Clinical characteristics of patients with asymptomatic new lesions
| Age (yr)/Gender | Clinical Details | Diffusion-weighted Imaging |
|---|---|---|
| 75 M | 1979, left hemiparesis, dysarthria; 1992, 1998, episodes of unexplained loss of consciousness, hypertension; no symptoms for 8 months before MR imaging; MMSE score, 29 | Left centrum semiovale infarct |
| 55 M | 1995, right hemiparesis; 1999, right hemiparesis, dysarthria; no symptoms for 7 months before MR imaging; gait apraxia, pseudobulbar palsy, MMSE score, 25 | Right frontal subcortical lacunar infarct |
| 74 M | 1991, right hemiparesis; 1998, episode of confusion; 1999, right hemiparesis and sensory loss (120 days before MR imaging); hypertension, smoker, MMSE score, 26 | Left lentiform nucleus lacunar infarct |
| 65 M | 2001, right hemiparesis (97 days before MR imaging), hypertension; 1991, myocardial infarction, chronic renal failure; MMSE score, 30 | Right lentiform nucleus lacunar infarct |
| 53 M | CADASIL; 1980s, right hemisensory disturbance, migraine; 1999, encephalopathy; no symptoms for 10 months before MR imaging; MMSE score, 30 | Left centrum semiovale infarct |
| 49 M | CADASIL; multiple events affecting both hands (weakness, numbness), dysarthria; no symptoms for 4 months before MR imaging; MMSE score, 28 | Left cerebellar hemisphere lacunar infarct |
Note.—M indicates male; MMSE, Mini-Mental State Examination; CADASIL, cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy.