MPO-ANCA Positive Association Hypertrophic Cranial Pachymeningitis with Extensive Pulmonary Arterial Thrombosis：A Case Report and Literature Review Journal of Jianghan University (Natural Science Edition) . 2021, (5): 59 -64 .  DOI: 10.16389/j.cnki.cn42-1737/n.2021.05.009