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Tidsskr Nor Laegeforen. 2001 Nov 30;121(29):3399-403.

[Usefulness of SPECT and MRI in the diagnosis of atypical parkinsonism].

[Article in Norwegian]

Author information

1
Nevrologisk avdeling, Rikshospitalet 0027 Oslo. i.m.skogseid@klinmed.uio.no

Abstract

BACKGROUND:

Clinico-pathological studies have shown that only three out of four patients with parkinsonism have idiopathic Parkinson's disease. In patients with so-called Parkinson plus syndrome, the degeneration in the brain is more widespread and the variety of neurological signs greater than in Parkinson's disease. The differentiation of these syndromes from Parkinson's disease can be difficult. Single photon emission computed tomography (SPECT) and magnetic resonance imaging (MRI) can be of value in the differential diagnosis of parkinsonism.

MATERIAL AND METHODS:

We present three patients with atypical parkinsonism in whom MRI and SPECT with beta-CIT and epidepride was performed in addition to the clinical evaluation.

RESULTS:

The three patients all had a rapidly developing symmetric akinetic-rigid syndrome that responded poorly to levodopa. MRI showed findings regarded as typical for multiple system atrophy in two patients, but only nonspecific findings in the third patient. SPECT with beta-CIT showed a pronounced bilateral and relatively symmetric reduction in the striatal dopaminergic activity in all patients. SPECT with epidepride showed a clearly reduced striatal D2-receptor binding bilaterally in only one of the patients.

INTERPRETATION:

In patients with atypical parkinsonism, MRI and SPECT with beta-CIT and epidepride can give valuable support to the clinical diagnosis of a Parkinson plus syndrome.

PMID:
11826785
[Indexed for MEDLINE]
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