Statistical criteria for the cytology of gastric cancer a proposal of distance index.

The concept and term of Distance Index, a complex ratio of cell, nucleus and nucleolus has been previously reported by the author. Twenty were sampled from thirty-four advanced cancers, twenty-one early cancers and six benign atypical lesions for this stochastical diagnostics. Distance Index was proved to have better diagnostic value in separatings the gastric cancer and the benign epithelium than the nuclear cell ratio and the nucleolar cell ratio. It has been found that the value of the constant K is most suitable at 130.