SCCs of the localization cited in the heading with local extension >1 cm have an increased risk for metastasis. Therefore, radiotherapists sometimes recommend locoregional radiation therapy, at least in cases with high-grade cancers. This option is also adopted in some cases without suspicious lymph nodes and in cases with investigation of the sentinel nodes that yield a negative result.
In a retrospective study on a large melanoma database with >8000 cases of malignant melanomas (American Joint Committee on Cancer), in 39 cases stage I and II melanomas analyses of the pre- or intraparotidean SLNs were carried out (Olilla et al. 1999). The patients had intraoperative lymphatic mapping to identify the SLNs in the parotid gland area.
The following results were obtained (Table 5).
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Complete Guide to Preventing Skin Cancer. We all know enough to fear the name, just as we do the words tumor and malignant. But apart from that, most of us know very little at all about cancer, especially skin cancer in itself. If I were to ask you to tell me about skin cancer right now, what would you say? Apart from the fact that its a cancer on the skin, that is.