HYPERTROPHIC CRANIAL PACHYMENINGITIS IN MPO-ANCA-RELATED VASCULITIS: A CASE REPORT AND LITERATURE REVIEW KOICHI ASAHI, JUN ASAI, HIROSHI KIMURA, YOSHIHIRO TANI, Mitsuko Nakayama, Yasunori Hayashi, T. Watanabe, K. Tanaka, K. Watanabe • 2013