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After briefly reviewing the principles, indications, and merits of functional neck dissection, the results of 1200 neck dissections performed on 843 patients in the period 1961-1979 are presented. They compare very favorably with those reported for classic (radical) neck dissection by other leading authors; however, a retrospective analysis of data derived from material of different origin is hardly possible and has a disputable value. Therefore, we decided to compare our data on functional neck dissections (FND) with those of classic neck dissections (CND) performed by the same surgical team at the same clinic in the period 1948-1960. The clinical material was largely the same in both cases, and the data were collected and analyzed using the same criteria. In both series, neck dissections were divided into elective and curative. It could be demonstrated that the number of neck recurrences observed in the dissected necks is the same for FND and CND in curative dissections, while it is considerably lower for FND in elective neck dissections. This of course does not prove improved radicality in FND, but only proves that a systematic bilateral elective neck dissection in N0 cases affords improved cancerological safety. This radical bilateral approach to regional lymph nodes is made possible routinely by FND which avoids the problems of unnecessary mutilation. The figures produced speak in favor of a wider adoption of FND especially for expanding the indications to elective treatment of regional lymph nodes in cancer of the head and neck. Elective neck dissection is made practically harmless by this newer technique and averts the dreadful appearance of late metastases in N0 cases.
Bocca et al. (Sun,) studied this question.