The author obtained the following results concerning the content of urinay 17-KS in various kinds of internal diseases.
1) In diabetes mellitus it is normal or decreases, but some cases show an increased content.
2) In Basedow's disease it is normal or decreases, and in myxodema it decreases, but it returns to normal content as the basal metabolism becomes normal.
3) In addison's disease it decreases, but by no means becomes zero. In addisonism, it decreases too.
4) In various sorts of anemia it decreases, but it is normal in minimal cases of anemia. In leukemia it decreases.
5) In liver diseases it generally decreases.
6) In heart diseases, cases without decompensation show a normal content and cases with decompensation show a decreased content, but the content increases with emeliorated decompensation.
7) In hypertension it is normal or decreases, and some cases with juvenile hypertension and diabetes mellitus show an increased content.
8) In chronic nephritis and nephrosis, it generally decreases:
9) In infectious diseases, cases with fever of long duration show a decreased content, while cases with fever of short duration, a normal content.
10) In tuberculosis, cases with malnutrition show a decreased content.
11) In bronchial asthma it decreases during the attack.
12) In tumor, cases with good general condition show a normal content, but the content decreases as cachexy progresses.
13) In neurotic diseases it is generally normal, some cases with so-called neurosis show a decreased content.