What question did this study set out to answer?

To evaluate the prevalence of nonpolypoid colorectal lesions and assess their association with neoplastic tissue and advanced histology.

March 16, 2010Endoscopy

Prevalence of nonpolypoid colorectal neoplasia: An Italian multicenter observational study

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To evaluate the prevalence of nonpolypoid colorectal lesions and assess their association with neoplastic tissue and advanced histology.
Multicenter cross-sectional observational study of consecutive patients undergoing total colonoscopy over a 3-month period across 80 centers in Italy (N=27,400).
Precancerous lesions occurred in 5,609 patients, with nonpolypoid lesions (NPLs) observed in 1,455 patients (prevalence 5.3%, 95% CI 5.0–5.6) and demonstrating a predominance in the proximal colon (OR 2.92, 95% CI 2.56–3.43; P < 0.0001 vs polypoid lesions).
Neoplastic tissue was identified in 79.0% and advanced histology in 20.9% of resected NPLs; risk of advanced histology was comparable between polypoid and nonpolypoid lesions after size adjustment, but depressed NPLs exhibited markedly elevated risk (OR 10.56, 95% CI 6.02–18.55; P < 0.0000 vs flat-elevated).

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Implication

Multicenter cross-sectional study finds a 5.3% prevalence of nonpolypoid lesions in adults undergoing colonoscopy, suggesting depressed subtypes carry significant cancer risk.

Cite This Study

Bianco et al. (2010) studied this question.

synapsesocial.com/papers/6a70a06726770c2b8de0a4e8 https://doi.org/10.1055/s-0029-1244020

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Implication

Multicenter cross-sectional study finds a 5.3% prevalence of nonpolypoid lesions in adults undergoing colonoscopy, suggesting depressed subtypes carry significant cancer risk.

Prevalence of nonpolypoid colorectal neoplasia: An Italian multicenter observational study

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Discussion

Implication

Cite This Study

Prevalence of nonpolypoid colorectal neoplasia: An Italian multicenter observational study

Key Points

Discussion

Implication

Cite This Study

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