• Su Zhen Jiang and Hong Xia Gong.
• Department of Gynaecology, Dongguan Songshan Lake Tungwah Hospital, Dongguan, China.
• Medicine (Baltimore). 2023 Jun 2; 102 (22): e33947e33947.

RationaleGestational trophoblastic neoplasia (GTN) refers to the hydatidiform mole tissue that invades the myometrium or even penetrates the uterine wall to the broad ligament or abdominal cavity, and a few have distant metastases through blood transport. According to the World Health Organization[1] 2020 (5th edition) classification lists an erosive hydatidiform mole as a borderline or biologically behavioral uncertain tumor, it continues to be clinically classified as a malignancy and combined with choriocarcinoma as a GTN. The clinical manifestations of GTN include amenorrhea, abnormal vaginal bleeding, and increased serum human chorionic gonadotropin level, which are also common clinical features of ectopic pregnancy. The diagnosis of typical GTN is not difficult. However, some patients with atypical clinical manifestations and a lack of specificity in their B-ultrasound images are easy to misdiagnose, especially when the lesions are located in special parts outside the uterus and lack specific imaging features.Patient ConcernsA 41-year-old woman who presented 3 months after having an abortion with severe abdominal pain that lasted 15 hours.DiagnosesCT showed massive blood accumulation in the abdominal cavity and the pelvic cavity. Uterine lesions? Transvaginal uterine ultrasound reveals: a right intrauterine mixed mass (approximately 83 * 66 mm mixed echo mass), a possible pregnancy, and a rupture pregnancy (right pregnancy). abdominal effusion (large) and clots, maximum front and rear diameters of 95 mm, pelvic effusion, and about 20 mm deep. HCG levels in the blood were 17,452 IU/L and hemoglobin levels were 81 g/L. Admission diagnosis: Abdominal pain investigation: ectopic pregnancy? Bleeding shock.InterventionsLaparoscopy and laparotomy followed by hysterectomy, treated by chemotherapy.OutcomesHysterectomy was required due to intraoperative hemostasis difficulties, and the patient lost her uterus forever.LessonsContinued reporting of these cases are important so that the gynecologists are aware about the possibility of ruptured invasive mole and it should be kept as a differential diagnosis in all the pregnant women presents with acute onset lower abdominal pain.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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