Answer of August 2002

Clinical History:

M/19 Involuntary limbs movement.

Figure 1: Axial Noncontrast CT Brain
Figure 2: Axial T1 weighed MR Brain
Figure 3: Axial T2 Weighed MR Brain

                                Figure 1

                                Figure 2

                                Figure 3

Diagnosis:

Wilson's disease.Putaminal lesions are associated with bradykinesia and dystonia.

Discussion:

Figure 1: There are hypodensities in lentiform nuclei (putamen) bilaterally.

Figure 2 and Figure 3: There are T1 hypointense and T2 hyperintense signal in the putamen bilaterally