Submucosal hyper-echogenicity on intestinal ultrasound is associated with fat deposition and predicts treatment non-response in patients with ulcerative colitis - Summary - MDSpire

Submucosal hyper-echogenicity on intestinal ultrasound is associated with fat deposition and predicts treatment non-response in patients with ulcerative colitis

  • By

  • Maarten J Pruijt

  • E Andra Neefjes-Borst

  • Floris A E De Voogd

  • Marilyne M Lange

  • Christoph Teichert

  • Reimer J Janssen

  • Geert R D’Haens

  • Krisztina B Gecse

  • November 4, 2025

  • 0 min

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Objective:

To quantify echogenicity and understand transmural changes in ulcerative colitis (UC) using intestinal ultrasound (IUS) to improve treatment outcomes.

Key Findings:
  • Submucosal fat deposition correlated with higher RSE values in colectomized UC patients, indicating a potential marker for treatment response.
  • Non-responders to treatment had significantly higher RSE compared to responders, suggesting a need for alternative therapies.
  • An RSE of >108 grayscale values predicted non-response to treatment, highlighting its prognostic value.
Interpretation:

Submucosal hyper-echogenicity on IUS indicates fat deposition and is a predictor of treatment non-response in UC patients.

Limitations:
  • Study limited to patients undergoing colectomy, which may not represent all UC patients, potentially skewing the generalizability of results.
  • Potential bias in histopathological scoring due to subjective assessment, which could affect the reliability of findings.
Conclusion:

IUS can effectively identify submucosal changes in UC, providing valuable prognostic information regarding treatment response, which may guide clinical decision-making.

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