Objective To investigate the factors related to the isolated progressive pontine infarction( PPI). Methods The clinical and brain MRI of 66 patients with acute pontine infarction treated were collected and analyzed retrospectively. Patients were further assigned into PPI and non-PPI group according to their clinical manifestations. According to the results of magnetic resonance diffusion weighted imaging( DWI),the pontine infarction were assigned into paramedian,well-circumscribed small deep infarction and ...