To determine the effect of treatment time-related factors on outcome in patients treated with surgery and postoperative radiation therapy (RT) for locally advanced squamous cell carcinoma of head and neck (SCCHN) METHODS: A retrospective review was performed on 208 consecutive patients treated from 1992 to 1997 with surgery and postoperative RT (> or =55 Gy) for SCCHN. The treatment time factors considered were (1) interval from surgery to the start of RT; (2) RT duration; and (3) the total time from surgery to completion of RT (treatment package time). Treatment package time was dichotomized into short (< or =100 days) vs long (>100 days) categories. Other variables considered were clinical and pathologic staging, margin status, RT dose, and tumor site. Patients were also divided into intermediate- and high-risk groups on the basis of eligibility for RTOG 95-01. Univariate (logrank) and multivariate analyses were performed. Median follow-up for surviving patients was 24 months. Actuarial 2-year locoregional control (LRC) and survival rates were 82% and 71%, respectively. In univariate analysis, factors associated with higher locoregional failure were high-risk group (p =.011), margin status (p =.038), pathologic stage (p =.035...Continue Reading
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Carcinoma, Squamous Cell
Basal cell carcinoma is a form of malignant skin cancer found on the head and neck regions and has low rates of metastasis. Discover the latest research on basal cell carcinoma here.