We conducted MDCT whereby CO2 gas was infused in the uterine cavity ( CO2-pelvic CT), and examined the utility for diagnosing cancer of uterine body cancer, submucosal myoma or other uterine endometrial disease filling the uterine cavity. And we aimed to create an endoscopic image of the uterine cavity , and to evaluate its utility.

Using 8-detector multislice CT, images were obtained at both arterial and venous phases under a single breath-hold. There were 5 cases of uterine body cancer , 24 cases of submucosal myoma and 8 cases of endometrial polyp. MIP and MPR image processing was conduted after the images wrer taken, and all cases CT uteroscopy were performed.
In the 5 cases an accurate diagnosis was obtained for advanced stage classification of the uterine body cancer . And in the 22 cases (91.7%）of submucosal myoma and 8cases (100%) of endometrial polyp , we identified the area of attachment to the muscular tunic by CT endoscopy.We were able to accurately classify the advanced stages of uterine body cancer. The utility of this is considered extremely high. It is also thought to be of some help during endoscopic surgical operation on submucosal myoma occupying the uterine cavity. We have not seen any previous reports of uterine CO2-pelvic CT and CT uteroscopy, so this reports is the first of its kind.