A Unique Surgical Case of Ancient Calcified Intravascular Papillary Endothelial Hyperplasia in the Tibia with Knee Joint Osteoarthritis oleh Hironori Kitajima, Akihiro Shioya, Rie Kadoguchi, Jia Han, Hinako Sawano, Katsutaka Yonezawa, Yoshiaki Shimizu, Kentaro Hiromura, Mitsuteru Yokoyama, Takayuki Nojima, Sohsuke Yamada