Hallervorden-Spatz disease
progressive neurodegenerative disease
- extrapyramidal dysfunction (parkonsonism)
- autosomal recessive inhertance
CT findings
- high-signal lesions in globus pallidus bilaterally
MRI findings (T2-weighted spin-echo)
- hypointensity in globus pallidus (iron accumulation)
- small area of hyperintensity in internal segment
(so-called "eye of the tiger" sign)
corresponding to area of gliosis and vacuolation
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© 2002, C.E. Kahn, Jr.
2002-04-18