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KRAS Mutation in Endometriosis-Associated Ovarian Borderline and Malignant Epithelial Tumors. INTERNATIONAL JOURNAL OF CANCER MANAGEMENT 2022. [DOI: 10.5812/ijcm-120754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background: Endometriosis is a common disease among women with the capacity to transform into ovarian neoplasms. KRAS mutation is a keystone in tumor-genesis of many malignant neoplasms. Objectives: In the current study, we investigated KRAS mutations in endometriosis-associated ovarian borderline and malignant epithelial tumors. Methods: The specimens of 42 consecutive patients undergoing a surgical procedure whose final diagnosis comprised endometriosis-associated borderline and malignant epithelial ovarian tumors including 12 borderline epithelial tumors and 30 ovarian epithelial carcinomas were histopathologically reviewed. All cases were evaluated regarding the type of tumor, differentiation and simultaneous presence of endometriosis or atypical endometriosis. DNA extraction from the selected paraffin block was done and mutation of codons 12 and 13 was assessed. Results: Due to the quality of genomic DNA for PCR study was not acceptable in 6 out of 42 cases, among remaining 36 cases, KRAS mutation was observed in 6 cases including 2 cases with mutations in 2nd base of 12th codon (G→T), 3 cases with substitution of G→A in the 2nd base of 12th codon, and one with substitution of G→T in the 1st base of 12th codon. Conclusions: We evaluated the KRAS mutation in the spectrum of ovarian epithelial tumors associated with endometriosis for treatment approaches including targeted therapies. Our results suggested a possible link between KRAS mutation and endometriosis-associated ovarian borderline and malignant tumors but there was no convincing evidence to prove a definite linkage.
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Clinical Outcomes of Patients with High-Grade Ovarian Carcinoma Arising in Endometriosis Compared to Ovarian High-Grade Serous Carcinoma. INDIAN JOURNAL OF GYNECOLOGIC ONCOLOGY 2021. [DOI: 10.1007/s40944-021-00559-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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3
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Development of localized cul-de-sac endometrioid carcinoma associated with deep infiltrating endometriosis during remission of early endometrial cancer. Gynecol Oncol Rep 2019; 31:100526. [PMID: 31890832 PMCID: PMC6926206 DOI: 10.1016/j.gore.2019.100526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/29/2019] [Accepted: 12/02/2019] [Indexed: 12/15/2022] Open
Abstract
A cul-de-sac endometrioid carcinoma adjacent to extraovarian endometriosis was identified during remission of endometrial cancer. The origin of the cul-de-sac tumor was malignant transformation of deep infiltrating endometriosis. Endometriosis-related cancer was identified in a woman with endometrial cancer during remission. Hyperestrogenism due to infertility treatment may contribute to malignant transformation of deep infiltrating endometriosis.
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Vercellini P, Facchin F, Buggio L, Barbara G, Berlanda N, Frattaruolo MP, Somigliana E. Management of Endometriosis: Toward Value-Based, Cost-Effective, Affordable Care. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2018; 40:726-749.e10. [DOI: 10.1016/j.jogc.2017.07.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 07/12/2017] [Indexed: 12/13/2022]
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Ozyurek ES, Yoldemir T, Kalkan U. Surgical challenges in the treatment of perimenopausal and postmenopausal endometriosis. Climacteric 2018; 21:385-390. [DOI: 10.1080/13697137.2018.1439913] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- E. S. Ozyurek
- Department of Obstetrics and Gynecology, Bagcilar Research and Training Hospital, Istanbul, Turkey
| | - T. Yoldemir
- Department of Obstetrics and Gynecology, Marmara University Hospital, Istanbul, Turkey
| | - U. Kalkan
- Department of Obstetrics and Gynecology, Egemed Hospital, Aydin, Turkey
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Abstract
Endometriosis may be a precursor lesion for some epithelial ovarian cancers (EOCs), especially those of clear cell and endometrioid histologies. The causality of this relationship remains controversial and in need of further investigation because the high prevalence of endometriosis and high mortality of EOC carry significant public health implications if the association is real. Endometriosis-associated ovarian cancer (EAOC) often presents at an earlier stage and with lower-grade lesions than non-EAOC. After surgical resection, these patients also tend to have less residual disease than do patients with non-EAOC. Survival has been reported to be better for women with EAOC. The tumor suppression gene, ARID1A, is frequently disrupted in EAOC. The ARID1A mutation has been reported in preneoplastic lesions and may be an early marker in the transformation of endometriosis into cancer. The current evidence in respect to critical molecular pathways underscores the need to investigate possible role of targeted therapies in the treatment of EAOC.
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Tanase Y, Furukawa N, Kobayashi H, Matsumoto T. Malignant Transformation from Endometriosis to Atypical Endometriosis and Finally to Endometrioid Adenocarcinoma within 10 Years. Case Rep Oncol 2013; 6:480-4. [PMID: 24163664 PMCID: PMC3806695 DOI: 10.1159/000355282] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Atypical endometriosis is reported to possess a precancerous potential attributed to premalignant changes characterized by cytological atypia and architecture proliferation. Moreover, the coexistence of atypical endometriosis and neoplasms had been reported. However, cases of atypical endometriosis transformation to carcinoma are rarely reported. We describe the case of a 33-year-old woman who had a long therapeutic history of endometriosis. Three laparoscopic surgeries were performed to treat endometriosis. After the third surgery, she was diagnosed as having grade 1 endometrioid adenocarcinoma. The histological review of the previous surgery confirmed the diagnosis of atypical endometriosis based on the second specimen. The patient's disease progressed from a benign endometriotic cyst to atypical endometriosis and finally to endometrioid adenocarcinoma within 10 years. When we encounter cases of atypical endometriosis, it is necessary to consider the possibility of ovarian cancer and carefully follow the patients for long periods.
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Affiliation(s)
- Yasuhito Tanase
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Osaka, Japan
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Buis CCM, van Leeuwen FE, Mooij TM, Burger CW. Increased risk for ovarian cancer and borderline ovarian tumours in subfertile women with endometriosis. Hum Reprod 2013; 28:3358-69. [PMID: 24014607 DOI: 10.1093/humrep/det340] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
STUDY QUESTION Is ovarian or extra-ovarian endometriosis associated with an increased risk of ovarian cancer and borderline ovarian tumours (BOT)? SUMMARY ANSWER We found a 3- to 8-fold increased risk of ovarian tumours associated with endometriosis: the magnitude of the risk increase depended on the definition of endometriosis. WHAT IS KNOWN ALREADY There is increasing evidence of an association between endometriosis and increased risk of ovarian cancer. However, most reports were based on self-reported diagnosis of endometriosis. STUDY DESIGN, SIZE, DURATION We conducted a nationwide historic cohort study among women with subfertility problems between 1980 and 1995. For this analysis we selected all cohort members with endometriosis, and a comparison group of subfertile women (male factor or idiopathic) without endometriosis (total cohort of 8904 women). Median follow-up time was 15.2 for the entire study population. PARTICIPANTS/MATERIALS, SETTING, METHODS For this analysis we selected all cohort members with (n = 3657) and without (n = 5247) evidence of endometriosis. Seventy-eight per cent of diagnoses of endometriosis were confirmed by pathology report, and 22% was self-reported endometriosis (positive predictive value of 73%). We linked the cohort with the Dutch Pathology Database and the Netherlands Cancer Registry to assess the occurrence of ovarian cancer and BOT between January 1989 and June 2007. MAIN RESULTS AND THE ROLE OF CHANCE We observed a substantially increased risk of all ovarian malignancies combined in women with endometriosis when we based the definition of endometriosis on self-report, medical records information at subfertility treatment and/or the nationwide pathology database (hazard ratio (HR) 8.2; 95% confidence interval (CI) 3.1-21.6). The HR associated with endometriosis was 12.4 (95% CI 2.8-54.2) for ovarian cancer and 5.5 (95% CI 1.5-20.2) for BOT. When we excluded information from the pathology database, HRs were 3.0 (95% CI 1.5-6.1) for all ovarian tumours, 4.3 (95% CI 1.6-11.2) for ovarian cancer and 1.9 (95% CI 0.6-5.8) for BOT. Both ovarian and extra-ovarian endometriosis carried a significantly increased risk for ovarian cancer and BOT. LIMITATIONS, REASONS FOR CAUTION We did not have information on oral contraceptive use and parity for 23.4 and 3.4%, of women in the analytic cohort, respectively. Furthermore, a limitation of our study, and also of other studies, is that the date of diagnosis of endometriosis is usually made long after the onset of the disease. Also, the number of cases in the cohort is small (n = 34), resulting in wide CIs. WIDER IMPLICATIONS OF THE FINDINGS The fact that endometriosis was assessed before diagnosis of ovarian malignancy and the high degree of medical confirmation in our study likely contribute to the validity of our estimate of a 3- to 8-fold increased risk of ovarian tumours associated with endometriosis. The risk of ovarian malignancies associated with endometriosis was much higher in analyses including information on endometriosis from the nationwide pathology database, implying that risk estimates from studies using self-reported information on endometriosis may be too low due to non-differential misclassification bias. STUDY FUNDING/COMPETING INTEREST(S) None. TRIAL REGISTRATION NUMBER None.
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Affiliation(s)
- C C M Buis
- Department of Obstetrics and Gynaecology, Division of Gynaecologic Oncology, Erasmus Medical Center Rotterdam, PO Box 2040, Rotterdam 3000 CA, The Netherlands
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Endometriosis Does Not Confer Improved Prognosis in Ovarian Carcinoma of Uniform Cell Type. Am J Surg Pathol 2012; 36:688-95. [DOI: 10.1097/pas.0b013e31824b6eed] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Melin A, Lundholm C, Malki N, Swahn ML, Sparen P, Bergqvist A. Endometriosis as a prognostic factor for cancer survival. Int J Cancer 2010; 129:948-55. [PMID: 20949560 DOI: 10.1002/ijc.25718] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Accepted: 09/21/2010] [Indexed: 12/24/2022]
Abstract
Studies have shown an increased risk of malignancies in women with endometriosis. Little is known about the impact of endometriosis on cancer survival. We investigated whether the survival after a diagnosis of a malignancy differs in women with a previously diagnosed endometriosis compared to other women. Women with a first time diagnosis of a malignancy in 1969-2005, were identified using the National Swedish Cancer Register (NSCR). By use of the National Swedish Patient Register (NSPR) we identified all women with a diagnosis of endometriosis during the same period and linked these patients with the data from the NSCR. The cohort comprised 4,278 women with endometriosis and a malignancy, and 41,831 randomly selected matched women without endometriosis. Cox regression was used for all calculations to obtain crude and adjusted cause specific mortality rates, measured as hazard ratios (HR) with 95% confidence intervals (CI). A total of 46,109 women entered the study. There was a statistically significant better survival for women with endometriosis for all malignancies combined (HR=0.92) and for breast cancer (HR=0.86) and ovarian cancer (HR=0.81) specifically. For breast cancer the survival enhancing effect in women with endometriosis decreased with increasing parity. There was poorer survival in malignant melanoma for women with endometriosis (HR=1.52). The survival in a malignancy is better in women with a previously diagnosed endometriosis compared to women without endometriosis especially for breast and ovarian cancers. The prognosis of malignant melanoma is poorer in women with endometriosis.
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Affiliation(s)
- A Melin
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
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Gemmill JAL, Stratton P, Cleary SD, Ballweg ML, Sinaii N. Cancers, infections, and endocrine diseases in women with endometriosis. Fertil Steril 2010; 94:1627-31. [PMID: 19945097 PMCID: PMC2946463 DOI: 10.1016/j.fertnstert.2009.07.1698] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2009] [Revised: 07/14/2009] [Accepted: 07/29/2009] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To assess the prevalence of patient-reported, physician-diagnosed comorbid conditions in women with endometriosis. DESIGN Cross-sectional study of self-reported survey data. SETTING Academic research. PATIENT(S) Four thousand three hundred thirty-one Endometriosis Association (EA) members reporting surgically diagnosed endometriosis. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) Self-reported, physician-diagnosed infectious diseases, cancers, and endocrine diseases. RESULT(S) Nearly two-thirds of women reported one or more of the assessed conditions. Recurrent upper respiratory infections and recurrent vaginal infections were common and more likely in women responding to the EA survey. Melanoma was reported by 0.7% (n=29), breast cancer by 0.4% (n=16), and ovarian cancer by 0.2% (n=10). While ovarian cancer and melanoma were significantly more common than in the general population, breast cancer was surprisingly less common. Addison's disease and Cushing's syndrome were rare (0.2% and 0.1%, respectively). CONCLUSION(S) Respondents reported a higher prevalence of recurrent upper respiratory or vaginal infections, melanoma, and ovarian cancer than the general population. These findings document other potential associations related to the immune system, which may help focus future research into this disease.
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Affiliation(s)
- Julie Anne L. Gemmill
- Program in Reproductive Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
| | - Pamela Stratton
- Program in Reproductive Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
| | - Sean D. Cleary
- Department of Epidemiology and Biostatistics, School of Public Health and Health Services, George Washington University, Washington, DC
| | - Mary Lou Ballweg
- Endometriosis Association International Headquarters, Milwaukee, Wisconsin
| | - Ninet Sinaii
- Program in Reproductive Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
- Biostatistics and Clinical Epidemiology Service, Clinical Center, National Institutes of Health, Bethesda, Maryland
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Kawaguchi R, Tsuji Y, Haruta S, Kanayama S, Sakata M, Yamada Y, Fujita H, Saito H, Tsuneto K, Kobayashi H. Clinicopathologic features of ovarian cancer in patients with ovarian endometrioma. J Obstet Gynaecol Res 2008; 34:872-7. [PMID: 18834345 DOI: 10.1111/j.1447-0756.2008.00849.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE The purpose of this study was to describe the clinicopathologic features of malignant transformation in patients with ovarian endometrioma, their treatment and outcome in the Kinki region, Japan. PATIENTS AND METHODS Patients meeting Sampson and Scott's criteria for cancer associated with endometriosis were identified by chart review and pathology reports. This retrospective survey describes 18 women with a history of ovarian endometrioma. These cases were followed as benign ovarian endometrioma before malignant transformation on the basis of imaging findings by gynecologic oncologists or radiologists. RESULTS Mean age at presentation of malignant transformation was 45.2 years (range, 36-66 years), and 78% (n=14) were premenopausal women. The pattern of spread was local in 16 (89%), regional in 2 (11%) and distant in 0 (0%). There was a common left-sided predominance. Characteristic histologic findings were 61% clear cell carcinoma. Endometriosis-associated malignancies have a favorable prognosis. The patients showed long latency intervals before developing ovarian cancer (mean, 4.5 years; range, 1-16 years). Among them, subjects (n=10) whose ages are more than 45 years old had shorter latency intervals (mean, 1 year; range, 1-3 years), compared with those (n=8) aged less than 45 years old (mean, 8.4 years; range, 3-16 years). CONCLUSION Ovarian endometrioma could be viewed as a neoplastic process, particularly in perimenopausal women.
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Affiliation(s)
- Ryuji Kawaguchi
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara, Japan
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14
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Orezzoli J, Russell A, Oliva E, Del Carmen M, Eichhorn J, Fuller A. Prognostic implication of endometriosis in clear cell carcinoma of the ovary. Gynecol Oncol 2008; 110:336-44. [DOI: 10.1016/j.ygyno.2008.05.025] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2008] [Revised: 05/14/2008] [Accepted: 05/19/2008] [Indexed: 12/01/2022]
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Obstructive Uropathy as a Major Presentation of Ovarian Clear Cell Adenocarcinoma. Taiwan J Obstet Gynecol 2008. [DOI: 10.1016/s1028-4559(19)30083-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Valenzuela P, Ramos P, Redondo S, Cabrera Y, Alvarez I, Ruiz A. Endometrioid adenocarcinoma of the ovary and endometriosis. Eur J Obstet Gynecol Reprod Biol 2007; 134:83-6. [PMID: 16844279 DOI: 10.1016/j.ejogrb.2006.06.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2005] [Revised: 05/08/2006] [Accepted: 06/13/2006] [Indexed: 11/25/2022]
Abstract
OBJECTIVE We present a retrospective analysis of 22 cases of endometrioid ovarian carcinoma, reviewed to identify endometriosis and its malignant transformation. STUDY DESIGN Twenty-two patients with endometrioid ovarian cancer were included in the review. Their clinical and histological data were retrospectively reviewed. The origin of the tumours was considered endometriosis-related when the presence of malignant changes in endometriosis glands leading to endometrioid carcinoma were found. RESULTS Endometriosis was detected in three cases (3/22=14%). One of them presented a clearly benign to malignant transformation area. In another patient, the transition zone was abrupt and present in both ovaries. In the third, a pre-menopausal woman, ovarian endometriosis with only focal endometrioid carcinoma was observed. The three of them had a clear-cell carcinoma component. The presence of a clear-cell component was significantly greater in patients with endometriosis than in patients without endometriosis Each patient had a different clinical presentation: increase in abdominal perimeter, post-menopausal vaginal haemorrhage and hypermenorrhea. Preoperative CA 125 levels were avalaible in 15 of the patients (15/22=68%). Endometriosis was found in two of these 15 patients, both with the highest CA 125 measured levels, exceeding 1700 U/ml. In the remaining of the patients, CA 125 value did not exceed 35 U/ml. CONCLUSION Although this association is not very frequent, patients with ovarian endometriosis and a high CA 125 serum level should be managed with special care, regardless of their pre-menopausal or post-menopausal status.
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Affiliation(s)
- P Valenzuela
- Obstetrics and Gynaecology Department, Principe de Asturias Hospital, Alcalá de Henares University, Alcalá de Henares, Madrid, Spain.
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Mattucci ML, Dellera A, Guerriero A, Barbieri F, Minnelli L, Furlani L. Malignant struma ovarii: a case report and review of the literature. J Endocrinol Invest 2007; 30:517-20. [PMID: 17646728 DOI: 10.1007/bf03346337] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Malignant struma ovarii is a very rare disease. Only few cases are reported in literature. Because of its rarity, there are various approaches to its treatment. We describe a case of malignant struma ovarii, in a 37 year-old female who presented for non cyclic, chronic pelvic pain and the presence of a right ovarian cyst with mean diameter of 7 cm. The patient was treated with laparoscopic right ovariectomy and with multiple biopsies of omental, left ovary and utero-sacral ligament. The patient underwent subsequently total thyroidectomy and radioiodine (131I) ablation. A Medline literature search was performed; we found 48 cases of malignant struma ovarii. The therapeutic management of the disease is very different in the described case; particularly after surgical removing of the ovarian mass, the treatment is still controversial. We think that the management of malignant struma ovarii could be the same than carcinoma of the thyroid, so after surgical removing of ovarian neoplasm, we recommend thyroidectomy, radiotherapy with 131I and levothyroxine suppressive therapy.
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Affiliation(s)
- M L Mattucci
- Department of Endocrinology, Sacro Cuore-Don Calabria Hospital, Negrar, Verona, Italy.
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Abstract
The aim of this literature review is to precise definition, anatomoclinical entities and natural history of endometriosis to allow clinical guideline establishment. DEFINITION Endometriosis is defined as the presence of endometrial tissue (glands and stroma) outside the uterus. This histologic definition does not implicate symptoms. Macroscopic lesions supposed to be endometriosis are not always confirmed by histology. Histology is recommended to confirm endometriosis. Negative histology does not exclude endometriosis. ANATOMOCLINICAL ENTITIES Three endometriosis entities are described: peritoneal endometriosis, ovarian endometrial cyst, and deeply infiltrating endometriosis. There is no evidence to establish a different pathogenesis of theses entities. ENDOMETRIOSIS NATURAL HISTORY It is not well known. It may progress or regress with or without treatment. There is no evidence of treatment in case of asymptomatic endometriosis. There is an association between endometriosis and ovarian cancer. The risk of endometriosis malignant transformation is still a subject of controversy. There is no evidence for a specific oncologic follow-up of woman having endometriosis.
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Affiliation(s)
- X Fritel
- Service de Gynécologie et Obstétrique, CHD Félix-Guyon, 97417 Saint-Denis cedex, île de la Réunion, France.
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Letkeman S, Dogan S, Agic A, Frenzel W, Diedrich K, Hornung D. Von der Endometriose zum Ovarialkarzinom. GYNAKOLOGISCHE ENDOKRINOLOGIE 2006. [DOI: 10.1007/s10304-006-0152-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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20
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Prowse AH, Manek S, Varma R, Liu J, Godwin AK, Maher ER, Tomlinson IPM, Kennedy SH. Molecular genetic evidence that endometriosis is a precursor of ovarian cancer. Int J Cancer 2006; 119:556-62. [PMID: 16506222 DOI: 10.1002/ijc.21845] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Histopathology and epidemiology studies have consistently demonstrated a strong link between endometriosis and endometriosis-associated ovarian cancers (EAOCs)--in particular, the endometrioid and clear cell subtypes. However, it is still unclear whether endometriosis is a precursor to EAOCs, or whether there is an indirect link because similar factors predispose to both diseases. In order to search for evidence of clonal progression, we analyzed 10 EAOCs (endometrioid=4; clear cell=6) with coexisting endometriosis for common molecular genetic alterations in both the carcinoma and corresponding endometriosis. We used 82 microsatellite markers spanning the genome to examine loss of heterozygosity (LOH) in the coexisting carcinoma and endometriosis samples. A total of 63 LOH events were detected in the carcinoma samples; twenty two of these were also detected in the corresponding endometriosis samples. In each case, the same allele was lost in the endometriosis and cancer samples. Interestingly, no marker showed LOH in the endometriosis alone. These data provide evidence that endometriosis is a precursor to EAOCs.
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Affiliation(s)
- Amanda H Prowse
- Nuffield Department of Obstetrics and Gynaecology, The Women's Centre, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom.
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Nelson GS, Ghatage P, Mainprize TC, Duggan MA, Buie D, Nation JG. Primary carcinoma of the rectovaginal septum diagnosed as uterine prolapse. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2006; 27:1027-30. [PMID: 16529670 DOI: 10.1016/s1701-2163(16)30502-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Primary carcinoma of the rectovaginal septum is very rare. Most cases are associated with documented endometriosis, and patients will often present with vaginal or rectal bleeding. CASE A 47-year-old woman presented to the emergency department complaining of urinary symptoms and "something falling out of the vagina." She was diagnosed initially as having uterine prolapse. However, further investigations and surgery showed that she had a primary papillary serous carcinoma of the rectovaginal septum, and the carcinoma later metastasized to the lymph nodes. No evidence of endometriosis was found. Assessment and subsequent treatment of this aggressive tumour was likely delayed because of its initial benign presentation. CONCLUSION Our presentation of the case of a woman with primary carcinoma of the rectovaginal septum not associated with a focus of endometriosis shows that this rare aggressive cancer may present in a clinically benign fashion.
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Affiliation(s)
- Gregory S Nelson
- Department of Obstetrics and Gynecology, Foothills Medical Centre, Calgary, AB
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Zhao X, Lang J, Leng J, Liu Z, Sun D, Zhu L. Abdominal wall endometriomas. Int J Gynaecol Obstet 2005; 90:218-22. [PMID: 16040035 DOI: 10.1016/j.ijgo.2005.05.007] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2004] [Revised: 05/16/2005] [Accepted: 05/19/2005] [Indexed: 11/21/2022]
Abstract
OBJECTIVE To investigate the clinical characteristics, treatment, and factors of recurrence of abdominal wall endometriomas (AWE). METHOD Sixty-four cases of AWE diagnosed at Peking Union Medical College Hospital (PUMCH) from 1983 to 2003 were reviewed retrospectively. RESULT There was an AWE incidence of 0.044% among the parturients undergoing cesarean section at PUMCH, of whom 87.5% had the typical complaint of an enlarging mass and pain during menstruation. Among these women, 62 underwent low abdominal surgery for endometrioma (2 for primary umbilicus endometrioma); 2 women with small endometriomas opted for a temporary medical solution and had relief after menopause. The latent period of AWE positively correlated to the women's age at onset of symptoms (P<0.001). Of the 62 women who underwent local excision, 19 had an unsatisfactory experience with medical management. There were 5 recurrences and 1 evolution to malignancy during a mean follow-up of 83.7 months. Recurrence was closely related to the size and depth of lesions. CONCLUSION Because of its typical clinical manifestations, abdominal wall endometriomas could be diagnosed before pregnancy. Surgical excision is the only effective treatment and wide local excision with clear margins is the key point to prevent recurrence.
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Affiliation(s)
- Xueying Zhao
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, China.
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