Figure 8b. MR images of complete uterine septum. (a) Transverse oblique fast spin-echo T2-weighted image (7150/120) shows convex external uterine contour with upper myometrial segment (short arrow) and lower fibrous segment (long arrow) extending to external uterine os. (b) Transverse fast spin-echo T2-weighted image (6000/115) shows vertical septum extending to upper third of vagina (arrow). (Reprinted, with permission, from reference 43.)