Melanoma primario de ganglio linfático. A propósito de 3 casos con comportamiento biológico favorable

While the group of cases is small, the findings raise the possibility that there may be a subgroup of melanomas, up to now considered as MMUO, that are true primary lymph node tumours with favourable biological development different to the normal evolution for reasons that have not yet been established. They should not be considered as Stage III or IV of melanoma and could be treated on an individual basis, with local surgery alone.