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The diagnosis of propylthiouracil ( PTU ) - associated vasculitis was made by observation of consistent clinical features , the detection of elevated ANA and ANCA in the blood , and the observed clinical resolution of symptoms following withdrawal of PTU .
 Chemical: propylthiouracil; Chemical: PTU; Disease: vasculitis; Chemical: PTU
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: propylthiouracil; Chemical: PTU; Disease: vasculitis; Chemical: PTU