Journal
PATHOLOGY RESEARCH AND PRACTICE
Volume 206, Issue 2, Pages 88-92Publisher
ELSEVIER GMBH
DOI: 10.1016/j.prp.2009.09.006
Keywords
Laryngeal carcinoma; Budding; Prognosis; Distant metastasis
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Tumor budding is recognized as an adverse prognostic factor for a few carcinoma types. We evaluated the importance of this finding in 64 laryngeal carcinoma patients treated with surgery and radiotheraphy, with a median follow up of 53 (6-181) months. Budding was determined by re-evaluating hematoxylin-eosin (H&E) stained tumor sections, and classified as mild, moderate, and marked. Budding was not identified in 14 (21.88%) cases. Mild, moderate, and marked budding was observed in 21 (32.81%), 15 (23.44%), and 14 (21.88%) cases, respectively. Only when cases with marked budding were compared with the others, statistically significant results were obtained. in patients with and without marked budding, local disease-free survival, metastatic disease-free survival, and overall survival were 71% and 97% (p=0.72), 77% and 93% (p=0.038), and 77% and 75% (p=0.71), respectively. Marked budding was identified as a prognostic factor by univariate analysis for distant metastasis-free survival. Multi-variate analysis, by which well-recognized prognostic histopathologic parameters were evaluated, revealed that only the number of metastatic lymph nodes and budding were significantly associated with distant metastasis (p=0.02 and p=0.044), respectively. These results suggest that budding might be a valuable prognostic factor, particularly for distant metastasis in laryngeal carcinomas. (C) 2009 Elsevier GmbH. All rights reserved.
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