Figure 1.
Pelvic MRI. red arrows (A) Preoperative TIWI Cor: annular enhancing mass in the posterior vaginal wall, transverse diameter of about 3.2 3.8 cm, irregular borders, lobulated, seems to see burrs; (B) Preoperative T1 WI Sag: transverse diameter of about 4.0 cm; (C) Postoperative T1W1 Cor: caudal bone is absent, and the mass is normally altered after resection; (D) Postoperative TI WI Sag.
