A case of familial type IIa hypercholesterolemia with the clinical features similar to cerebrotendinous xanthomatosis

Nobutaka Sakae, Takayuki Taniwaki, Kenji Arakawa, Takeshi Yamada, Jun-Ichi Kira

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Abstract

A 63-years-old woman noticed unsteady gait at the age of 56 years and then developed dysarthria two years later. A general physical examination at age 56 revealed mild hypertrophy of both Achilles tendons. On neurological examination, she had scanning speech, moderate limb and truncal ataxia, and moderate hyperreflexia of all limbs. A soft tissue X-ray examination disclosed hypertrophy of both Achilles tendons with multiple punctate calcification. Brain MRI showed diffuse cerebellar atrophy. Motor evoked potentials in the right limb disclosed a prolonged central conduction time. Blood chemistry showed familial type IIa hypercholesterolemia (cholesterol 320mg/dl, and LDL-cholesterol 245mg/dl), yet cholestanol level was normal. A examination of CTX gene mutation at hot spots revealed no mutation. Her mother and two siblings also had hypertrophy of Achilles tendons as well as type IIa hypercholesterolemia. In addition, the one sibling showed mild ataxia of lower limbs, respectively. This report suggests a possible link between familial type IIa hypercholesterolemia and cerebellar degeneration syndrome clinically mimicking CTX.

Original languageEnglish
Pages (from-to)222-226
Number of pages5
JournalClinical Neurology
Volume40
Issue number3
Publication statusPublished - Mar 1 2000

All Science Journal Classification (ASJC) codes

  • Clinical Neurology

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    Sakae, N., Taniwaki, T., Arakawa, K., Yamada, T., & Kira, J-I. (2000). A case of familial type IIa hypercholesterolemia with the clinical features similar to cerebrotendinous xanthomatosis. Clinical Neurology, 40(3), 222-226.