[The significance of radioisotopic methods in internal diseases diagnosis]

The present article is an attempt to show the best diagnostic radioisotopic methods which are practically applied in the internal diseases diagnostics. It was shown both the most important indications for performing these examinations and expected advantages. In particular, it was paid attention to achieved progress in the diagnostics of some diseases owing to radioisotopic methods application. In addition, a general availability and non-invasity of these methods advocates in support of using them.