver agreement was moderate-to-substantial and intraobserver agreement was substantial, which supports reproducibility among endoscopists.
Limitations and context: This report is an abstract-level, single-center study with a small number of lesions; findings should be interpreted cautiously and need external validation in larger, prospective cohorts before changing clinical practice.
Bottom line: The FOCUS chromoendoscopy classification appears promising for stratifying flat-type dysplasia risk in UC surveillance but requires broader validation.
Keep In Mind
This is an abstract-level, single-center retrospective study with a small sample size (33 lesions); results need replication in larger, prospective, multicenter studies before clinical adoption.
Source Details
Review the original publication for the complete reporting, methods, and context.
Research paper
Evidence type derived from source or registry metadata.
PublicationDigestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society
AuthorsTakabayashi K, Murata S, Sasaki M +21 more
Study typeIm, journal article
Indexed viaEurope PMC
Source typeResearch paper
PublishedSep 1, 2026, 12:00 AM
Content availableJournal abstract
This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.
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