Multiple sclerosis: on extremely mild forms with very long evolution

The author presents the clinical history of three patients with a clinical picture of multiple sclerosis with a very long evolution and with a typical but mild symptomatology. In each case the diagnosis was corroborated by a MR imaginary. In the patient with a longer evolution the first symptoms, very smooth, appeared in 1943, when he was 19 years old, and the first clinical exploration was performed in 1945. We made the last control of this man in January, 1996. The other two patients were also controlled this same month. In conclusion, the author stressed the need of having always in mind the possibility of a "very benign" form of evolution of multiple sclerosis.