Tumor Budding is a Strong and Reproducible Prognostic Marker in T3N0 Colorectal Cancer
- 1 January 2009
- journal article
- research article
- Published by Wolters Kluwer Health in The American Journal of Surgical Pathology
- Vol. 33 (1), 134-141
- https://doi.org/10.1097/pas.0b013e318184cd55
Abstract
Background Tumor budding along the advancing front of colorectal adenocarcinoma is an early event in the metastatic process. A reproducible, prognostic budding scoring system based on outcomes in early stage colorectal cancer has not been established. Design One hundred twenty-eight T3N0M0 colorectal carcinoma patients with known outcome were identified. Tumor budding was defined as isolated tumor cells or clusters of PP=0.005). Five-year cancer-specific survival was significantly poorer in high compared with low budding groups: 63% versus 91%, respectively, PP<0.001). Interobserver agreement was at least equivalent comparing the conventional to the rapid bud count methods: 87.5% agreement (κ=0.75) versus 92.5% agreement (κ=0.85), respectively. Conclusions Tumor budding is a strong, reproducible, and independent prognostic marker of outcome that is easily assessed on hematoxylin and eosin slides. This may be useful for identifying the subset of T3N0M0 patients at high risk of recurrence who may benefit from adjuvant therapy.Keywords
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