2010 to January 2020. They were divided into 6 groups according to the gestational age on the day of the ultrasound exam, 28-41days (n = 1), 42-55days (n = 18), 56-69days (n = 32), 70-83days(n = 33), 84-97days(n = 38). We recorded the clinical data (age, gestational age, the serum hCG level before evacuation), and the sonographic features, including uterine volume, embryo sac (transverse diameter, thickness of villi, the internal sac wall), the diameter of yolk sac, embryo (size and heart beat), vesicular sign (size and colour Doppler signal), and lutein ovarian cyst. Results: The mean gestational age of all PHM cases at ultrasound was 78 (range,40-164) days. 137/140 cases (97.9%) presented the embryo sac. We classified into four types: Type 0 (smooth internal wall), Type 1(slightly irregular internal wall), Type 3 (low tension but ellipsoid-shape sac, or one chorionic bump), and Type 4 (non-ellipsoid-shape embryo sac or ≥ 2 Chorionic bumps). The most common of the four types was Type 1 accounting for 51% (70/137), successively Type 2 (26%), Type 0 (14%) and Type 3 (9%). An intact embryo sac with irregular inner wall or chorionic bump provided the important clues to suspect PHM. There was no significant difference in the distribution of four types in the six time-based groups(p > 0.05). Conclusions: This study reveals the US characteristics of PHM, especially in the first trimester. Small morphologic changes in the internal wall of the embryo sac might be valuable for PHM diagnosis. EP47.05The clinical and ultrasound characteristics of isolated fallopian tube torsion in pregnancy
due to dysmenorrhea, dyschezia, dyspareunia and pelvic chronic pain (8 in 10). At physical examination, a 2/3 vaginal length septum was detected. The three-dimensional (3D) gynecological ultrasound described a bicorporeus uterine malformation with a complete septum with communication at the isthmic level. It was continuous with a cervical and vaginal complete septum. A rectovaginal endometriosis nodule with 1.2x1.6 centimetres at 8.5 centimetres from the anal merge was described in the 2D ultrasound. The magnetic resonance reported two distinct uterine cavities separated by a fibromuscular septum from the level of the uterine fundus to the cervix and also the communication between the two endometrial cavities of probable iatrogenic cause at the level of isthmus. Two vaginal cavities could also be seen, visibly separated by a longitudinal septum in all its extension. A nodule of 1.2x1.6 centimetres at the uterine torus contacting with the rectal anterior wall was compromising the posterior vaginal fornix. The patient will undergo hysteroscopic septotomy, followed by laparoscopic excision of the rectovaginal endometriotic lesion. 3D ultrasound is very useful when trying to identify and define the length of a uterine septum. Here we show another good example of how the 3D gynecological ultrasound performed as a valuable diagnostic tool in these circumstances, with similar results to the magnetic resonance.
for a lipoma, or a cyst of the Bartholin gland. The treatment is conservative surgery. When there are forms of passage between angiomyofibroblastoma and aggressive angiomyxoma, the lesion should be treated as an aggressive angiomyxoma because of the risk of an anarchic local recurrence. If the transformation is rather malignant, the behaviour is rather oncological and multidisciplinary. VP05.27 Ovarian endometriosis detection by ultrasound
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