We present a case of a 57-year-old man with a two-month history of shoulder pain and proximal weakness. The history and physical examination are reviewed and a stepwise approach to the differential diagnosis is made to reach the final diagnosis.
Publicación Oficial de la Sociedad Ecuatoriana de Neurología, de la Liga Ecuatoriana Contra la Epilepsia y de la Sociedad Iberoamericana de Enfermedad Cerebrovascular
