Descriptive epidemiology of endometrial hyperplasia in patients with abnormal uterine bleeding

PURPOSE OF INVESTIGATION: To evaluate the prevalence and epidemiologic characteristics of endometrial hyperplasias in women with abnormal uterine bleeding. METHODS: We performed a retrospective analysis on data gained from 294 patients with histologically documented endometrial hyperplasia (with or without atypia), detected among 1,469 women who underwent fractional dilatation and curettage in our department due to abnormal uterine bleeding from 1986 to 1998. Epidemiologic characteristics were abstracted from the patients' medical charts. RESULTS: 294/1469 women were found with endometrial hyperplasia (258 without atypia and 36 atypical hyperplasias). Thirty-six of them were under 40 years of age. Four of the detected endometrial hyperplasias progressed to endometrial carcinoma (one with simple hyperplasia, two with complex and one with atypical hyperplasia). Obesity and hypertension were justified as risk factors in our study population. CONCLUSIONS: The prevalence of endometrial hyperplasia according to our data was 20%. There were statistically significant differences in most epidemiologic parameters between the two types of hyperplasia. The progression of four endometrial hyperplasias to endometrial adenocarcinoma indicates the need for intense follow-up even in cases where patients undergo conservative therapy.     

Resectoscopic surgery in women with abnormal uterine bleeding and nonatypical endometrial hyperplasia

STUDY OBJECTIVE: To evaluate the role of resectoscopic surgery in the diagnosis and treatment of women with abnormal uterine bleeding and endometrial hyperplasia without atypia. DESIGN: Retrospective analysis (Canadian Task Force classification II-2). SETTING: University-affiliated teaching hospital. PATIENTS: Twenty-five women with simple and seven with complex hyperplasia. INTERVENTION: Hysteroscopic endometrial ablation. MEASUREMENTS AND MAIN RESULTS: In patients with simple hyperplasia, average age, parity, body mass index, and mean arterial pressure were 53.2 years, 2.4 pregnancies, 30 kg/m2, and 99.5 mm Hg, respectively; in those with complex hyperplasia corresponding figures were 48 years, 2 pregnancies, 36 kg/m2, and 100 mm Hg. Nineteen of 32 women had postmenopausal bleeding, 9 of whom were taking combined hormone replacement therapy. Two had subsequent hysterectomies, one for pain and the other for incomplete resection due to an enlarged uterus. Resection could not be completed in one morbidly obese woman. One patient died from heart disease. During the follow-up of 1 to 8 years (mean 4 yrs) all patients remained amenorrheic with no evidence of recurrent disease or progression to cancer. CONCLUSION: Resectoscopic surgery by experienced hysteroscopists may be effective therapy for endometrial hyperplasia without atypia, especially in women at high risk for medical therapy or hysterectomy. Patient surveillance is mandatory for early detection and management of recurrent disease and progression to cancer.     

Hysteroscopy with selective endometrial sampling compared with D&C for abnormal uterine bleeding: the value of a negative hysteroscopic view

Hysteroscopic evaluation of 187 patients with abnormal uterine bleeding is reviewed. One hundred fifty-one patients had recent tissue sampling by a blind method. The hysteroscope with selected endometrial sampling was more accurate in 9.1% and less accurate in only 0.5% of patients. The specificity of both techniques with selected biopsies was 100%, but the sensitivity of hysteroscopy was greater (98%) than that of D&C (65%). Endometritis was the only condition missed by hysteroscopic viewing and selected biopsy. Those lesions missed by blind tissue sampling were uterine fibroids and endometrial polyps. Among 91 patients whose hysteroscopic view was negative, an abnormality was identified by tissue sampling in only one patient with endometritis.     

Management of abnormal uterine bleeding and the pathology of endometrial hyperplasia

There are no screening tests for endometrial carcinoma, and patients typically present with abnormal uterine bleeding. This article discusses the pathophysiology and clinical work-up of abnormal uterine bleeding, and risk factors for endometrial carcinoma. Atypical complex hyperplasia and the more recently defined endometrial intraepithelial neoplasia are well recognized as precancers. Evolving knowledge of their genetic alterations provides the opportunity to develop molecular markers, so that endometrial diseases may be diagnosed at the precancerous or early invasive stage. Emerging molecular markers also provide the opportunity to develop clinically useful screening tests for the most common malignancy of the female genital tract.     

Resectoscopic surgery in 10 women with abnormal uterine bleeding and atypical endometrial hyperplasia

STUDY OBJECTIVE: To evaluate the role of the resectoscope in the diagnosis and treatment of women with abnormal uterine bleeding (AUB) and atypical endometrial hyperplasia. DESIGN: Retrospective case series (Canadian Task Force classification III-3). SETTING: University-affiliated teaching hospital. PATIENTS: Ten women. Intervention. Hysteroscopic evaluation after preoperative endometrial biopsy indicated simple hyperplasia without atypia, complex hyperplasia with atypia, or inadequate specimen. MEASUREMENTS AND MAIN RESULTS: Atypical hyperplasia was confirmed in eight patients after total endomyometrial resection. Hysterectomy was offered to all patients but accepted by only two: one for bilateral ovarian serous cystadenomas and the second for a granulosa cell ovarian tumor. No residual endometrium was found in hysterectomy specimens. Seven women were amenorrheic and well 1 to 9 years after resection. An additional patient with amenorrhea died from colon cancer 2 years after resection. CONCLUSION: Resectoscopic surgery confirmed or detected atypical endometrial hyperplasia in eight women and excluded it in two patients with AUB and a previous diagnosis of simple hyperplasia, atypical hyperplasia, or inadequate specimen. Skillful resectoscopic surgery may be an alternative to hysterectomy in selected patients with atypical hyperplasia who are compliant with regular and long-term follow-up.     

Risk factors for endometrial hyperplasia and cancer among women with abnormal bleeding

OBJECTIVE: To identify independent risk factors for endometrial neoplasia in women with abnormal perimenopausal or postmenopausal bleeding and to use those factors to develop and test a predictive model. METHODS: We conducted a case-control study of women with abnormal perimenopausal or postmenopausal bleeding who had endometrial samplings; cases had endometrial cancer or complex hyperplasia and controls had benign endometrial histologies. Multivariate logistic regression models identified factors associated with risks of endometrial neoplasia. The predictive abilities of our models and a published model were assessed using the area under receiver operating characteristic (ROC) curves, for which an area of 1.0 indicated perfect positive predictive ability and an area of 0.5 was expected by chance. RESULTS: There were 57 cases of endometrial hyperplasia or cancer and 137 controls. Parity was related inversely (odds ratio [OR] 0.70; 95% confidence interval [CI] 0.56, 0.88; P = .002) and weight directly (OR 1.02 per kg; 95% CI 1.01, 1.04; P = .018) to the risk of endometrial neoplasia. Age (OR 1.04 per year; 95% CI 1.00, 1.08; P = .06) and diabetes (OR 3.50; 95% CI 0.99, 12.33; P = .052) were significant marginally. The area under the ROC curve for our model was 0.75, indicating moderate predictive ability; the area under the ROC curve for the published model was lower at 0.66. CONCLUSION: Current clinical predictive models based on case-control studies do not have sufficient predictive ability to determine if women with abnormal perimenopausal or postmenopausal bleeding should have diagnostic testing.     

Diagnostic evaluation of Karman endometrial aspiration in patients with abnormal uterine bleeding

AIM: To assess sensitivity and specificity of Karman aspiration in the diagnosis of abnormal endometrium compared with the final diagnosis and evaluate tissue adequacy obtained by Karman aspiration. METHODS: The study group were women who presented with abnormal uterine bleeding to Songklanagarind Hospital between August 2003 and July 2004 and who underwent Karman aspiration prior to conventional curettage. The final diagnosis was defined as the most severe histopathology from either Karman aspiration or conventional curettage. Abnormal endometrium included inflammation, polyp, hyperplasia and malignant changes. RESULTS: Two hundred and twenty-six women were assessed. Endometrial aspiration showed a sensitivity of 89.6% and specificity 100.0% in diagnosis of abnormal endometrium. Abnormal endometrium was detected in 58 women. Of 11 women diagnosed with endometrial cancer, only one case was undetected by Karman aspiration due to a failure to create negative pressure in the uterus. Endometrial aspiration yielded adequate tissue in 86.7%. CONCLUSION: Karman endometrial aspiration is an accurate and easy procedure, and should be considered in the initial evaluation of abnormal uterine bleeding.     

Polypectomy in premenopausal women with abnormal uterine bleeding: effectiveness of hysteroscopic removal

STUDY OBJECTIVE: To estimate the effectiveness of hysteroscopic polypectomy in premenopausal women with abnormal uterine bleeding and to identify prognostic factors for persistence or recurrence of symptoms after polypectomy. DESIGN: Retrospective study (Canadian Task Force classification II-3). SETTING: University teaching hospital. PATIENTS: Premenopausal women with abnormal uterine bleeding. INTERVENTION: Hysteroscopic polypectomy, regardless of whether combined with endometrial ablation or insertion of a levonorgestrel-releasing intrauterine device. MEASUREMENTS AND MAIN RESULTS: Seventy-eight consecutive patients met the inclusion criteria and were followed over time. Data were retrieved from medical records or from additional questionnaires sent to the patients. Failure of treatment was defined as persistence or recurrence of abnormal uterine bleeding after polypectomy, requiring further treatment. The mean age was 44.2 years (SD 5.2, 95% CI 33.9-54.4 years). Intervention-free survival after polypectomy, as calculated by Kaplan-Meier survival analysis, was 41.1% (SE 8.3%, 95% CI 24.8%-57.4%) after 4 years for patients who underwent only hysteroscopic polypectomy and 54.7% (SE 13.6%, 95% CI 28.0%-81.4%) for patients who underwent a polypectomy combined with endometrial ablation or insertion of a levonorgestrel-releasing intrauterine device (p = .08). Cox regression analyses revealed no statistically significant predictors for persistence or recurrence of symptoms after polypectomy. CONCLUSION: Nearly 60% of patients required further treatment for persistence or recurrence of abnormal uterine bleeding 4 years after hysteroscopic polypectomy. Although not significant, outcome of treatment tended to improve by combining polypectomy with either an endometrial ablation or insertion of a levonorgestrel-releasing intrauterine device.     

The clinical relevance of hysteroscopic polypectomy in premenopausal women with abnormal uterine bleeding

This study assessed the efficacy of hysteroscopic polyp removal in the management of abnormal uterine bleeding (AUB) of premenopausal patients. The monthly menstrual blood loss, measured semi-objectively by the pictorial blood loss assessment chart (PBAC) and patients satisfaction were recorded prospectively preoperatively and postoperatively. Twenty-one patients were included. Median monthly PBAC-score before treatment was 288 (range 142–670) and 6 months after polyp removal 155 (range 39–560). It was concluded that hysteroscopic polyp removal in premenopausal women with AUB reduces the monthly blood loss significantly and has a high satisfaction rate on the short term.     

Transcervical hysteroscopic myomectomy: long-term effects on abnormal uterine bleeding

OBJECTIVE: To evaluate the effectiveness of hysteroscopic myomectomy in the treatment of symptomatic submucous leiomyomas and long-term outcomes. STUDY DESIGN: A total of 107 patients with abnormal uterine bleeding (n = 84) and/or infertility (n = 23) were submitted to hysteroscopic resection. Main outcome measures: control of menorrhagia and reproductive outcome. RESULTS: Abnormal uterine bleeding was controlled in 68 out of 84 patients with one procedure; 15 needed a second procedure for incomplete resection. Five patients had menorrhagic pathology relapse. Among 23 patients with associated infertility pregnancy was achieved in eight cases, seven went to term and one miscarried; one patient needed a second procedure. The mean follow-up was 36 months (24-60). Three patients were lost at follow-up. CONCLUSIONS: Transcervical hysteroscopic resection of submucous myomas is effective for control of abnormal uterine bleeding. Further studies are needed to define the value of such procedure in the treatment of infertility. Short and long-term results are strictly correlated to the possibility of obtaining a complete resection, which is conditioned by degree (0, 1, 2) and number of myomas.     

宫腔镜电切术治疗异常子宫出血的研究

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宫腔镜电切术治疗异常子宫出血36例临床分析

目的 探讨宫腔镜电工术治疗异常子宫出血手术的疗效及影响因素。方法 应用连续灌流式宫腔镜,对３６例异常子宫出血患者进行宫腔镜电切手术治疗,其中９例为子宫内膜切除、、１６例为肌瘤及部分内膜切除、９例为肌瘤切除、２例为息肉及部分内膜切除。结果 术中、术后并发症发生率为８．３％。术后随访４～１２月者３２例,月经改善率８２．４％,其中闭经５．９％,月经量减少５８．８％,月经量正常１７．６％,８例痛经中６例改     

Histopathological findings of endometrial specimens in abnormal uterine bleeding

Purpose

The aim of this study was to assess the frequency of different histopathological findings obtained from dilatation and curettage (D&C) specimens in patients with abnormal uterine bleeding (AUB).

Methods

In a retrospective review of 591 specimens, the included subjects were all women with AUB who underwent D&C between 2002 and 2006 in Be’sat Hospital, Tehran, Iran. The pathological diagnoses were analyzed in four groups from normal to malignant endometrium. The pathological groups were evaluated for patients’ characteristics including demographic data and medical history.

Results

The majority of patients (61.6 %) were in the 41–50 year age group. Totally, 81.4 % of patients had normal pathology. The disordered proliferative endometrium/polyps, hyperplasia, and malignant pathology were found in 15.4, 2.5, and 0.7 % of specimens, respectively. The abnormal pathologies were seen more among patients with postmenopausal status, nulli-/primigravid women, and those with hypertension, diabetes, hypothyroidism, and polycystic ovary syndrome.

Conclusions

The proliferative endometrium and secretory endometrium were the most common histopathological observations in AUB patients in our region, and except normal endometrium, disordered proliferative endometrium was the most common cause of AUB.     

Risk factors associated with endometrial polyps in abnormal uterine bleeding.

OBJECTIVES: To evaluate the significance of various risk factors associated with endometrial polyps in women with abnormal uterine bleeding. METHODS: A prospective cohort study of 248 consecutive patients evaluated for abnormal uterine bleeding in a Rapid Access Ambulatory Diagnostic (RAAD) clinic was carried out from 1996 to 1997. Endometrial polyps were diagnosed using outpatient hysteroscopy and their histological nature was confirmed in all patients by performing inpatient polypectomy. Multivariate logistic regression modeling was used to evaluate the effects of age, parity, menopausal status, hormone replacement therapy and tamoxifen treatment on the occurrence of polyps. RESULTS: In an analysis adjusted for the effects of age, parity and menopausal status, tamoxifen treatment was associated with endometrial polyps (adjusted odds ratio 11.21, 95% confidence interval 2.70-46.46, P=0.0009) but hormone replacement therapy was not (adjusted odds ratio 1.48, 95% confidence interval 0.68-3.20, P=0.32). CONCLUSION: Our study confirmed that tamoxifen is associated with endometrial polyps. However, it rejects the hypothesis that hormone replacement therapy is a risk factor for endometrial polyps.     

Instrumentation and distention media for the hysteroscopic treatment of abnormal uterine bleeding

New hysteroscopes and resectoscopes with continuous-flow designs have greatly facilitated diagnostic and therapeutic hysteroscopy. Saline is the ideal distending medium for hysteroscopic procedures in which mechanical or bipolar instruments are used; 5% mannitol may be the safest medium for resectoscopic surgery. Regardless of the medium chosen, careful fluid monitoring is essential.     

Hysteroscopic endometrial ablation as a treatment for abnormal uterine bleeding in patients with renal transplants

STUDY OBJECTIVE: To assess the effectiveness and safety of hysteroscopic endometrial ablation as a surgical management of abnormal uterine bleeding that develops in patients with renal transplants. DESIGN: Retrospective study (Canadian Task Force classification II-2). SETTING: Yonsei University Medical College, Severance Hospital. PATIENTS: Sixty-two women with abnormal uterine bleeding who had undergone renal transplantation. INTERVENTION: Hysteroscopic endometrial ablation. MEASUREMENTS AND MAIN RESULTS: Fifty-four out of 62 patients (87.0%) who had undergone hysteroscopic endometrial ablation reported decreased bleeding (95% CI: 0.76 to 0.94): amenorrhea in 25 (40.3%), spotting in 19 (30.6%), and eumenorrhea in 10 (16.1%). Mean follow-up duration was 6 months. No complications related to the procedure were reported. Levonorgestrel-releasing intrauterine systems (LNG-IUSs) were inserted into eight patients who experienced continuous bleeding, five of whom showed symptomatic improvement: spotting in three (4.9%) and eumenorrhea in two (3.2%). The three patients (4.9%) in whom the LNG-IUS had no effect had hysterectomies, and the resultant pathologic findings were two cases of adenomyosis and one case of simple endometrial hyperplasia without atypia. CONCLUSION: Hysteroscopic endometrial ablation as a surgical management of abnormal uterine bleeding that develops in patients with renal transplants is an effective and safe procedure.     

子宫内膜息肉与异常子宫出血的相关特点分析

目的探讨子宫内膜息肉患者中异常子宫出血的临床特点及相关因素。方法回顾性分析2005年7月至2010年10月间于北京妇产医院诊治子宫内膜息肉的890例患者的临床症状、术中及术后情况,根据月经状况、有无异常子宫出血情况分组,分析比较一般情况、息肉的大小（〈1cm、1~2cm、〉2cm）、个数（单发、多发）、部位（宫底、宫角、前壁、后壁、侧壁）与异常子宫出血的相关性。结果①育龄期和绝经期子宫内膜息肉患者中,异常子宫出血的发生率分别为62.6%和47.4%,两者比较差异有统计学意义（P〈0.05）;②按子宫内膜息肉的大小进行分组,育龄期患者中异常子宫出血的发生率依次为32.0%、58.6%和69.2%,绝经期依次为42.1%、43.7%和56.3%,差异均有统计学意义（P〈0.05）。单发息肉患者和多发息肉患者中异常子宫出血的发生率在绝经期分别为49.2%、39.3%,差异有统计学意义（P〈0.05）;③宫腔镜下子宫内膜息肉切除术在育龄期患者的缓解率（69.8%,322/461）与绝经期（94.5%,69/73）比较差异有统计学意义（P〈0.05）。在育龄期和绝经期患者中,异常子宫出血的术后缓解率在单发息肉和多发息肉中比较差异均有统计学意义（P〈0.05）,但在息肉的大小和息肉的部位间比较差异无统计学意义（P〉0.05）。结论在子宫内膜息肉患者中,育龄期发生异常子宫出血的机率较绝经期高,息肉越大,异常子宫出血的发生率越高,对于单发息肉,宫腔镜手术能更好地改善异常子宫出血情况。