Publication: Early diagnosed cerebrotendinous xanthomatosis patients: clinical, neuroradiological characteristics and therapy results of a single center from Turkey
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2019-09-01
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Zubarioglu, Tanyel
Kiykim, Ertugrul
YEŞİL, GÖZDE
Demircioglu, Duhan
Cansever, Mehmet Serif
Yalcinkaya, Cengiz
Aktuglu-Zeybek, Cigdem
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Abstract
Cerebrotendinous xanthomatosis (CTX) is a lipid storage disorder caused by defective sterol 27-hydroxylase activity. In spite of subtle clinical signs beginning from childhood, CTX is generally diagnosed lately. The aim of this study is to evaluate clinical, neuroradiological findings and therapy responses of pediatric CTX patients and raise awareness to early features of disease. Patients who were molecularly diagnosed as CTX before 18 years of age were included in study. Clinical, epidemiological, radiological and genotypic features of patients and chenodeoxycholic acid (CDCA) therapy responses were reviewed retrospectively. Six patients were enrolled in the study. The mean age of diagnosis was 11.1 +/- 4.5 years. Apart from previous studies, predominance of cerebellar signs over pyramidal signs, peripheral neuropathy with demyelinating neuropathy in majority of patients and pathological brain imaging findings despite young ages of patients were observed. Intention tremor was the consisting finding of all patients. Optic disc drusen was initially reported in one patient. Skeletal system involvement as coarse extremities, deformities and early osteoporosis was recognized in four patients. CDCA therapy improved or at least stabilized neurological functions in all patients. This study is the first CTX series from Turkey and performed among only in early diagnosed patients with a therapy follow-up contrary to limited data in the literature. We suggest that, awareness of intention tremor and ataxic gait in addition to mental retardation, peripheral neuropathy and early osteoporosis can be suspicious for CTX and lead diagnosis. Early treatment can provide stability and may also ameliorate existing neurological findings.
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Zubarioglu T., Kiykim E., YEŞİL G., Demircioglu D., Cansever M. S. , Yalcinkaya C., Aktuglu-Zeybek C., -Early diagnosed cerebrotendinous xanthomatosis patients: clinical, neuroradiological characteristics and therapy results of a single center from Turkey-, ACTA NEUROLOGICA BELGICA, cilt.119, ss.343-350, 2019