Two Cases of Ectopic Pregnancy Mimicking Gestational Trophoblastic Disease

Figure 2

Serial images before and after medical treatment in case 2, a cesarean scar pregnancy, are shown. Transition of the serum hCG β level is shown by a graph of an exponential function. The lesion did not decrease in size and even increased despite a decrease in the serum hCG level. (a) TV-USG. (b) T2-weighted MR image. (c) T1-weighted MR image. (d) Enhanced MR image.