Klinefelter's syndrome occurs relatively frequently, being diagnosed for one in 600 male infants, yet it is probably very rare that it is recognized early enough to make effective treatment possible. Often the person afflicted does not go to a doctor until physical and emotional disturbances have developed on the ba sis of the syndrome. The appropriate therapy at the correct time can prevent many of these disturbances. In our andrology outpatient clinic we encountered Klinefelter's syndrome almost three decades ago in patients suffering from impotentia generandi. It was not until later that...

The patch test (epicutaneous test) and photo patch test are used to clarify the etiology and diagnosis of allergic as well as light-potentiated contact der matitis. The patch test must be correlated with historic data and physical ex amination. Contact dermatitis constitutes a significant proportion (5%-15%) of the dis eases at dermatologic clinics. If the results are to be reliable, patch tests should be performed properly and the technique should not be varied in an arbitrary manner. The examiner should adhere strictly to the standard procedure so as to understand its possibilities and its...