ECCO-ESGAR-ESP-IBUS Guideline on Diagnostics and Monitoring of Patients with Inflammatory Bowel Disease: Part 2: IBD scores and general principles and technical aspects - Report - MDSpire

ECCO-ESGAR-ESP-IBUS Guideline on Diagnostics and Monitoring of Patients with Inflammatory Bowel Disease: Part 2: IBD scores and general principles and technical aspects

  • By

  • Henit Yanai

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Roger Feakins

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Mariangela Allocca

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Johan Burisch

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Pierre Ellul

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Marietta Iacucci

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Christian Maaser

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Alessandra Zilli

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Nina Zidar

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Rune Wilkens

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Bram Verstockt

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Stephan Vavricka

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Mathieu Uzzan

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Jaap Stoker

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Martina Scharitzer

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • David Rubin

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Francesca Rosini

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Jordi Rimola

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Patrick van Rheenen

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Paula Borralho Nunes

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Kerri Novak

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Nurulamin M Noor

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Olga Maria Nardone

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Cathy Lu

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Uri Kopylov

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Konstantinos Katsanos

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Isabelle de Kock

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Amelia Kellar

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Konstaninos Karmiris

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Giovanni Maconi

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Frederica Furfaro

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Emma Flanagan

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Ann Driessen

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Mallory Chavannes

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Dominik Bettenworth

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Shomron Ben-Horin

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Gauraang Bhatnagar

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Pamela Baldin

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Torsten Kucharzik

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • Stuart Taylor

  • the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • July 31, 2025

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ECCO-ESGAR-ESP-IBUS Guidelines on IBD Diagnosis and Monitoring: Scoring Systems

Overview

This guideline update emphasizes validated clinical, endoscopic, ultrasound, and imaging scoring systems for assessing inflammatory bowel disease (IBD) activity and treatment response. It highlights the strengths and limitations of various indices for ulcerative colitis (UC) and Crohn’s disease (CD), supporting precision medicine approaches in IBD care.

Background

Inflammatory bowel disease, encompassing Crohn’s disease and ulcerative colitis, requires precise diagnostic and monitoring tools to optimize patient outcomes. Endoscopy remains the reference standard for assessing disease activity, supplemented by clinical indices and imaging modalities such as intestinal ultrasound (IUS) and magnetic resonance enterography (MRE). Numerous scoring systems have been developed to standardize assessment of disease severity, extent, and response to therapy, facilitating treatment decisions and prognostication.

Data Highlights

Key scoring systems for UC include the Mayo Endoscopic Subscore (MES), UC Endoscopic Index of Severity (UCEIS), and Paddington International Virtual Chromoendoscopy Score (PICaSSO). For CD, validated scores include the Crohn’s Disease Endoscopic Index of Severity (CDEIS), Simple Endoscopic Score for CD (SES-CD), and Rutgeerts score for postoperative recurrence. Intestinal ultrasound scores such as IBUS-SAS, BUSS, and SUS-CD correlate well with endoscopic activity. Magnetic resonance enterography scoring systems like MaRIA are also utilized for CD assessment.

Key Findings

  • Clinical indices are recommended for routine assessment of IBD activity, though no single ideal index exists.
  • Endoscopic scoring systems for UC (MES, UCEIS, PICaSSO) and CD (CDEIS, SES-CD) are validated and guide treatment decisions.
  • Intestinal ultrasound reliably measures bowel-wall thickness and vascularization, with several validated scoring systems correlating with endoscopic findings.
  • Magnetic resonance enterography provides accurate assessment of CD activity with established scoring indices.
  • Modified and novel scoring systems (e.g., MM-SES-CD, modified Rutgeerts, REMIND, POCER) address limitations of original scores and improve prognostic value.
  • Automated calculation tools and further validation studies are needed to enhance clinical implementation and distinguish disease severity levels.

Clinical Implications

Clinicians should incorporate validated clinical, endoscopic, and imaging scoring systems to standardize assessment and monitoring of IBD activity. Utilizing these tools can improve treatment decisions and prognostication, supporting treat-to-target strategies. Awareness of each scoring system’s strengths and limitations is essential for optimal application in clinical practice.

Conclusion

Validated scoring systems across clinical, endoscopic, ultrasound, and imaging modalities are integral to precision management of IBD. Ongoing refinement and validation will enhance their utility in routine care and research.

References

  1. ECCO-ESGAR-ESP-IBUS Guidelines 2024 -- Diagnosis and Monitoring of Inflammatory Bowel Disease: Scoring Systems and Technical Considerations

Original Source(s)

ECCO-ESGAR-ESP-IBUS Guideline on Diagnostics and Monitoring of Patients with Inflammatory Bowel Disease: Part 2: IBD scores and general principles and technical aspects

  • by Henit Yanai, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Roger Feakins, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Mariangela Allocca, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Johan Burisch, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Pierre Ellul, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Marietta Iacucci, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Christian Maaser, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Alessandra Zilli, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Nina Zidar, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Rune Wilkens, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Bram Verstockt, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Stephan Vavricka, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Mathieu Uzzan, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Jaap Stoker, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Martina Scharitzer, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], David Rubin, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Francesca Rosini, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Jordi Rimola, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Patrick van Rheenen, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Paula Borralho Nunes, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Kerri Novak, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Nurulamin M Noor, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Olga Maria Nardone, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Cathy Lu, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Uri Kopylov, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Konstantinos Katsanos, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Isabelle de Kock, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Amelia Kellar, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Konstaninos Karmiris, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Giovanni Maconi, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Frederica Furfaro, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Emma Flanagan, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Ann Driessen, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Mallory Chavannes, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Dominik Bettenworth, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Shomron Ben-Horin, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Gauraang Bhatnagar, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Pamela Baldin, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Torsten Kucharzik, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO], Stuart Taylor, the European Society of Gastrointestinal and Abdominal Radiology [ESGAR] the European Society of Pathology [ESP] and the International Bowel Ultrasonography Group [IBUS] on behalf of the European Crohn’s and Colitis Organisation [ECCO]

  • July 31, 2025

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