Neuroimaging study of myotonic dystrophy. II. MRI measurements of the brain.
The brain of patients with adult type myotonic dystrophy was measured using MRI, and compared with age- and sex-matched controls. The width of the cerebrum, and the areas of the corpus callosum, pons and pituitary gland were significantly smaller in adult-type myotonic dystrophy than in the controls. The IQ of the patients with adult-type myotonic dystrophy was lower than that of controls. These results demonstrate a decreased volume of the brain and pituitary glands in myotonic dystrophy. These findings suggest a causal relationship for the mental retardation and endocrine dysfunction that may occur.
Hashimoto
T
T
Department of Pediatrics, University of Tokushima School of Medicine, Japan.
Tayama
M
M
Miyazaki
M
M
Murakawa
K
K
Kawai
H
H
Nishitani
H
H
Kuroda
Y
Y
D000328:Adult; D001921:Brain / Q000473:pathology*; D003337:Corpus Callosum / Q000473:pathology; D005260:Female; D006801:Humans; D007361:Intelligence Tests; D008279:Magnetic Resonance Imaging; D009223:Myotonic Dystrophy / Q000175:diagnosis*; D010902:Pituitary Gland / Q000473:pathology; D011149:Pons / Q000473:pathology