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The caudate nucleus heads are markedly atrophic resulting in enlargement of the frontal horns and increased inter-caudate distance (22mm) and increased inner table to intercaudate caudate ratio (0.23 (normal 0.09 - 0.12)). Putamen are also markedly decreased in size with increased T2 signal. Mild globus pallidus mineralisation within normal limits. Otherwise cerebral volume is age appropriate. No evidence of restricted diffusion abnormality. No further abnormalities identified.
These are typical and advanced features of Huntington's disease in a young patient with 3 years of symptoms. She has been tested and gene positive.