Cranial MR imaging in Wilson's disease

AJR. American Journal of Roentgenology
A D KingM A Hall-Craggs

Abstract

The purpose of the study was to describe the range of abnormalities seen on cranial MR images of patients with Wilson's disease and correlate the findings with clinical severity, duration of disease, and duration of neurologic signs and symptoms before treatment. In those patients with serial studies, the changes on MR images were compared with the clinical response. Twenty-five patients with Wilson's disease underwent MR imaging of the brain using conventional spin-echo sequences (n = 25), phase maps (n = 8), and partially refocused interleaved multiple-echo sequences (n = 5). MR imaging findings were abnormal in 22 patients and normal in three patients. The basal ganglia were interpreted as abnormal in 19 (86%) of 22 patients, involving the putamen in 19 (86%), the thalami in 12 (54%), the caudate head in 10 (45%), and the globus pallidus in nine (41%). We found a predilection for involvement of the outer rim of the putamen and the ventral nuclear mass of the thalami. The claustrum was abnormal in three patients. The midbrain was abnormal in 17 (77%) of these 22 patients, affecting predominantly the tegmentum but also the substantia nigra, red nuclei, inferior tectum, and crura. The pons was abnormal in 18 (82%) of 22 patient...Continue Reading

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