Leng J

BACKGROUND: Spontaneous ovarian endometrioma rupture typically presents with acute abdominal pain, a condition often complicated by tissue edema and pelvic adhesions that increase surgical difficulty. This study aims to evaluate the impact …

Endometriosis is a chronic estrogen-dependent disorder affecting up to 10% of women of reproductive age, and the absence of reliable noninvasive diagnostic tools contributes to delayed diagnosis and disease progression. To identify potentia…

OBJECTIVE: To investigate the clinical features of bladder endometriosis and factors associated with urinary symptoms, pregnancy outcomes, and long-term effects of symptom relief and recurrence. DESIGN: A single-center retrospective cohort…

BACKGROUND: Rectal endometriosis is a complex condition requiring multidisciplinary treatment. Accurate preoperative assessment is critical for selecting the appropriate surgical technique, with transvaginal ultrasound (TVS) and endorectal …

BACKGROUND: Endometriosis is a common, chronic, estrogen-dependent gynecological disorder that significantly affects patients' quality of life. However, the disease burden and its trends may be undergoing significant changes, and comprehens…

We present the case of a 39-year-old Chinese woman who presented with a palpable mass in her abdominal wall and pelvic cavity 9 years after undergoing laparoscopic myomectomy. Six abdominal wall fibroids, 18 intramural fibroids, 1 posterior…

Endometriosis is a chronic condition with limited therapeutic options. The molecular aberrations promoting ectopic attachment and interactions with the local microenvironment sustaining lesion growth have been unclear, prohibiting developme…

BackgroundAlcohol use is a major risk factor for pancreatitis and global mortality. Despite its impact, comprehensive analyses of the burden across regions and sociodemographic strata remain scarce. This study examines global trends (1990-2…

OBJECTIVE: To summarize evidence on the efficacy and safety of the levonorgestrel-releasing intrauterine system (LNG-IUS) in managing adenomyosis (AM), both as a monotherapy and in combination with other therapies. METHODS: We searched Med…

RESEARCH QUESTION: Are there correlations between the biological expression of steroid receptors and the extent of fibrosis in adenomyotic lesions, and the treatment effectiveness of the levonorgestrel-releasing intrauterine system (LNG-IUS…

Chenyu Zhang,1 Yi Dai,1 Junji Zhang,1 Xiaoyan Li,1 Shuangzheng Jia,2 Jinghua Shi,1,* Jinhua Leng1,* 1Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sc…

OBJECTIVE: This study aimed to explore the distribution of nerve fibers in abdominal wall endometriosis (AWE) and discern their association with pain. METHODS: A retrospective case-control study was conducted. The cases comprised 30 patien…

PURPOSE: We aimed to examine the clinical characteristics of patients with ovarian endometriosis (OMA) who were diagnosed with recurrent pain after laparoscopic surgery in an 8- to 12- year postoperative follow-up. METHODS: We retrospectiv…

BACKGROUND: The objective of our study was to investigate the risk factors for a decrease in ovarian reserve in patients with endometriomas after standardized laparoscopic procedures and evaluation to provide corresponding clinical guidance…

Endometriosis and adenomyosis are two similar gynecological diseases that are characterized by ectopic implantation and the growth of the endometrial tissue. Previous studies have reported that they share a common pathophysiology in some re…

Importance: Chronic pelvic pain (CPP) is the main sequela of pelvic inflammatory disease (PID), with no established treatment. ZY5301 tablets, an effective part preparation extracted from Ajuga decumbens Thunb. (jingucao), are being tested …

BACKGROUND: The aim of the study is to investigate the proportion and clinical features of previous spontaneously ruptured ovarian endometrioma among women who underwent elective surgery for endometrioma. METHODS: This retrospective study …

The purpose of this study was to implore the association among clinical features, long-term fertility outcomes and the anatomical location of adenomyosis identified by ultrasound. We collected data of non-pregnant patients between 20 and 40…

INTRODUCTION: This phase 3, randomized, open-label, active-controlled, multicenter study investigated the efficacy of triptorelin pamoate prolonged-release (PR) 3-month in Chinese patients with endometriosis by demonstrating the noninferior…

BACKGROUND: To examine and compare the differences in clinical characteristics and long-term postoperative outcomes of ovarian endometriomas (OMA) patients with and without dysmenorrhea, including data from at least 8 years of postoperative…

AimThis systematic review aimed to assess the efficacy and safety of Drospirenone and Ethinylestradiol Tablets (II) in the treatment of dysmenorrhea.MethodsElectronic databases, namely PubMed, Embase, Cochrane Controlled Register of Trials …

Background: Adenomyosis (AM) is a common benign gynaecologic disease characterized by dysmenorrhea and heavy menstrual bleeding and requires for long-term management. Levonorgestrel - releasing Intrauterine System (LNG-IUS) is a long-acting…

OBJECTIVE: To review the use of oral gonadotropin-releasing hormone (GnRH) antagonists and synthesize their efficacy and safety parameters for the treatment of endometriosis-associated pain. DESIGN: Systematic review and network meta-analy…