Leng JH

BACKGROUND: Endometriosis (EM) is a benign gynecologic disease predominantly found in women of reproductive age. However, its pathogenesis is still poorly understood. Our experiment was designed to establish a stable and reliable cultural e…

OBJECTIVE: To investigate the characteristics and trends of surgical management on endometriosis in Peking Union Medical College Hospital From 1983 to 2009. METHODS: The medical documents of patients with endometriosis diagnosed by surgical…

OBJECTIVE: To investigate the characteristics of the anatomical distribution of posterior deeply infiltrating endometriosis (PDIE) lesions, pain symptoms and effects of laparoscopic surgery. METHODS: Clinical data of 176 PDIE patients with …

OBJECTIVE: To investigate the relationship between the distribution of nerve fibers in multiple endometriosis lesions and pelvic pain. METHODS: From Sept. 2007 to Sept. 2008, 120 endometriosis patients treated in Peking Union Hospital were …

OBJECTIVE: To establish the diagnostic model for endometriosis by screening the plasma biomarkers of endometriosis using surface enhanced laser desorption/ionization time of flight mass spectrometry (SELDI-TOF-MS)coupled with bioinformatics…

OBJECTIVE: To explore the magnetic resonance (MR) characteristics of endometriosis. METHODS: The clinical and MR data of 33 patients with endometriosis were retrospectively analyzed. RESULTS: MR manifestations of endometriosis included endo…

Thrombospondin-1 messenger RNA and protein levels in cultured human endometrial stromal cells (ESCs) treated with 17-beta estradiol (10 nM) were reduced by 47.6% (+/-6.5% SD; P < 0.05) and 49.0% (+/-8.6%; P < 0.05) compared with untreated c…

OBJECTIVE: To investigate the relationship between degree of endometrioma adhesions and clinical feature, surgical treatment and postoperative recurrence. METHODS: From Jan 2003 to Mar 2008, 662 patients with endometrioma undergoing laparos…

OBJECTIVE: To set up the proteomic protein profiling of adenomyotic tissue and normal uterine muscle and identify the abnormally expressed proteins in adenomyotic tissue. METHODS: Samples of adenomyotic tissue (adenomyosis group) and age-ma…

OBJECTIVE: To investigate the diagnosis and treatment of perineal endometriosis. METHODS: The clinical date of 30 patients with perineal endometriosis, aged 32.3 (23 approximately 44), who were admitted 1983 - 2006, operated on, and follow…

OBJECTIVE: To compare the clinical characteristics of three subcategories of laparoscopic hysterectomy: total laparoscopic hysterectomy (TLH) and two subcategories of laparoscopic-assisted vaginal hysterectomy (LAVH): LAVHs and LAVHb. METHO…

OBJECTIVE: To investigate the apoptosis-related mechanisms of levenorgestrel-releasing intrauterine system (LNG-IUS), oral medroxyprogesterone (MPA), and injective gonadotrophic hormone releasing hormone agonist (GnRHa) on eutopic endometri…

OBJECTIVE: To investigate the effects of progesterone and progestin on the expressions of regulated on activation, normal T cell expressed and secreted (RANTES) in eutopic endometrium from patients with endometriosis. METHODS: We collected …

OBJECTIVE: To study the relationship between pain symptoms and the clinico-pathological features of pelvic endometriosis (EM). METHODS: One hundred thirty patients with laparoscopic diagnosis of EM were studied retrospectively and the relat…

OBJECTIVE: To establish the chick embryo chorioallantioc membrane (CAM) as a model for in vivo research on endometriosis. The model was used to investigate the mechanism of anti-vascular endothelial growth factor (VEGF) antibody for treatme…

OBJECTIVE: To observe the effects of levonorgestrel-releasing intrauterine system (LNG-IUS) in treatment of pain associated with endometriosis (EM) and adenomyosis (AM), and in prevention of disease recurrence. METHODS: Thirty-three cases o…

OBJECTIVE: To study the techniques to repair the fascia layer of abdominal wall after the resection of abdominal wall endometriosis (AWE). METHODS: Fifty-five AWE patients aged 28 approximately 38 underwent resection of the lesion. After th…

OBJECTIVE: To determine the characteristics of anatomical distribution of pelvic endometriosis and the correlation between visual and histologic findings of endometriosis at laparoscopy. METHODS: A prospective study of 62 patients undergoin…

OBJECTIVE: To determine the correlative factors with recurrence of endometriosis after conservative surgery. METHODS: A cohort study was performed on 285 patients who had a minimum of 36 months of follow-up after conservative surgery for en…

OBJECTIVE: To study the localization and expression of the vascular endothelial growth factor receptors (VEGFR) Fms-like tyrosine kinase (Flt-1) and kinase insert domain-containing receptor (KDR) in human ectopic and eutopic endometrium of …

OBJECTIVE: To detect the concentrations of prostaglandin E2 (PGE2) and bcl-2 in sera and peritoneal fluid of women with endometriosis. METHODS: The study group included 36 samples of peritoneal fluid and serum respectively from patients wit…

OBJECTIVE: To analyze the clinical characteristics, and treatment, recurrence-related factors of abdominal wall endometriomas (AWE). METHODS: Fifty-seven cases of AWE treated at Peking Union Medical College Hospital from 1983 to 2002 were r…

OBJECTIVE: The aim of this study was to demonstrate the temporal and spatial expression of estrogen receptor (ER), 17beta-hydroxysteroid dehydrogenase (17beta-HSD) in uterine endometria and the endometrial-myometrial interface (EMI) of aden…