Unsuspected Alzheimer disease in a patient with Multiple sclerosis and progressive aphasia.

Borrelli S Department of Clinical Neurosciences, Lausanne University Hospital, Rue du Bugnon 46, 1011, Lausanne, Switzerland. Electronic address: serena.borrelli.sb@gmail.com.
Genoud-Prachex T Department of Clinical Neurosciences, Lausanne University Hospital, Rue du Bugnon 46, 1011, Lausanne, Switzerland.
Meyer M Department of Nuclear Medicine, Lausanne University Hospital, Rue du Bugnon 46, 1011, Lausanne, Switzerland.
Démonet JF Department of Clinical Neurosciences, Lausanne University Hospital, Rue du Bugnon 46, 1011, Lausanne, Switzerland.
Rouaud O Department of Clinical Neurosciences, Lausanne University Hospital, Rue du Bugnon 46, 1011, Lausanne, Switzerland.