Progression vs Cyst Stability of Branch-Duct Intraductal Papillary Mucinous Neoplasms After Observation and Surgery
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View abstract on PubMed
Summary
This summary is machine-generated.Stable branch-duct intraductal papillary mucinous neoplasms (BD IPMNs) have low malignant potential. New worrisome features or high-risk stigmata (HRS) indicate high-grade dysplasia, while jaundice suggests invasive cancer in BD IPMNs.
Area Of Science
- Gastroenterology
- Oncology
- Pathology
Background
- Intraductal papillary mucinous neoplasms (IPMNs) progression to malignancy is poorly understood.
- Previous studies lacked comprehensive data on IPMN malignant transformation.
Purpose Of The Study
- To identify dynamic variables predicting malignant neoplasm development in IPMNs.
- To combine pathological features with preoperative surveillance data.
Main Methods
- Retrospective analysis of a multicentric cohort of branch-duct IPMNs (BD IPMNs) under surveillance (2000-2019).
- Inclusion of 292 patients from 5 international referral centers.
- Minimum 12 months of preoperative surveillance with repeated observations.
Main Results
- 107 patients (36.6%) had high-grade dysplasia (HGD) or invasive cancer at final pathology.
- Developing new worrisome features or high-risk stigmata (HRS) correlated with HGD.
- Jaundice in low-risk cysts was independently associated with invasive cancer (OR, 16.04).
Conclusions
- Stable BD IPMNs carry the lowest risk of malignancy.
- Emergence of worrisome features or HRS signifies increased risk of HGD.
- Jaundice development is a critical indicator of invasive cancer in IPMNs.
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