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A novel C to A mutation in the sterol 27 - hydroxylase gene ( CYP27 ) was identified by sequencing amplified CYP27 gene products from a patient with cerebrotendinous xanthomatosis ( CTX ) .
 Disease: cerebrotendinous xanthomatosis; Disease: CTX
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: cerebrotendinous xanthomatosis; Disease: CTX