Abstract：
OBJECTIVES:The treatment strategy of early stage oral squamous cell carcinoma's (OSCC) resected with close or involved margins is a returning point of discussion. In this study we reviewed the consequences of re-resection (RR), postoperative radiotherapy (PORT) or watchful waiting (WW). PATIENTS AND METHODS:Two-hundred patients with a primary resected Stage 1-2 OSCC of the tongue, floor of the mouth and cheek were included and retrospectively analysed. Local recurrence ratio was related to margin status, unfavourable histological parameters (spidery infiltrative, peri-neural and vascular-invasive growth) and postoperative treatment modality. 3-year overall survival (OS) and disease-specific survival (DSS) was calculated in relation to margin status. RESULTS:Twenty-two of 200 (11%) patients had pathological positive margins (PM), 126 (63%) close margins (CM), and 52 (26%) free margins (FM). OS and DSS were not significantly different between these groups. Nine of 200 (4.5%) patients developed local recurrent disease. Two (9.1%) had a PM, five (4.0%) a CM and two (3.8%) a FM. Of the nine recurrences, five patients had undergone PORT, one a RR, and three follow-up. Watchful waiting for CM ⩾3 mm with ⩽2 unfavourable histological parameters showed, besides margin status no significant differences with the FM group. CONCLUSION:With this treatment strategy, the local recurrence rate was 4.5%. No evidence was found for local adjuvant treatment in case of close margins ⩾3 mm with ⩽2 unfavourable histological parameters. Current data do not support the use of one treatment modality above any other.
journal_name
Oral Oncoljournal_title
Oral oncologyauthors
Dik EA,Willems SM,Ipenburg NA,Adriaansens SO,Rosenberg AJ,van Es RJdoi
10.1016/j.oraloncology.2014.02.014subject
Has Abstractpub_date
2014-06-01 00:00:00pages
611-5issue
6eissn
1368-8375issn
1879-0593pii
S1368-8375(14)00062-1journal_volume
50pub_type
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