Diagnostic and Prognostic Impact of Crypt Branching in Patients With Ulcerative Colitis: A Validation Study
Corinna Lang-Schwarz1, Carlos A Rubio2, Michael Vieth3
1Institute of Pathology, Friedrich-Alexander-University Erlangen-Nuremberg, Klinikum Bayreuth GmbH, Bayreuth, Germany Corinna.Lang-Schwarz@klinikum-bayreuth.de.
Anticancer Research
|December 31, 2021
Summary
Crypt branching assessment is reliable for ulcerative colitis (UC) diagnosis. It helps differentiate active UC from infectious colitis and may predict neoplasia risk.
Area of Science:
- Gastroenterology
- Histopathology
- Colorectal Cancer Research
Background:
- Ulcerative colitis (UC) diagnosis and prognosis require accurate histological assessment.
- Crypt branching (fission) is a potential marker in UC, but its reliability and clinical significance need validation.
Purpose of the Study:
- To validate inter-rater agreement for assessing crypt branching in UC patients.
- To investigate the diagnostic and prognostic value of crypt branching in UC.
Main Methods:
- Analysis of 100 UC patient biopsies and control groups (infectious colitis, low-grade intraepithelial neoplasia).
- Three pathologists quantified total crypts in fission, symmetric fission (CSF), and asymmetric fission (CAF).
Main Results:
- High inter-rater agreement (good to excellent) for crypt branching assessment in UC.
- Crypt fission significantly correlated with UC activity (p<0.001).
- UC patients showed higher crypt fission counts than infectious controls; higher CSF in LGIN controls.
Conclusions:
- Crypt branching assessment is a reliable histological feature for active UC.
- It aids in distinguishing UC from infectious colitis.
- Increased CSF may indicate a higher risk for neoplasia in UC patients.
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