Female intravesical foreign body penetrating the bladder wall: a rare case of traditional Asian hair stick kanzashiMasahiro Arai, MD; Hideki Takeshita, MD, PhD; Wataru Hirata, MD; Kojiro Tachibana, MD; Shoichi Nagamoto, MD; Sachi Kitayama, MD, PhD; Akihiro Yano, MD, PhD, Yohei Okada, MD, PhD, Satoru Kawakami, MD, PhDDepartment of Urology, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama, Japan