obsolete_chronic progressive multiple sclerosis true SNOMEDCT:230373008 Multiple Sclerosis, Progressive Relapsing Primary Progressive Multiple Sclerosis Progressive Relapsing Multiple Sclerosis Multiple Sclerosis, Chronic Progressive Multiple Sclerosis, Primary Progressive MS CHRONIC PROGRESSIVE Secondary Progressive Multiple Sclerosis A form of multiple sclerosis characterized by a progressive deterioration in neurologic function which is in contrast to the more typical relapsing remitting form. If the clinical course is free of distinct remissions, it is referred to as primary progressive multiple sclerosis. When the progressive decline is punctuated by acute exacerbations, it is referred to as progressive relapsing multiple sclerosis. The term secondary progressive multiple sclerosis is used when relapsing remitting multiple sclerosis evolves into the chronic progressive form. (From Ann Neurol 1994;36 Suppl:S73-S79; Adams et al., Principles of Neurology, 6th ed, pp903-914) Replaced by Mondo term MONDO_0005284, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0005284 Multiple Sclerosis, Secondary Progressive MESH:D020528 SECOND PROGRESSIVE MULTIPLE SCLEROSIS MULTIPLE SCLEROSIS SECOND PROGRESSIVE DOID:0050785 DOID:0050784 3.88.0 DOID:0050783 http://purl.obolibrary.org/obo/MONDO_0005284 Remittent Progressive Multiple Sclerosis Multiple Sclerosis, Remittent Progressive Tomasz Adamusiak