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 Table of Contents 
ORIGINAL ARTICLE
Year : 2019  |  Volume : 10  |  Issue : 1  |  Page : 29-32  

Analysis of prophylactic salpingo-oophorectomy at the time of hysterectomy for benign lesions


Department of Obstetrics and Gynecology, NKP Salve Institute of Medical Sciences and Research Centre, Nagpur, Maharashtra, India

Date of Web Publication29-Mar-2019

Correspondence Address:
Savita Ashutosh Somalwar
264, Bajaj Nagar, West High Court Road, Nagpur - 440 010, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jmh.JMH_70_18

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   Abstract 


Background: Prophylactic salpingo-oophorectomy refers to the removal of clinically normal ovaries at the time of hysterectomy for benign lesions, to reduce the risk of ovarian and breast cancer in future. This risk reduction holds true for high-risk women, i.e., those with strong family history of breast or/and ovarian cancer and those who carry germline mutations (BRCA-1 and BRCA-2). However, it is still one of the commonly performed surgeries in low-risk women and has fallen into controversy. It is said that the number needed to treat is 300. Aims and Objectives: The aim of the study was to analyze and understand the reasons behind women opting for prophylactic oophorectomy in spite of the available evidence. We also aimed to study the histopathology reports of the ovaries and tubes removed prophylactically. Material and Methods: This was a prospective study carried out at a tertiary care center which serves both rural and urban population. Of the 252 patients counseled, 86 patients who opted for prophylactic salpingo-oophorectomy were included in the study. A detailed history, clinical examination, relevant investigations (ultrasonography and CA 125 levels), indications for hysterectomy, reasons for prophylactic oophorectomy, intraoperative findings, and the histopathology findings were noted. Results: Main reasons for opting for prophylactic oophorectomy were lack of understanding and thus dependent on their treating doctor for the decision-making, fear of ovarian malignancy in future, inability to follow-up, and previous one or more abdominal surgeries. Conclusion: We as gynecologists need to reconsider the age at which we recommend prophylactic oophorectomy. Too much negative counseling should be deferred.

Keywords: Ovarian conservation, prophylactic, salpingo-oophorectomy


How to cite this article:
Jain SH, Somalwar SA. Analysis of prophylactic salpingo-oophorectomy at the time of hysterectomy for benign lesions. J Mid-life Health 2019;10:29-32

How to cite this URL:
Jain SH, Somalwar SA. Analysis of prophylactic salpingo-oophorectomy at the time of hysterectomy for benign lesions. J Mid-life Health [serial online] 2019 [cited 2019 Jul 18];10:29-32. Available from: http://www.jmidlifehealth.org/text.asp?2019/10/1/29/255282




   Introduction Top


Prophylactic salpingo-oophorectomy is the removal of healthy tubes and ovaries in high-risk women to reduce future risk of ovarian and/or breast carcinoma.[1] It also eliminates the potential for further surgery for benign disease as well. The lifetime risk of ovarian cancer in women is 1 in 70 to 1 in 100.[2] Nulliparous women or those with low parity, late menopause, genetic predisposition, breast or gastrointestinal cancer, or those on prolonged hormone therapy have a higher risk of for developing ovarian cancer.[2] Women with a strong family history of ovarian and/or breast cancer and those who carry germline mutations (BRCA-1 and BRCA-2) have a significantly increased lifetime risk for developing ovarian cancer.[3] Not only that, those with genetic mutations tend to develop ovarian cancer at an earlier age.[4] It is therefore recommended that these women undergo prophylactic oophorectomy.[3],[4] The procedure has however fallen into disrepute as it is frequently being done in women with average risk. The removal of healthy ovaries in an average risk woman deprives her of benefits of endogenous estrogens in premenopausal women and benefits of endogenous androgens in postmenopausal women. A number of studies have shown that average-risk premenopausal women who underwent prophylactic oophorectomy showed a significant increase in mortality from cardiovascular disease compared to those who had ovarian conservation.[5],[6] In addition, the risks, costs, and benefits of prophylactic oophorectomy in the absence of genetic markers and at the time of hysterectomy for benign lesions has not been fully evaluated.[7] The number needed to treat for prophylactic bilateral oophorectomy in women at low risk for developing ovarian cancer is 300.[7] Prophylactic oophorectomy is associated with a decreased risk of breast and ovarian cancer but an increased risk of all-cause mortality, fatal and nonfatal heart disease and lung cancer. In no analysis of age group was prophylactic oophorectomy associated with increased survival.[5] Furthermore, prophylactic oophorectomy does not completely eliminate the risk of breast cancer and primary peritoneal cancer. Studies on breast cancer in the Indian population also recommend prophylactic oophorectomy only in women who are positive for BRCA 1 and BRCA 2 mutations. The facility for genetic screening in our country is limited and expensive and out of reach of most of the women and hence cannot be routinely done for all women.

Aims and objectives

  1. To study the reasons behind the patients' choice for prophylactic oophorectomy at the time of hysterectomy for benign diseases
  2. To study the histology of the tubes and ovaries in cases of prophylactic oophorectomy.



   Materials and Methods Top


This prospective study was carried out over a period of 2 years from January 2016 to December 2017 at a tertiary care center providing services to both urban and rural population. The study group included women undergoing prophylactic salpingo-oophorectomy at the time of hysterectomy for benign gynecological conditions. Women over the age of 60 years and women with diagnosed or suspected malignancy were excluded. In all, 252 women between 35 and 60 years undergoing hysterectomy for benign conditions were evaluated. Of these, 86 (34.12%) women opted for prophylactic oophorectomy and were included in the study. Detailed history included age, socio-demographic factors such as education and socioeconomic status, parity, symptoms, menstrual history, obstetric history, past and family history of malignancy, contraceptive practices, and awareness about menopausal hormone therapy. Details about the indication for hysterectomy, relevant investigations (ultrasonography [USG], Paps smear, and CA 125 levels) were noted. The patient and her relative were individually counseled about the procedure of prophylactic oophorectomy, and ovarian conservation and the pros and cons of both procedures were explained, and they were allowed to choose. Their reasons for choosing prophylactic oophorectomy were evaluated. The histopathology reports of the tubes and ovaries were also noted.

The outcome measures assessed were age, education, socio-economic status, parity, contraceptive method used, past and family history of malignancy, awareness about postmenopausal hormone therapy, CA 125 levels, USG and Paps smear report, indication for hysterectomy, reasons for prophylactic oophorectomy and histopathology report.


   Results Top


Of the 252 patients, 86 (34.12%) opted for prophylactic oophorectomy.

Most of the patients were between 41 and 50 years of age [Table 1].
Table 1: Age distribution (total n=86)

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The patients mostly belonged to low socio-economic status or lower middle class. Barring a few, patients in our study were not educated beyond 8th standard. About 51.16% of patients were Para 3 and 25.58% were Para 2 [Table 2].
Table 2: Parity of the patients (total n=86)

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Very high acceptance for tubal ligation as a method of contraception was observed (74. 41%). Barrier method (11.62%) was the next commonly used method [Table 3].
Table 3: Contraceptive practices (total n=86)

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None of these patients who underwent prophylactic salpingo-oophorectomy during hysterectomy for benign lesions had any past or family history of breast, ovarian or gastrointestinal malignancy. Only one patient had fibroadenoma of the breast which was excised, and the benign nature proved on histology. The reports of Paps smear and CA 125 were within normal limits. Ultrasound reports were normal as far as ovaries were concerned. There was a lack of awareness about postmenopausal hormone therapy. Dysfunctional uterine bleeding and leiomyoma were the most common indications for hysterectomy, others being endometriosis, adenomyosis, postmenopausal bleeding and [Table 4]. More than one condition was observed in some patients.
Table 4: Indications for hysterectomy (total n=86)

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The reasons for opting for prophylactic oophorectomy were evaluated. In about 60%, the women were unable to decide themselves and wanted their treating gynecologist to make the appropriate decision. The other common reasons were fear of developing malignancy in future, need for repeat surgery even for the benign lesion, inability to follow-up and previous one or more abdominal surgeries such as cesarean section [Table 5]. Reasons, why their gynecologists had advised for prophylactic oophorectomy, were age >45 years, women with endometriosis and severe adhesions, women with postmenopausal bleeding and women with moderate or severe cervical dysplasia.
Table 5: Reason for prophylactic oophorectomy (total n=86)

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All the tissues (the uterus, tubes, and ovaries) were subjected to histopathology examination. The report of tubes and ovaries in all the patients was unremarkable, and none of the tubes or ovaries removed showed any evidence of malignancy or premalignant lesion. None of the patients were aware about postmenopausal hormone therapy.


   Discussion Top


Age of the patient is one of the important factors when considering conservation or removal of healthy ovaries. About 40% of patients who underwent prophylactic oophorectomy, in our study, were below 45 years. We at our institute consider prophylactic oophorectomy at or beyond 45 years of age to minimize any chances of repeat surgery for benign or malignant lesion in future. Evans et al. concluded that prophylactic bilateral oophorectomy offers the advantage of effectively eliminating the risk of ovarian cancer and reoperation but can be detrimental to other aspects of health especially in women below 45 years.[6] Rocca et al. opined that in the absence of documented high-risk genetic variant predisposing to ovarian cancer, bilateral prophylactic oophorectomy before the age of 50 years should never be considered.[8] Hickey et al. advise ovarian conservation till 65 years in low-risk women.[3] Nulliparity, genetic predisposition, past or family history of ovarian/breast/gastrointestinal malignancy or prolonged hormone therapy are considered high-risk factors for ovarian malignancy.[2],[4] None of the patients in our study had any of these high-risk factors. Only four of the patients had low parity. They were Para 1.

Genetic screening for BRCA 1 and BRCA 2 mutation is expensive and not easily available in our country. Hence, we need to rely on meticulous history, clinical examination, and investigations such as sonography and tumor markers. By these parameters, all our patients were in low-risk group. In our study, no abnormality either in the form of premalignant changes or early malignancy was detected in the histopathology examination of tubes and ovaries removed even at 58 and 59 years Hickey et al., suggested that for women at low risk of ovarian cancer, ovarian conservation until at least till age 65 years seems to benefit long-term survival.[3]

Although most of our patients were educated till middle school, they failed to appreciate that uterus and ovaries were different organs even after explaining and almost 60% depended on their treating gynecologist to make an appropriate decision. Education thus plays an important role in decision making. Fear of developing malignancy in future was another important factor in about 16% of women. Inability to follow-up in future was also a reason for opting for prophylactic oophorectomy in 11.6% of patients. This was not so in other studies by Novetsky et al.[9] and Jacoby et al.[10] The previous history of abdominal surgeries mainly in the form of cesarean sections was yet another reason, why women opted for prophylactic oophorectomy. Their decision in such cases was also supported by the treating gynecologists especially in cases with previous two or more cesarean deliveries. Although this was an important consideration in our study, this factor is not reported in other studies.[9],[10] There have been very few studies that have analyzed the reasons why prophylactic oophorectomy is favored in women with low risk for ovarian/breast malignancy.


   Conclusion Top


Age, poor education status, lack of knowledge and understanding, socio-economic status, fear of malignancy, need for repeat surgery, and previous one or more abdominal surgeries are important factors that affect decision-making when choosing between ovarian conservation and prophylactic oophorectomy at the time of hysterectomy for benign lesions. Moreover, women in our country still depend on their gynecologist for appropriate decision. Hence, we need to reconsider the age at which we recommend prophylactic oophorectomy. We need to emphasize on the benefits of ovarian conservation and ill effects of prophylactic oophorectomy in low-risk women. Too much negative counseling should be deferred.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Howard W. Jones II. Abdominal hysterectomy In: Te Lindes Operative Gynecology 11th ed., Ch. 32. Third Indian Reprint. New Delhi: Wolters Kluwer (India) Pvt Ltd New Delhi Publication; 2017. p. 697.  Back to cited text no. 1
    
2.
Padubidri VG, Daftary SN. Ovarian cancer. In: Shaw's Textbook of Gynecology. 16th ed., Ch. 40. First Printed in India 2015. New Delhi: Reed Elsevier India Pvt ltd; 2015. p. 521.  Back to cited text no. 2
    
3.
Hickey M, Ambekar M, Hammond I. Should the ovaries be removed or retained at the time of hysterectomy for benign disease? Hum Reprod Update 2010;16:131-41.  Back to cited text no. 3
    
4.
Berek JS, Longacre TA, Friedlander M. Ovarian, fallopian tube, and peritoneal cancer. In: Berek and Novak's Gynecology. 15th ed., Ch. 37. Fifth India Reprint. New Delhi: Wolters Kluwer (India) Pvt Ltd New Delhi Publication, 2016. p. 1350-1.  Back to cited text no. 4
    
5.
Parker WH, Feskanich D, Broder MS, Chang E, Shoupe D, Farquhar CM, et al. Long-term mortality associated with oophorectomy compared with ovarian conservation in the nurses' health study. Obstet Gynecol 2013;121:709-16.  Back to cited text no. 5
    
6.
Evans EC, Matteson KA, Orejuela FJ, Alperin M, Balk EM, El-Nashar S, et al. Salpingo-oophorectomy at the time of benign hysterectomy: A Systematic review. Obstet Gynecol 2016;128:476-85.  Back to cited text no. 6
    
7.
Larson CA. Prophylactic bilateral oophorectomy at time of hysterectomy for women at low risk: Acog revises practice guidelines for ovarian cancer screening in low-risk women. Curr Oncol 2014;21:9-12.  Back to cited text no. 7
    
8.
Rocca WA, Faubion SS, Stewart EA. Salpingo – Oophorectomy at the time of benign hysterectomy: A systematic review. Obstet Gynecol 2016;128:476-85.  Back to cited text no. 8
    
9.
Novetsky AP, Boyd LR, Curtin JP. Trends in bilateral oophorectomy at the time of hysterectomy for benign disease. Obstet Gynecol 2011;118:1280-6.  Back to cited text no. 9
    
10.
Jacoby VL, Vittinghoff E, Nakagawa S, Jackson R, Richter HE, Chan J, et al. Factors associated with undergoing bilateral salpingo-oophorectomy at the time of hysterectomy for benign conditions. Obstet Gynecol 2009;113:1259-67.  Back to cited text no. 10
    



 
 
    Tables

  [Table 1], [Table 2], [Table 3], [Table 4], [Table 5]



 

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