Detailed Instructions: In this task, you will be given a single sentence or a set of sentences. You have to recognize the name of the disorder or disease. Disease is a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury. Although there might be several correct answers, you need to write one of them.
Q:  In two of them , the MPO - ANCA titres transiently increased to 12 . 8 and 15 . 0 U / ml , respectively , despite continued PTU therapy , but no vasculitic disorders developed .
A:
vasculitic disorders