View larger version (252K)

Figure 9b.  Hysterosonographic appearance of asymmetric endometrial thickening. (a) Longitudinal hysterosonogram shows a focus of endometrial thickening along the anterior aspect of the endometrium (arrow). (b) Longitudinal hysterosonogram shows a focus of endometrial thickening near the fundal and posterior aspect of the endometrial cavity (arrow).