Abstract
1. In NO cases of supraglottic carcinoma the incidence of micrometastasis on the side of the lesion was 22% in patients with T1, 19% in those with T2, 33% in those with T3 and 40% in those of T4 disease. The overall incidence of micrometastasis of supraglottic carcinoma was 25%.
2. The incidence of metastasis on the side of the lesion was 46% during the entire course of the disease.
3. Radical neck dissection on the side of the lesion was repeated in 18% of the patients in University Hospital.
4. The prognosis of patients with recurrent cancer after neck dissection is very poor.
5. Extracapsular invasion, capsular invasion and necrosis and/or cystic change of metastatic nodes are signs of recurrence in the neck or of distant metastasis.
6. Extracapsular invasion of a metastatic node was frequent if the node was 3 cm or more in diameter. Capsular invasion seems to occur in nodes 2 cm or more in diameter.
