Fig. 1. Image findings of case 6 Fig. 1. Image findings of case 6. (A) Transvaginal ultrasonography showed a multicystic mass measuring 7.8×5.1 cm in the posterior uterine wall with abundant blood flow, suspected gestational trophoblastic neoplasia (GTN). (B) Abdomen-pelvis computed tomography. (C) Pelvis magnetic resonance imaging showed about 7.2 cm sized mass with internal vascular structure in uterus. (D) Positron emission tomography-computed tomography. Fig. 1. Image findings of case 6. (A) Transvaginal ultrasonography showed a multicystic mass measuring 7.8×5.1 cm in the posterior uterine wall with abundant blood flow, suspected gestational trophoblastic neoplasia (GTN). (B) Abdomen-pelvis computed tomography. (C) Pelvis magnetic resonance imaging … Obstet Gynecol Sci. 2018 May;61(3):319-327. https://doi.org/10.5468/ogs.2018.61.3.319