[Recent developments in the diagnosis of cutaneous manifestations of internal diseases]

Remarkable advances in the field of diagnostics have been made over the last decades. Therefore, more attention is focused on the changes in the relationship between the skin symptoms (clues) and the pathology of the internal organs. The present paper highlights the following trends: 1. Changes in the concept of the correlation dermatologic diseases. 2. Coincidence of the symptoms typical of a disease in other diseases affecting the internal organs. 3. Recognition of new relationships of the correlation dermatology. 4. A scope of new indicator symptoms. 5. Occurrence of the "sine morbo" dermatodromas.