Abstract
We studied the fundamental problems of the direct lymphadenography and obtained following results.
1) The contrast medium in oil was more suitable for this purpose than one in water.
2) Histologically the initial finding of the lipogranuloma was confirmed, but no possibility of the oil embolism.
3) The flow of lymph in the cervical duct was not accelerated during the manipulation, but the mechanical stimuli on the adjacent lymphsystem increased remarkably its flow.
Further some clinical cases were described and the possibility of the lymphography as a method of diagnosis at the neck dissection was referred to.
