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Kayraklioglu N, Katsakhyan L, Cohen PA, Singh N, Rabban JT, Matias-Guiu X. Perceptions of Controversies and Unresolved Issues in the 2014 FIGO Staging System for Endometrial Cancer: Survey Results From Members of the International Society of Gynecological Pathologists and International Gynecologic Cancer Society. Int J Gynecol Pathol 2024; 43:242-252. [PMID: 37668357 DOI: 10.1097/pgp.0000000000000977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
Long-standing controversial and unresolved issues in the current "International Federation of Gynecology and Obstetrics" staging system for endometrial cancer are well-recognized by pathologists and clinicians alike and exist primarily as a result of limitations to the existing literature. To guide the design of future outcome-based studies specifically aimed at resolving such gaps, the International Society of Gynecologic Pathologists developed a survey of the current perceptions of pathologists (n = 172) and clinicians (n= 135) from the International Society of Gynecological Pathologists and from the International Gynecologic Cancer Society on areas for potential refinement of the current International Federation of Gynecology and Obstetrics staging system. The highest priority issues for pathologists and clinicians alike were the need to determine whether stage IIIA patients (ovarian/fallopian tube involvement) can be reliably separated into favorable versus unfavorable outcome groups to avoid over-treatment of the former group and to determine whether stage IIIC patients (lymph node metastases) can be separated into favorable versus unfavorable outcome groups based on the size of lymph node metastases. The majority of pathologists and clinicians viewed lymphovascular space invasion as an independent prognostic variable and favored incorporating lymphovascular space invasion into staging, though the level of support did not meet the threshold of 75% in support that we used to define a formal consensus. While pathologists did agree on the prognostic value of reporting the extent of lymphovascular space invasion, there was no consensus on the diagnostic criteria to distinguish focal versus substantial involvement. The majority of pathologists and clinicians viewed that a universally accepted protocol for sentinel lymph node ultra-staging is lacking. Both survey groups conveyed a slight preference for incorporating tumor histotype and molecular classification into staging but the support was short of the 75% threshold for formal consensus. Collectively, this survey permits the International Society of Gynecological Pathologists to develop a pathologist and clinician-driven long-term strategy for prioritizing and designing outcome-based studies specifically targeted to resolving controversial and unresolved issues in the International Federation of Gynecology and Obstetrics staging of endometrial cancer.
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Takahashi K, Yachida N, Tamura R, Adachi S, Kondo S, Abé T, Umezu H, Nyuzuki H, Okuda S, Nakaoka H, Yoshihara K. Clonal origin and genomic diversity in Lynch syndrome-associated endometrial cancer with multiple synchronous tumors: Identification of the pathogenicity of MLH1 p.L582H. Genes Chromosomes Cancer 2024; 63:e23231. [PMID: 38459936 DOI: 10.1002/gcc.23231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/06/2024] [Accepted: 02/20/2024] [Indexed: 03/11/2024] Open
Abstract
Lynch syndrome-associated endometrial cancer patients often present multiple synchronous tumors and this assessment can affect treatment strategies. We present a case of a 27-year-old woman with tumors in the uterine corpus, cervix, and ovaries who was diagnosed with endometrial cancer and exhibited cervical invasion and ovarian metastasis. Her family history suggested Lynch syndrome, and genetic testing identified a variant of uncertain significance, MLH1 p.L582H. We conducted immunohistochemical staining, microsatellite instability analysis, and Sanger sequencing for Lynch syndrome-associated cancers in three generations of the family and identified consistent MLH1 loss. Whole-exome sequencing for the corpus, cervical, and ovarian tumors of the proband identified a copy-neutral loss of heterozygosity (LOH) occurring at the MLH1 position in all tumors. This indicated that the germline variant and the copy-neutral LOH led to biallelic loss of MLH1 and was the cause of cancer initiation. All tumors shared a portion of somatic mutations with high mutant allele frequencies, suggesting a common clonal origin. There were no mutations shared only between the cervix and ovary samples. The profiles of mutant allele frequencies shared between the corpus and cervix or ovary indicated that two different subclones originating from the corpus independently metastasized to the cervix or ovary. Additionally, all tumors presented unique mutations in endometrial cancer-associated genes such as ARID1A and PIK3CA. In conclusion, we demonstrated clonal origin and genomic diversity in a Lynch syndrome-associated endometrial cancer, suggesting the importance of evaluating multiple sites in Lynch syndrome patients with synchronous tumors.
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Affiliation(s)
- Kotaro Takahashi
- Department of Obstetrics and Gynecology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
- Department of Cancer Genome Research, Sasaki Institute, Tokyo, Japan
| | - Nozomi Yachida
- Department of Obstetrics and Gynecology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ryo Tamura
- Department of Obstetrics and Gynecology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Sosuke Adachi
- Department of Obstetrics and Gynecology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Shuhei Kondo
- Division of Pathology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Tatsuya Abé
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
- Division of Molecular and Diagnostic Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hajime Umezu
- Division of Pathology, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Hiromi Nyuzuki
- Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Shujiro Okuda
- Division of bioinformatics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hirofumi Nakaoka
- Department of Cancer Genome Research, Sasaki Institute, Tokyo, Japan
| | - Kosuke Yoshihara
- Department of Obstetrics and Gynecology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Matsuo K, Chen L, Neuman MK, Klar M, Roman LD, Wright JD. Low-grade endometrioid endometrial cancer with adnexal only metastasis: Evaluation of de-escalation of adjuvant therapy. Eur J Cancer 2024; 200:113533. [PMID: 38309016 DOI: 10.1016/j.ejca.2024.113533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/19/2023] [Accepted: 12/26/2023] [Indexed: 02/05/2024]
Abstract
OBJECTIVE To assess survival outcomes of stage IA3 endometrial cancer and the association of adjuvant therapy and survival. METHODS The National Cancer Database was retrospectively queried to examine 594 and 1455 patients with stage IA3 and IIIA1 endometrial cancer, respectively, from 2010-2015. Overall survival (OS) was examined based on adjuvant therapy: multimodal combination chemotherapy and external beam radiotherapy, chemotherapy alone, external beam radiotherapy alone, and none. RESULTS For stage IA3 disease, 109 (18.4%) patients did not receive adjuvant therapy. The 5-year OS rates for the no adjuvant therapy group and the combination group were 86.3% and 91.4%, respectively (adjusted-hazard ratio [aHR] 1.23, 95% confidence interval [CI] 0.70-2.18). This survival association was consistent when compared to chemotherapy alone (5-year OS rates 86.3% vs 86.3%, aHR 1.11, 95%CI 0.67-1.83). The results were similar among those who underwent nodal evaluation (5-year OS rates, 92.6%, 86.6%, and 89.4% for combination therapy, chemotherapy alone, and no adjuvant therapy), including grade 1 lesions (96.2%, 89.4%, and 100%, respectively). In grade 2 lesions, 5-year OR rates was modestly lower for no adjuvant therapy than combination therapy (89.4%, 84.0%, and 82.7% for combination, chemotherapy alone, and no adjuvant therapy, P = 0.03). For stage IIIA1 disease, omission of adjuvant therapy was associated with decreased OS compared to combination therapy (43.2% vs 73.1%, aHR 1.65, 95%CI 1.30-2.11) or chemotherapy alone (43.2% vs 67.1%, aHR 1.62, 95%CI 1.32-1.99). CONCLUSION The results of this investigation suggest that survival effects of adjuvant therapy differ for stage IA3 and IIIA1 diseases. Patients with stage IA3 disease have overall good prognosis regardless of adjuvant therapy particularly grade 1 lesions, partly supporting the FIGO committee suggestion for adjuvant therapy de-escalation in stage IA3 endometrial cancer.
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Affiliation(s)
- Koji Matsuo
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA.
| | - Ling Chen
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - Monica K Neuman
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA
| | - Maximilian Klar
- Department of Obstetrics and Gynecology, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Lynda D Roman
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA
| | - Jason D Wright
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons, New York, NY, USA.
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Gama Q, Luo S, Wu P, Wang L, Liu S, Zhang H, Sun L, Wang Y, Yu M, Chen X, Shan W, Luo X. The pregnancy and oncology outcome of fertility-sparing management for synchronous primary neoplasm of endometrium and ovary. J Ovarian Res 2023; 16:235. [PMID: 38062462 PMCID: PMC10704711 DOI: 10.1186/s13048-023-01316-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 11/26/2023] [Indexed: 12/18/2023] Open
Abstract
PURPOSE To investigate the efficacy of fertility-preserving treatment for young women with synchronous primary neoplasm of endometrium and ovary. METHODS We retrospectively reviewed eight patients with concurrent primary grade 1 presumed stage IA endometrioid endometrial adenocarcinoma (EEA) or endometrial atypical hyperplasia (EAH) and primary stage I ovarian tumors who underwent fertility-sparing treatment in the Obstetrics and Gynecology Hospital of Fudan University between April 2016 and December 2022. RESULTS Synchronous endometrial and ovarian cancers (SEOC) accounted for 50% of these eight patients. The median age of patients was 30.5 years (range, 28-34 years). None of them received chemotherapy. The median treatment time was 4 months (range, 3-8 months). 87.5% (7/8) cases achieved complete response (CR), and the median time to CR was 3.8 months (range, 1.5-7.7 months). Among patients who got CR, none of them showed any signs of recurrence. Pregnancies and successful deliveries were achieved in 4 of 5 patients. Till September 2023, the median follow-up period was 50.5 months (range:15.2-85.2 months). CONCLUSION Fertility-sparing treatment is feasible for highly selected patients with synchronous neoplasm of the endometrium and ovary, but strict screening and monitoring are mandatory. Though the results of our limited cases are encouraging, long follow-up and more clinical data are required. Enrolled patients must be fully informed of the risks during conservative treatment.
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Affiliation(s)
- Qujia Gama
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, 128 Shenyang Road, Yangpu District, Shanghai, 200090, P.R. China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
| | - Shuhan Luo
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, 128 Shenyang Road, Yangpu District, Shanghai, 200090, P.R. China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
| | - Pengfei Wu
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, 128 Shenyang Road, Yangpu District, Shanghai, 200090, P.R. China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
| | - Lulu Wang
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, 128 Shenyang Road, Yangpu District, Shanghai, 200090, P.R. China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
| | - Sijia Liu
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, 128 Shenyang Road, Yangpu District, Shanghai, 200090, P.R. China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
| | - Hongwei Zhang
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
- Department of Cervix, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200090, China
| | - Li Sun
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
- Department of Ultrasound, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200090, China
| | - Yiqin Wang
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
- Department of Pathology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200090, China
| | - Min Yu
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China
- Department of Assisted Reproduction, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200090, China
| | - Xiaojun Chen
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, 128 Shenyang Road, Yangpu District, Shanghai, 200090, P.R. China.
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China.
| | - Weiwei Shan
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, 128 Shenyang Road, Yangpu District, Shanghai, 200090, P.R. China.
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China.
| | - Xuezhen Luo
- Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, 128 Shenyang Road, Yangpu District, Shanghai, 200090, P.R. China.
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, 200090, China.
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Gan W, Bian C. The research progress on synchronous endometrial and ovarian carcinoma. Front Oncol 2023; 13:1291602. [PMID: 38144530 PMCID: PMC10748788 DOI: 10.3389/fonc.2023.1291602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 11/20/2023] [Indexed: 12/26/2023] Open
Abstract
Synchronous endometrial and ovarian carcinoma (SEOC) is the most common combination of primary double cancer in the female reproductive system. The etiology and pathogenesis of SEOC remain unclear, and clinically, it is often misdiagnosed as metastatic cancer, affecting the formulation of treatment plans and prognosis for patients. This article provides a review of its epidemiology, pathological and clinical characteristics, risk factors, pathogenesis, diagnosis, treatment, and prognosis.
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Affiliation(s)
- Wenli Gan
- Department of Gynecology and Obstetrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Gynecology and Obstetrics, Affiliated Hospital of Sichuan Nursing Vocational College (The Third People's Hospital of Sichuan Province), Chengdu, Sichuan, China
| | - Ce Bian
- Department of Gynecology and Obstetrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, Sichuan, China
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Žilovič D, Čiurlienė R, Šidlovska E, Vaicekauskaitė I, Sabaliauskaitė R, Jarmalaitė S. Synchronous endometrial and ovarian cancer: A case report. World J Clin Cases 2023; 11:4341-4349. [PMID: 37449219 PMCID: PMC10337002 DOI: 10.12998/wjcc.v11.i18.4341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 05/04/2023] [Accepted: 05/22/2023] [Indexed: 06/26/2023] Open
Abstract
BACKGROUND Synchronous endometrial and ovarian cancer (SEOC) is a rare genital tract tumor. Precise diagnosis is crucial for the disease management since prognosis and overall survival differ substantially between metastatic endometrial cancer (EC) or OC. In this review we present 2 cases of women who were diagnosed with SEOC, and discuss the clinical characteristic of SEOC, diagnostic and molecular profiling issues. Next generation sequencing of 10 gene panel was performed on cancerous tissue and uterine lavage samples.
CASE SUMMARY In our report patients with SEOC had endometroid type histology with early stage and low-grade histology for both EC and OC. They underwent surgical treatment and staging. Next-generation sequencing of 10 gene-panel identified CTNNB1, PIK3CA, and PTEN gene mutations in ovarian tissue in one case, while none of these genes were mutated in other case. Literature review in support to our data suggest a good prognosis for SEOC diagnosed at early stage.
CONCLUSION Accurate diagnosis of SEOC is essential for disease management and gene mutation analysis can be helpful as a complementary diagnostic and prognostic tool.
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Affiliation(s)
- Diana Žilovič
- Department of Oncogynecology, National Cancer Institute, Vilnius 08406, Lithuania
- Institute of Biosciences, Vilnius University, Vilnius 10222, Lithuania
- Laboratory of Clinical Oncology, National Cancer Institute, Vilnius 08406, Lithuania
| | - Rūta Čiurlienė
- Department of Oncogynecology, National Cancer Institute, Vilnius 08406, Lithuania
| | - Evelina Šidlovska
- National Center of Pathology, Affiliate of Vilnius University Hospital Santaros Klinikos, Vilnius 08406, Lithuania
| | - Ieva Vaicekauskaitė
- Institute of Biosciences, Vilnius University, Vilnius 10222, Lithuania
- Laboratory of Genetic Diagnostic, National Cancer Institute, Vilnius 08406, Lithuania
| | - Rasa Sabaliauskaitė
- Laboratory of Genetic Diagnostic, National Cancer Institute, Vilnius 08406, Lithuania
| | - Sonata Jarmalaitė
- Institute of Biosciences, Vilnius University, Vilnius 10222, Lithuania
- Laboratory of Genetic Diagnostic, National Cancer Institute, Vilnius 08406, Lithuania
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Hoorshad N, Nassiri S, Najibi S, Feizabad E, Zamani N. Synchronous endometrial and ovarian cancer and its recurrent risk factors: Case series. Cancer Treat Res Commun 2023; 36:100731. [PMID: 37429245 DOI: 10.1016/j.ctarc.2023.100731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/19/2023] [Indexed: 07/12/2023]
Abstract
BACKGROUND Synchronous endometrial and ovarian cancer (SEOC) is a relatively rare entity with indistinct clinical manifestation but have a better prognosis compared to metastatic malignancy of each organ. The aim of the study is to determine the prognosis and factors associated with recurrence of SEOC. METHODS This case-series study was performed on 37 histologically confirmed SEOC, diagnosed and treated in our tertiary hospital from March 2009 to September 2021. Disease-free survival (DFS) and overall survival (OS) rates following indicated procedure were calculated using the Kaplan-Meier method. Univariate and multivariate Cox regression analysis were used to determine risk factors of recurrence. RESULTS The mean age of participants was 49.38 (age range: 26-78). The most common complaints and symptoms were abdominal pain (40.5%), followed by abnormal uterine bleeding (29.7%). Most common histological presentation was endometroid type for both ovarian (46%) and endometrial (97.3%) cancers. Over the mean follow-up period of 85.54 months, 11 patients developed recurrence without mortality. Non-endometrioid histology of ovarian cancer, higher grade and stage of ovarian cancer, and omentum invasion were significantly associated with worse DFS in unvariate analysis. Lymphovascular invasion was the sole predictor of DFS in multivariate analysis. CONCLUSION While this study was not able to investigate the risk factors of overall survival associated with SEOC, the results of this study provides an overview of clinicopathological presentation of the disease and emphasizes the importance of lymphovascular invasion in determining prognosis and DFS in SEOC.
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Affiliation(s)
- Niloufar Hoorshad
- Department of Obstetrics and Gynecology, Tehran University of Medical Sciences, Tehran, Iran
| | - Saina Nassiri
- Department of Obstetrics and Gynecology, Tehran University of Medical Sciences, Tehran, Iran
| | - Shaparak Najibi
- Department of Obstetrics and Gynecology, Tehran University of Medical Sciences, Tehran, Iran
| | - Elham Feizabad
- Department of Obstetrics and Gynecology, Yas Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Narges Zamani
- Department of Gynecology Oncology, Vali-e-Asr Hospital, Tehran University of Medical Sciences, Tehran, Iran.
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Daley D, Padwick M, Mistry S, Malhotra V, Vikram RS, Stanciu P. Case report: Spontaneous remission of synchronous endometrial and ovarian cancers following pregnancy. Front Oncol 2022; 12:1001677. [DOI: 10.3389/fonc.2022.1001677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 11/01/2022] [Indexed: 12/03/2022] Open
Abstract
IntroductionEndometrial cancer is one of the most common malignancies affecting women. It is uncommonly diagnosed in young women, particularly in the absence of abnormal vaginal bleeding symptoms.Case presentationA 28-year-old woman was referred to our department with lower abdominal pain. Transvaginal ultrasound showed a complex right adnexal mass with mixed echogenicity. Magnetic resonance imaging (MRI) identified a right-sided, torted, cystic solid ovarian mass, and a polypoid lesion in the uterine cavity.DiagnosisFollowing multidisciplinary team advice, hysteroscopic transcervical resection of endometrial polypoid mass and laparoscopic right salpingo-oophorectomy was performed. Histopathologic assessment of the endometrial tissue showed changes consistent with grade 1 endometrioid endometrial carcinoma, while the right ovarian mass showed a well-differentiated endometrioid carcinoma.InterventionThe patient underwent hormonal treatment and surveillance whilst making a final decision regarding further surgical management. However, the patient stopped hormonal treatment after 2 weeks, went abroad and absconded from treatment for 8 months. On her return, she had conceived naturally and was in the first trimester of pregnancy. Further management was postponed until the patient was 7 weeks postnatal. The patient was not keen on any further surgical management and opted for close surveillance with ultrasound scans and hysteroscopies with endometrial biopsies. All subsequent endometrial biopsies showed normal endometrium, with no evidence of hyperplasia or malignancy.OutcomeTo date, the patient remains on a 6-monthly surveillance plan and is considered to have had complete natural remission of her endometrial and ovarian cancers following pregnancy.ConclusionThis unique case demonstrates a natural phenomenon, in which the complete, natural remission of endometrial and ovarian cancers occurred following pregnancy and childbirth. The aetiology may be related to the high progesterone levels occurring in pregnancy.
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Sakamoto I, Hirotsu Y, Amemiya K, Nozaki T, Mochizuki H, Omata M. Elucidation of genomic origin of synchronous endometrial and ovarian cancer (SEO) by genomic and microsatellite analysis. J Gynecol Oncol 2022; 34:e6. [PMID: 36245225 PMCID: PMC9807354 DOI: 10.3802/jgo.2023.34.e6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 07/23/2022] [Accepted: 08/29/2022] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE Elucidation of clonal origin of synchronous endometrial and ovarian cancers (SEOs). METHODS We reviewed 852 patients who diagnosed endometrial and/or ovarian cancer. Forty-five (5.3%) patients were diagnosed as SEOs. We evaluated blood and tissue samples from 17 patients. We analyzed the clonal origins of 41 samples from 17 patients by gene sequencing, mismatch microsatellite instability (MSI) polymerase chain reaction assay and immunohistochemical (IHC) staining of 4 repair genes. RESULTS Sixteen of 17 patients had at least 2 or more trunk mutations shared between endometrial and ovarian cancer suggesting the identical clonal origins. The shared trunk mutation are frequently found in endometrial cancer of the uterus, suggesting the uterine primary. Four out of 17 (24%) SEOs had mismatch repair (MMR) protein deficiency and MSI-high (MSI-H) states. One case was an endometrial carcinoma with local loss of MSH6 protein expression by IHC staining, and the result of MSI analysis using the whole formalin-fixed, paraffin-embedded specimen was microsatellite stable. In contrast, ovarian tissue was deficient MMR and MSI-H in the whole specimen. This indicated that MMR protein deficiency could occur during the progression of disease. CONCLUSION Most SEOs are likely to be a single tumor with metastasis instead of double primaries, and their origin could be endometrium. In addition, SEOs have a high frequency of MMR gene abnormalities. These findings not only can support the notion of uterine primary, but also can help to expect the benefit for patients with SEOs by immuno-oncology treatment.
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Affiliation(s)
- Ikuko Sakamoto
- Department of Obstetrics and Gynecology, Yamanashi Central Hospital, Kofu, Japan.,Genome Analysis Center, Yamanashi Central Hospital, Kofu, Japan.
| | - Yosuke Hirotsu
- Genome Analysis Center, Yamanashi Central Hospital, Kofu, Japan
| | - Kenji Amemiya
- Genome Analysis Center, Yamanashi Central Hospital, Kofu, Japan.,Department of Pathology, Yamanashi Central Hospital, Kofu, Japan
| | - Takahiro Nozaki
- Department of Obstetrics and Gynecology, Yamanashi Central Hospital, Kofu, Japan
| | | | - Masao Omata
- Genome Analysis Center, Yamanashi Central Hospital, Kofu, Japan.,Department of Gastroenterology, University of Tokyo, Tokyo, Japan
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Zou C, Li Q, Zhao J, Chen Y. Coexistence of malignant ovarian Brenner tumor and borderline mucinous cystadenoma, combined with primary uterine corpus endometrioid carcinoma: A case report and literature review. Oncol Lett 2022; 24:272. [PMID: 35782900 PMCID: PMC9247658 DOI: 10.3892/ol.2022.13392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 05/24/2022] [Indexed: 11/24/2022] Open
Abstract
Malignant Brenner tumor (MBT) of the ovary is a rare malignant ovarian tumor, whereas uterine corpus endometrioid carcinoma (UEC) constitutes one of the most common malignant tumors of the female reproductive system. The present study reported on a case of the coexistence of ovarian MBT and borderline mucinous cystadenoma combined with primary UEC. Therefore, the present case is a synchronous primary cancer of both ovary and endometrium. Although synchronous primary cancers of the endometrium and ovary are relatively uncommon, they are not rare; however, due to the rarity of MBT, this case was considered singular. To the best of our knowledge, this was the first-ever reported case of the coexistence of an ovarian MBT and borderline mucinous cystadenoma combined with primary UEC. Based on a review of the literature associated with the present case, its clinicopathological features, immunohistochemical phenotype, differential diagnosis, molecular changes, prognosis and treatment were summarized and discussed. The aim of the present study was to improve the understanding of this rare synchronous primary cancer of the ovary and endometrium so as to avoid future misdiagnosis.
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Affiliation(s)
- Cancan Zou
- Department of Pathology, Women and Children's Hospital of Chongqing Medical University, Chongqing 401147, P.R. China
| | - Qiong Li
- Department of Pathology, Women and Children's Hospital of Chongqing Medical University, Chongqing 401147, P.R. China
| | - Jingbo Zhao
- Anbiping (Chongqing) Pathological Diagnosis Center, Chongqing 400030, P.R. China
| | - Yanlin Chen
- Department of Pathology, Women and Children's Hospital of Chongqing Medical University, Chongqing 401147, P.R. China
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Synchronous Occurrence of Ovarian Seromucinous Carcinoma and Endometrial Mucinous Carcinoma: A Case Report. J UOEH 2021; 43:235-242. [PMID: 34092768 DOI: 10.7888/juoeh.43.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Endometrioid carcinoma is the most common histological type of concurrent synchronous cancers of the uterus and ovary. Here we report a case of synchronous seromucinous carcinoma of the ovary and mucinous carcinoma of the endometrium with a literature review. A 51-year-old multiparous female complained of irregular bleeding and shortness of breath. Computed tomography revealed a large pelvic mass that consisted of cystic and solid components, a tumor of the endometrium, and a large amount of pleural effusion. An endometrial biopsy indicated adenocarcinoma, and adenocarcinoma cells were found in the pleural fluid. The patient with advanced ovarian cancer or endometrial cancer with massive pleural effusion received three courses of neoadjuvant chemotherapy (NAC) with paclitaxel and carboplatin followed by interval debulking surgery (IDS). The NAC was effective, and IDS was performed with no gross residual lesions. The post-operative diagnosis was seromucinous carcinoma of the ovary in FIGO (2014) stage IVA (ypT3cNxM1a) and mucinous carcinoma of the endometrium in FIGO (2008) stage IA (ypT1aNXM0). Three courses of postoperative TC therapy were performed, and maintenance therapy with Bevacizumab is ongoing. The patient is well without evidence of recurrence, sixteen months after surgery.
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Shin W, Park SY, Kang S, Lim MC, Seo SS. How to manage synchronous endometrial and ovarian cancer patients? BMC Cancer 2021; 21:489. [PMID: 33933018 PMCID: PMC8088669 DOI: 10.1186/s12885-021-08220-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 04/20/2021] [Indexed: 11/16/2022] Open
Abstract
Backgrounds We aimed to evaluate the prognosis in patients with synchronous endometrial and ovarian cancer (SEOC) by comparing the differences between double primary cancer (DPC) and metastatic cancer (MC). Methods The medical records of 47 patients diagnosed synchronously with endometrial and ovarian cancer between January 2006 and December 2018 were retrospectively reviewed. Twenty-eight and 19 patients were diagnosed with DPC and MC, respectively. Demographics, recurrence-free survival (RFS), and 5-year overall survival (OS) were compared. The clinical factors affecting survival were evaluated using univariate and multivariate analyses. Results The demographics were not different between both groups. Endometrioid histology and the International Federation of Gynecology and Obstetrics grade were higher in the MC group than in the DPC group (42.1% vs. 10.7%; P = 0.018, P = 0.002, respectively). The ratio of post-operative adjuvant therapy was not different in both groups. Recurrence occurred in five patients with DPC and seven with MC. The difference in RFS was not significantly different (P = 0.131) but the OS was different between both groups (P = 0.020). Histology and para-aortic lymph node metastasis were associated wtih RFS in univariate analysis, but no difference was found in multivariate analysis. Conclusions Although DPC patients had longer OS, multivariate analysis did not identify any influential factors. Focus should be placed on defining the appropriate adjuvant treatment for high-risk patients, which will improve prognosis, rather than on discriminating between DPC and MC. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-08220-w.
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Affiliation(s)
- Wonkyo Shin
- Center for Gynecologic Cancer, Graduate School of Cancer Science and Policy, National Cancer Center, 323 Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do, 10408, Republic of Korea.,Department of Obstetrics & Gynecology, Chungnam national university sejong hospital, Sejong, Republic of Korea
| | - Sang-Yoon Park
- Center for Gynecologic Cancer, Graduate School of Cancer Science and Policy, National Cancer Center, 323 Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do, 10408, Republic of Korea.,Common Cancer Branch, Research Institute Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea
| | - Sokbom Kang
- Center for Gynecologic Cancer, Graduate School of Cancer Science and Policy, National Cancer Center, 323 Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do, 10408, Republic of Korea.,Precision Medicine Branch, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea.,Department of Cancer Control & Population Health, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea
| | - Myong Cheol Lim
- Center for Gynecologic Cancer, Graduate School of Cancer Science and Policy, National Cancer Center, 323 Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do, 10408, Republic of Korea.,Center for Clinical Trials, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea.,Cancer Healthcare Research Branch, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea
| | - Sang-Soo Seo
- Center for Gynecologic Cancer, Graduate School of Cancer Science and Policy, National Cancer Center, 323 Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do, 10408, Republic of Korea.
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Clonal relationship and directionality of progression of synchronous endometrial and ovarian carcinomas in patients with DNA mismatch repair-deficiency associated syndromes. Mod Pathol 2021; 34:994-1007. [PMID: 33328602 PMCID: PMC8076061 DOI: 10.1038/s41379-020-00721-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/25/2020] [Accepted: 10/26/2020] [Indexed: 01/01/2023]
Abstract
Sporadic synchronous endometrial (ECs) and ovarian cancers (OCs), although clinically considered to be independent primaries, have been shown to be clonally related and likely constitute metastases from each other. We sought to define whether synchronous ECs/OCs in patients with DNA mismatch repair (MMR)-deficiency syndromes would be clonally related. We subjected synchronous ECs/OCs from four patients (LS3-LS6) with clinically confirmed Lynch syndrome (LS) and one patient with constitutional mismatch repair-deficiency syndrome (CMMRD) to massively parallel sequencing targeting 468 cancer-related genes. Somatic mutations, copy number alterations (CNAs), clonal relatedness and clonal decomposition analyses were performed using previously described bioinformatics methods. All synchronous ECs/OCs analyzed were considered independent primaries based on clinicopathologic criteria. Sequencing analysis revealed that the ECs/OCs of three cases (LS2-CMMRD, L3, L4) harbored similar repertoires of somatic mutations and CNAs and were clonally related. In these three cases, a subset of subclonal mutations in the EC became clonal in the OC, suggesting that the EC was likely the substrate from which the OC developed. LS5's EC/OC had distinct mutational profiles but shared specific CNAs. In contrast, LS6's EC/OC harbored distinct somatic mutations and lacked CNAs, consistent with each tumor constituting an independent primary lesion. In LS5 and LS6, PTEN mutations and PTEN loss of protein expression were found to be restricted to the EC. Finally, re-analysis of sequencing data of sporadic synchronous ECs/OCs supported the observations made in the current study that the directionality of progression is likely from the endometrium to the ovary. In conclusion, contrary to sporadic synchronous ECs/OCs, which are almost invariably clonally related, ECs/OCs simultaneously involving the uterus and ovary in LS patients may represent distinct primary tumors. A subset of MMR-deficiency syndrome-related synchronous ECs/OCs, however, may originate from a single primary tumor at variance with their clinical diagnosis, with the endometrium being the likeliest site of origin.
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Preoperative predictive factor analysis of ovarian malignant involvement in premenopausal patients with clinical stage I endometrioid endometrial carcinoma. Sci Rep 2021; 11:1219. [PMID: 33441576 PMCID: PMC7806745 DOI: 10.1038/s41598-020-78953-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 11/20/2020] [Indexed: 11/25/2022] Open
Abstract
Earlier literature suggests that ovarian preservation in young premenopausal clinical stage I endometrioid endometrial carcinoma patients does not negatively impact prognosis. The main purpose of this study was to clarify the incidence of ovarian malignant involvement in this group and further identify potential preoperative predictive factors of ovarian malignant involvement. A total of 511 premenopausal (age ≤ 50 years) patients were enrolled for the study at Women’s Hospital, Zhejiang University School of Medicine, between January 2002 and December 2016. Ovarian malignant involvements were detected in 23 of the patients (4.5%). Univariate and multivariate logistic analysis validated preoperative imaging of myometrial invasion depth and preoperative serum carbohydrate antigen 125 (CA125) level as independent risk predictors of postoperative ovarian malignant involvement. Receiver operating characteristic (ROC) curves was generated for a combination of the two factors. The area under curve (AUC) was 0.772 (95% confidence interval [CI] 0.661–0.884) for the combined two factors. The incidence of postoperative ovarian malignant involvement was relatively minimal. Preoperative imaging of myometrial invasion depth and serum CA125 level were independent risk predictors of ovarian malignant involvement. These findings may facilitate preoperative counseling of patients and informed clinical decision-making on ovarian preservation in these patients.
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CTNNB1 p.L31P mutation in an ovarian endometrioid carcinoma with synchronous uterine endometrioid carcinoma. Pathol Res Pract 2020; 216:153260. [PMID: 33120166 DOI: 10.1016/j.prp.2020.153260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 11/20/2022]
Abstract
We performed next generation sequencing of DNA extracted from the neoplastic tissues obtained from a patient who underwent surgery for a large right ovarian carcinoma (OC) of endometrioid type associated with endometrial cancer (EC). This was done in order to ascertain whether the tumors were synchronous endometrial/ovarian cancers or an advanced metastatic stage from either the ovary or the uterus. Pathologic criteria favoured synchronous EC/OC. We identified a PTEN c.959 T > G (p.L320X) truncating mutation occurring with similar allele frequency in both neoplastic tissues (ovary: 88 %, endometrium 89 %) and a CTNNB1 c.100C > G (p.S37C) activating mutation, with a comparable allelic frequency in both tumor tissues (ovary 51 %, endometrium 52 %). The shared genetic mutations, and the presence of PTEN c.959 T > G (p.L320X) truncating mutation, albeit at low allelic frequency (6 %), in the healthy peritumoral endometrial tissue, appear to confirm the recent literature on a primary endometrial origin for synchronous EC/OC. A third mutation was CTNNB1 c.92 T > C (p.L31 P), a missense mutation occurring with a low allele frequency (3.7 %) only in the ovarian cancer tissue. This mutation is only occasionally described in hepatocellular carcinomas.
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Khalid N, Ullah F, Zafar H, Anwer AW, Abbas T, Shakeel O, Faisal M, Sadaf T, Syed AA. Synchronous Primary Endometrial and Ovarian Cancers: Trends and Outcomes of the Rare Disease at a South Asian Tertiary Care Cancer Center. Cureus 2020; 12:e9163. [PMID: 32802600 PMCID: PMC7419146 DOI: 10.7759/cureus.9163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Background and objective The incidence of synchronous primary endometrial and ovarian cancer is uncommon and poses a diagnostic challenge to the treating physician about their origin as either primary or metastasis. The purpose of this study was to evaluate the clinicopathological behavior, treatment modality-related outcomes, and prognosis related to primary endometrial and ovarian cancers at a tertiary care referral center in South Asia. Methods We retrospectively analyzed 30 patients with synchronous ovarian and endometrial cancers treated at Shaukat Khanum Memorial Cancer Hospital and Research Centre in Lahore, Pakistan from January 2005 to August 2017. Results The median age of the patients at the time of diagnosis was 51 years (range: 25-72 years). The common presenting symptoms were irregular uterine bleeding (30%), post-menopausal bleeding (26.7%), abdominal mass (16.7%), and abdominal pain (26.7%). Endometrial adenocarcinoma type was the most common histological variant found among the participants: 90% (n=27) of uterine and 56.7% (n=17) of ovarian cancers. All patients underwent surgical intervention. Among them, 25 patients received platinum-based adjuvant chemotherapy, four received neoadjuvant chemotherapy, and 18 received adjuvant radiotherapy. The early-stage group [International Federation of Gynecology and Obstetrics (FIGO) stage I and II] had a more favorable prognosis than the advanced stage group (FIGO stages III and IV). Conclusion Based on our findings, patients with synchronous primary endometrial and ovarian cancers have better overall survival rates than patients with single primary ovarian or endometrial cancers. Also, synchronous primary endometrial and ovarian cancer endometroid types have better overall survival than patients with non-endometrioid or mixed histologic types.
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Affiliation(s)
- Nazish Khalid
- Surgical Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK
| | - Faizan Ullah
- Surgical Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK
| | - Hania Zafar
- Obstetrics and Gynecology, The Indus Hospital, Lahore, PAK.,Obstetrics and Gynecology, Nishtar Medical College and Hospital, Multan, PAK
| | - Abdul Wahid Anwer
- Surgical Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK
| | - Taskheer Abbas
- Radiation Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK
| | - Osama Shakeel
- Surgical Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK
| | - Muhammad Faisal
- Head and Neck Diseases, Evangelisches Krankenhaus, Vienna, AUT.,Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK
| | - Tabinda Sadaf
- Radiation Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK
| | - Aamir Ali Syed
- Surgical Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK
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Datta A, Thomas A, George R, Sebastian A, Thomas V, Thomas DS, Ram TS, Daniel S, Karuppusami R, Peedicayil A. Synchronous Tumours in Gynaecological Malignancies. INDIAN JOURNAL OF GYNECOLOGIC ONCOLOGY 2020. [DOI: 10.1007/s40944-020-00399-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Celik E, Goksever Celik H, Sozen H, Onder S, Baktiroglu M, Topuz S, Salihoglu MY. Does endometriosis have an effect on the survival of women with synchronous endometrial and ovarian cancer? JOURNAL OF ENDOMETRIOSIS AND PELVIC PAIN DISORDERS 2019. [DOI: 10.1177/2284026519893537] [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
Purpose: Synchronous endometrial and ovarian cancer is defined as the concurrent presence of ovarian cancer with endometrial cancer. We aimed to evaluate whether there is an effect of endometriosis on progression-free survival and overall survival of women with synchronous endometrial and ovarian cancer. We also compared these findings with the patients having endometrial-only tumors and ovarian-only tumors. Methods: The patients who underwent surgery for endometrioid or clear-cell endometrial-only tumors and/or ovarian-only tumors and synchronous endometrial and ovarian cancer between 2005 and 2016 were included in this cohort study. The effect of the presence of endometriosis on progression-free survival and overall survival in these women who met the criteria was determined using statistical methods. Women were also compared regarding their demographic, clinical, and pathological characteristics. Results: A total of 176 patients were included in this study. All histology types of tumors located in endometrium or ovary were endometrioid or clear-cell cancer. Endometriosis was present in 62 patients (35.2%), whereas adenomyosis was present in 44 patients (25%). Endometriosis was diagnosed more frequently in women with ovarian-only tumors and synchronous endometrial and ovarian cancer than those with endometrial-only tumors (59.2% vs 5.7%, p < 0.001 and 45.7% vs 5.7%, p < 0.001, respectively). The patients with endometriosis showed no significantly longer progression-free survival and overall survival (hazard ratio = 1.70; 95% confidence interval = 0.48–6.03; p = 0.408 and hazard ratio = 1.67; 95% confidence interval = 0.30–9.44; p = 0.562, respectively). The presence of endometriosis was a stronger predictor for progression-free survival and overall survival comparing with the presence of adenomyosis. Conclusion: The women with synchronous endometrial and ovarian cancer should be informed that endometriosis has no detrimental effect on progression-free survival and overall survival.
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Affiliation(s)
- Engin Celik
- Department of Gynecologic Oncology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Hale Goksever Celik
- Department of Obstetrics and Gynecology, Saglik Bilimleri University Istanbul Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey
| | - Hamdullah Sozen
- Department of Gynecologic Oncology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Semen Onder
- Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Merve Baktiroglu
- Department of Gynecologic Oncology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Samet Topuz
- Department of Gynecologic Oncology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Mehmet Yavuz Salihoglu
- Department of Gynecologic Oncology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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Incidence of Mismatch Repair Protein Deficiency and Associated Clinicopathologic Features in a Cohort of 104 Ovarian Endometrioid Carcinomas. Am J Surg Pathol 2019; 43:235-243. [PMID: 30256257 DOI: 10.1097/pas.0000000000001165] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Patients with Lynch syndrome have up to a 24% risk of developing ovarian carcinoma, but universal mismatch repair (MMR) protein testing of ovarian carcinomas is not standard practice in most institutions. We reviewed 104 unselected ovarian endometrioid carcinomas (OEC) for various clinicopathologic features to determine if any are predictive of MMR loss. Immunohistochemistry for all 4 MMR proteins was performed followed by MLH1 promoter methylation analysis when indicated. Overall, patients had a mean age of 55 years and tumors averaged 12 cm. Most (72%) patients had stage I tumors, 63% were grade 1, and 30% had a synchronous stage IA endometrial endometrioid carcinoma. Peritumoral lymphocytes and intratumoral stromal inflammation were rare, but tumor-infiltrating lymphocytes averaged 47/10 high-power fields. Endometriosis was noted in 71%, adenofibromatous background in 14%, and both in 14% of tumors. Metaplastic changes were common and included squamous metaplasia (63%), clear cell change (32%), mucinous differentiation (24%), and sex cord-like elements (13%). When follow-up was available (n=99), 78% of patients were alive and well, 12% died from disease, 6% died from other causes, and 4% were alive with disease. Unmethylated, MMR-deficient OECs were identified in 7% of the cohort and included MSH2/MSH6 (n=4), MSH6 (n=2), and PMS2 (n=1). All these tumors were stage I, 71% grade 1, and 57% had a synchronous endometrial endometrioid carcinoma. Among patients in this group with follow-up (n=5), all were alive without evidence of disease (mean 150 mo). Given that no clinicopathologic features were associated with MMR deficiency on univariate analysis, this study highlights the importance of universal MMR screening in OECs.
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20
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Wang DD, Yang Q. Synchronous quadruple primary malignancies of the cervix, endometrium, ovary, and stomach in a single patient: A case report and review of literature. World J Clin Cases 2019; 7:3364-3371. [PMID: 31667193 PMCID: PMC6819305 DOI: 10.12998/wjcc.v7.i20.3364] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 09/05/2019] [Accepted: 09/11/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The diagnosis of multiple primary malignancies (MPMs) has increased due to the improvements and development of diagnostic techniques, in conjunction with extended life span. Notably however, reports of synchronous quadruple primary malignancies remain extremely rare.
CASE SUMMARY Herein we describe the case of a 56-year-old woman who was diagnosed with synchronous quadruple multiple primary cancers, namely an endocervical adenocarcinoma admixed with neuroendocrine features, localized endometrial endometrioid adenocarcinoma, unilateral endometrioid ovarian carcinoma, and gastric adenocarcinoma. All four of these tumors were removed in one combined surgical procedure.
CONCLUSION To our knowledge the above-described combination of multiple synchronous primary malignancies has not been previously reported. The nature of the association between them is unknown. Further research should focus on the etiology and mechanisms involved in MPMs.
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Affiliation(s)
- Dan-Dan Wang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China
| | - Qing Yang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China
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Moro F, Leombroni M, Pasciuto T, Trivellizzi IN, Mascilini F, Ciccarone F, Zannoni GF, Fanfani F, Scambia G, Testa AC. Synchronous primary cancers of endometrium and ovary vs endometrial cancer with ovarian metastasis: an observational study. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2019; 53:827-835. [PMID: 30620432 DOI: 10.1002/uog.20213] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/21/2018] [Accepted: 12/24/2018] [Indexed: 06/09/2023]
Abstract
OBJECTIVE To compare the ultrasound characteristics of patients with synchronous primary cancers of the endometrium and ovary vs those of patients with endometrial cancer with ovarian metastasis. METHODS This was a single-institution retrospective observational study of patients with a histological diagnosis of endometrial cancer and an ovarian malignant mass, who had undergone preoperative ultrasound examination at our unit. Based on the histological diagnosis, patients were classified into two groups: those with synchronous primary cancers of the endometrium and ovary (synchronous group) and patients with endometrial cancer with ovarian metastasis (metastasis group). We compared the ultrasound features of ovarian malignant masses and of endometrial cancers between the two groups. Student's t-test, Mann-Whitney U-test, χ2 test or Fisher's exact test were used for comparisons of variables between the two histological groups, as appropriate. RESULTS We identified 131 patients, of whom 51 had synchronous primary cancers of the endometrium and ovary (synchronous group) and 80 had endometrial cancer with ovarian metastasis (metastasis group). On ultrasound examination, ovarian masses in the synchronous group were more often multilocular-solid and less often bilateral than those in the metastasis group. With respect to the ultrasound features of the endometrial lesions, the median largest diameter was 29 (range, 11-118) mm in the synchronous group in comparison with 51.5 (range, 6-150) mm in the metastasis group (P < 0.0001). Endometrial lesions in the synchronous group presented more often with no myometrial infiltration and less often with a multiple-vessel pattern on color Doppler compared with the endometrial lesions in the metastasis group. CONCLUSIONS Synchronous primary cancers of the endometrium and ovary have significantly different sonomorphological patterns compared with endometrial cancer with ovarian metastasis. Ovarian masses in women with synchronous primary cancers of the endometrium and ovary appeared as unilateral multilocular-solid or solid masses, whereas ovarian masses in women with endometrial cancer with ovarian metastasis were mostly bilateral solid masses. The different sonomorphology of these two cancers may facilitate their preoperative identification, helping the surgeon to determine optimum management for the patient. Copyright © 2019 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- F Moro
- Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - M Leombroni
- Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
- Dipartimento di Medicina e Scienze dell'Invecchiamento, Università G. d'Annunzio, Chieti-Pescara, Italy
| | - T Pasciuto
- Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - I N Trivellizzi
- Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - F Mascilini
- Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - F Ciccarone
- Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - G F Zannoni
- Instituto di Istopatologia, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - F Fanfani
- Dipartimento di Medicina e Scienze dell'Invecchiamento, Università G. d'Annunzio, Chieti-Pescara, Italy
| | - G Scambia
- Dipartimento Scienze della Salute della Donna e del Bambino, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - A C Testa
- Istituto di Ginecologia e Ostetricia, Università Cattolica del Sacro Cuore, Rome, Italy
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Khoiwal K, Gaurav A, Tiwari S, Chaturvedi J, Singh A. Synchronous Primary Malignancy of Female Genital Tract: A Report of Two Cases and Review of Literature. J Midlife Health 2019; 10:51-54. [PMID: 31001059 PMCID: PMC6459065 DOI: 10.4103/jmh.jmh_138_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Synchronous primary tumors of female genital tract is a rare phenomenon. We present two cases of anatomically related yet histologically unrelated tumors. The first patient is a 57 years postmenopausal female with synchronous low grade papillary urothelial carcinoma of the bladder and endometrioid adenocarcinoma of the endometrium. The second patient is a 55 years old lady with independent primary endometriod adenocarcinoma arising from endometrium and ovary. Exact diagnosis and timely intervention is the key of management in cases of synchronous tumors. These tumors have better survival rates and positive outcome if correctly diagnosed and differentiated from metastatic tumors.
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Affiliation(s)
- Kavita Khoiwal
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Amrita Gaurav
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Shagun Tiwari
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Jaya Chaturvedi
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Ashok Singh
- Department of Pathology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
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Combination of Scoring Criteria and Whole Exome Sequencing Analysis of Synchronous Endometrial and Ovarian Carcinomas. Int J Gynecol Cancer 2019; 28:704-712. [PMID: 29498984 DOI: 10.1097/igc.0000000000001227] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES The purpose of this study was to distinguish synchronous primary endometrial and ovarian carcinomas from single primary tumor with metastasis by clinical pathologic criteria and whole exome sequencing (WES). MATERIAL AND METHODS Fifty-two patients with synchronous endometrial and ovarian carcinomas (SEOCs) between 2010 and 2017 were reviewed and subjected to WES. RESULTS On the basis of the Scully criteria, 11 cases were supposed as synchronous primary endometrial and ovarian carcinomas, 38 cases as single primary tumor with metastasis, and the remaining 3 cases (S50-S52) cannot be defined. Through a quantization scoring analysis, 9 cases that were scored 0-1 point were defined as synchronous primary endometrial and ovarian carcinomas, and 42 cases that were scored 3-8 points were defined as single primary tumor with metastasis. Two of the undefined cases were classified into metastatic disease, and another one that scored 2 points (S52) was subjected to WES. S52 was deemed synchronous primary endometrial and ovarian carcinomas, with few shared somatic mutations and overlapping copy number varieties. The finding of a serous component examined from the uterine endometrium samples further illustrated that the case was synchronous primary endometrial and ovarian carcinomas. CONCLUSION By scoring criterion, SEOCs were divided into 2 groups: synchronous primary endometrial and ovarian carcinoma group and single primary tumor with metastasis group. The analysis of clonality indicated that the case that scored 2 (S52) can be considered as synchronous primary endometrial and ovarian carcinomas. Scoring criteria of clinical pathology, along with the study of the WES, may further identify the classification of SEOCs.
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Wang T, Zhang X, Lu Z, Wang J, Hua K. Comparison and analysis of the clinicopathological features of SCEO and ECOM. J Ovarian Res 2019; 12:10. [PMID: 30700327 PMCID: PMC6352368 DOI: 10.1186/s13048-019-0485-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 01/22/2019] [Indexed: 01/23/2023] Open
Abstract
Objective The aim of our study was to evaluate and compare the differences in the clinicopathological variables and overall survival (OS) of synchronous primary cancers of the endometrium and ovary (SCEO) and endometrial cancer with ovarian metastasis (ECOM). In addition, we aimed to determine the characteristics of and effective treatments for patients with SCEO to avoid misdiagnosis and overtreatment. Materials and methods A review of medical records from January 2009 to January 2017 revealed 111 patients with coexisting ovarian and endometrial carcinoma diagnosed at the Obstetrics and Gynecology Hospital of Fudan University. Clinicopathological variables were analysed using the Chi square test and Student’s t test. The survival rate was estimated using the Kaplan-Meier method, and statistical significance was analysed using the logarithmic rank test (univariate analysis). Results There were 51 cases of SCEO and 60 cases of ECOM. The mean age at diagnosis was 53.96 years and 55.41 years, respectively. There were no differences in age, menopausal status, BMI, CA125 level or complaints between the two groups. The 5-year survival rates were 58.8 and 36.7%, respectively (P < 0.001). Significant differences were found in the endometrial tumour classification, ovarian cancer stage, and lymph node and omentum metastasis between SCEO and ECOM. Conclusions The differences found between SCEO and ECOM are of great clinical significance. Our results reveal useful prognostic and clinicopathological features. More aggressive therapies should be administered to both SCEO and ECOM patients, especially elderly patients and those with menopause, endometrial tumours, advanced omentum metastasis, and lymph node dissection.
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Affiliation(s)
- Ting Wang
- Department of Gynecology, obstetrics and gynecology hospital, Fudan university, Shanghai, 200,090, China
| | - Xiaodan Zhang
- Department of Gynecology, obstetrics and gynecology hospital, Fudan university, Shanghai, 200,090, China
| | - Zhiying Lu
- Department of Gynecology, obstetrics and gynecology hospital, Fudan university, Shanghai, 200,090, China
| | - Junyan Wang
- Department of Gynecology, obstetrics and gynecology hospital, Fudan university, Shanghai, 200,090, China
| | - Keqin Hua
- Department of Gynecology, obstetrics and gynecology hospital, Fudan university, Shanghai, 200,090, China.
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Turashvili G, Gómez-Hidalgo NR, Flynn J, Gonen M, Leitao MM, Soslow RA, Murali R. Risk-based stratification of carcinomas concurrently involving the endometrium and ovary. Gynecol Oncol 2019; 152:38-45. [PMID: 30413340 PMCID: PMC6321787 DOI: 10.1016/j.ygyno.2018.10.033] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 10/19/2018] [Accepted: 10/23/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Determining whether carcinomas concurrently involving endometrium and ovary are independent primary tumors (IPTs) or endometrial carcinomas with ovarian metastases (at least stage IIIA endometrial cancers, IIIA-EC) using clinicopathologic criteria is often challenging. Recent genomic studies showed that most such tumors are clonally related. We sought to identify clinicopathologic features associated with clinical outcomes, and to separate women with these tumors into clinically low-risk and high-risk groups. METHODS We reviewed clinical and pathologic data from 74 women who, between 1993 and 2014, underwent primary surgery for endometrial cancer and had concurrent ovarian involvement. RESULTS The endometrial carcinomas were endometrioid (EECs, n = 41) or non-endometrioid (ENECs, n = 33). Nineteen (26%) cases were originally classified as IPTs using clinicopathologic criteria. Multivariate analysis revealed that lymph node involvement (hazard ratio (HR) = 2.38, 95% CI 1.13-5.02, p = 0.023) and non-endometrioid endometrial tumor histology (HR = 6.27, 95% CI 2.6-15.13, p < 0.001) were associated with poorer progression-free survival (PFS). Multivariate analysis of 65 women with known lymph node status revealed two prognostically distinct groups: a high-risk group comprising ENECs with ≥50% myometrial invasion irrespective of lymph node status (n = 21; median PFS 12.7 months, 95% CI, 9.24-19.8); and a low-risk group consisting of all EECs, as well as lymph node-negative ENECs with <50% myometrial invasion (n = 44, median PFS not reached). The risk-based classification was superior to the original classification of endometrial cancers as IPTs vs. IIIA-EC for predicting PFS (log-rank test, p < 0.001 vs. p = 0.07). CONCLUSION Our proposed risk-based stratification enables categorization of women with concurrent endometrial and ovarian tumors according to their likely clinical outcomes.
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Affiliation(s)
- Gulisa Turashvili
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Jessica Flynn
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mithat Gonen
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mario M Leitao
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA; Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY, USA
| | - Robert A Soslow
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Rajmohan Murali
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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Blake Gilks C, Singh N. Synchronous carcinomas of endometrium and ovary: A pragmatic approach. Gynecol Oncol Rep 2018; 27:72-73. [PMID: 30723764 PMCID: PMC6354202 DOI: 10.1016/j.gore.2018.12.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 12/27/2018] [Indexed: 10/27/2022] Open
Affiliation(s)
- C Blake Gilks
- Dept. of Pathology and Laboratory Medicine, Vancouver General Hospital and University of British Columbia, Vancouver, BC, Canada
| | - Naveena Singh
- Dept of Cellular Pathology, BartsHealth NHS Trust, London, UK
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Synchronous endometrioid endometrial and ovarian carcinomas are biologically related: A clinico-pathological and molecular (next generation sequencing) study of 22 cases. Oncol Lett 2018; 17:2207-2214. [PMID: 30675285 PMCID: PMC6341770 DOI: 10.3892/ol.2018.9855] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 12/05/2018] [Indexed: 12/16/2022] Open
Abstract
The criteria for distinction between independent primary tumors and metastasis from one site to the other in synchronous endometrioid endometrial and ovarian carcinoma (SEO) has been a matter of dispute for a long time. In our study we performed a comprehensive clinico-pathological and molecular analysis of 22 cases of SEO. Based on conventional clinico-pathological criteria the cases were classified as independent primary tumors (10 cases) and metastasis from one location to the other (12 cases). All tumors were analyzed by NGS with a panel of 73 genes (219 kbp). Clonal origin was confirmed in all cases by at least one shared mutation in PTEN, AKT1, PIK3CA, KRAS, TP53 and ARID1A. Two patients carried germline pathogenic mutation in cancer-predisposing genes BRCA1 or BARD1. Microsatellite instable phenotype was detected in 5/22 (22.7%) SEO, but in one case only in the endometrial tumor. In conclusion, our results showed that all 22 SEOs were clonally related, irrespectively of their clinico-pathological features. Even low grade and low stage tumors classified as independent primaries, according to the conventional morphological criteria, have a clonal origin. From the practical point of view, only the conventional morphological criteria should be used for the classification (staging) of these tumors. However, molecular profiling of these tumors may have prognostic and predictive meaning.
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Nakra T, Biswas R, Pandey R, Yadav R. Synchronous endometrioid carcinoma of the endometrium and small cell neuroendocrine carcinoma of the cervix: a rare combination. BMJ Case Rep 2018; 2018:bcr-2018-227155. [PMID: 30413462 DOI: 10.1136/bcr-2018-227155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Synchronous multiple primaries of female genital tract are uncommon, with the most frequently encountered combination being of endometrium and ovary. Concurrent primary tumours of endometrium and cervix are rare. We report a case of coexistent endometrioid carcinoma of the endometrium and small cell neuroendocrine carcinoma of the cervix in 48-year-old woman who presented with menometrorrhagia and was detected to have metastases to distant sites on imaging. She underwent multimodality treatment which resulted in a significant reduction in the tumour bulk.
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Affiliation(s)
- Tripti Nakra
- Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Rituparna Biswas
- Radiotherapy, All India Institute of Medical Sciences, New Delhi, India
| | - Rambha Pandey
- Radiation Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Rajni Yadav
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
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Takeda T, Banno K, Yanokura M, Anko M, Kobayashi A, Sera A, Takahashi T, Adachi M, Kobayashi Y, Hayashi S, Nomura H, Hirasawa A, Tominaga E, Aoki D. Synchronous endometrial and ovarian cancer in Lynch syndrome with a MSH2 germline mutation: A case report. Mol Clin Oncol 2018; 9:479-484. [PMID: 30402230 PMCID: PMC6201051 DOI: 10.3892/mco.2018.1723] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 09/17/2018] [Indexed: 12/21/2022] Open
Abstract
Synchronous endometrial and ovarian cancer (SEOC) is a rare entity among gynecological cancers, which exhibits endometrioid histology in its early stages and generally has a good prognosis. However, diagnosis is difficult and recent reports have demonstrated that most clinically diagnosed cases of SEOC have clonally related cancers, indicating metastatic cancer. The association of SEOC with Lynch syndrome is also not clearly understood. We herein present the case of a 41-year-old SEOC patient with MSH2 mutation. The endometrial cancer was an endometrioid adenocarcinoma and the ovarian cancer was mainly endometrioid, but also included a clear cell carcinoma with a borderline clear cell adenofibromatous component, indicating primary ovarian cancer. Both tumors exhibited microsatellite instability (MSI) and loss of expression of MSH2 and MSH6. The patient had a family history of colorectal and gastric cancers. Genetic analysis revealed a germline mutation in exon 6 of MSH2 (c.1042C>T, p.Gln348*) and the patient was diagnosed with Lynch syndrome. This MSH2 mutation has only been registered in one case in the InSiGHT variant databases and has not been reported in a gynecological tumor or SEOC to date. This case is a rare example of a patient with genetically diagnosed Lynch syndrome who also developed SEOC. This synchronous cancer is not common, but it may be caused by Lynch syndrome. Testing for MSI and immunohistochemistry for mismatch repair deficiency is necessary in cases with suspected SEOC.
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Affiliation(s)
- Takashi Takeda
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Kouji Banno
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Megumi Yanokura
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Mayuka Anko
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Arata Kobayashi
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Asako Sera
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Takayuki Takahashi
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Masataka Adachi
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Yusuke Kobayashi
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Shigenori Hayashi
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Hiroyuki Nomura
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Akira Hirasawa
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Eiichiro Tominaga
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Daisuke Aoki
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo 160-8582, Japan
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Perrone AM, Girolimetti G, Procaccini M, Marchio L, Livi A, Borghese G, Porcelli AM, De Iaco P, Gasparre G. Potential for Mitochondrial DNA Sequencing in the Differential Diagnosis of Gynaecological Malignancies. Int J Mol Sci 2018; 19:ijms19072048. [PMID: 30011887 PMCID: PMC6073261 DOI: 10.3390/ijms19072048] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 07/10/2018] [Accepted: 07/11/2018] [Indexed: 12/27/2022] Open
Abstract
In the event of multiple synchronous gynecological lesions, a fundamental piece of information to determine patient management, prognosis, and therapeutic regimen choice is whether the simultaneous malignancies arise independently or as a result of metastatic dissemination. An example of synchronous primary tumors of the female genital tract most frequently described are ovarian and endometrial cancers. Surgical findings and histopathological examination aimed at resolving this conundrum may be aided by molecular analyses, although they are too often inconclusive. High mitochondrial DNA (mtDNA) variability and its propensity to accumulate mutations has been proposed by our group as a tool to define clonality. We showed mtDNA sequencing to be informative in synchronous primary ovarian and endometrial cancer, detecting tumor-specific mutations in both lesions, ruling out independence of the two neoplasms, and indicating clonality. Furthermore, we tested this method in another frequent simultaneously detected gynecological lesion type, borderline ovarian cancer and their peritoneal implants, which may be monoclonal extra-ovarian metastases or polyclonal independent masses. The purpose of this review is to provide an update on the potential use of mtDNA sequencing in distinguishing independent and metastatic lesions in gynecological cancers, and to compare the efficiency of molecular analyses currently in use with this novel method.
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Affiliation(s)
- Anna Myriam Perrone
- Unit of Oncologic Gynecology, Sant Orsola-Malpighi Hospital, via Massarenti 13, 40138 Bologna, Italy.
| | - Giulia Girolimetti
- Unit of Medical Genetics, Department of Medical and Surgical Sciences (DIMEC), Sant Orsola Hospital, Pav.11, via Massarenti 9, 40138 Bologna, Italy.
| | - Martina Procaccini
- Unit of Oncologic Gynecology, Sant Orsola-Malpighi Hospital, via Massarenti 13, 40138 Bologna, Italy.
| | - Lorena Marchio
- Unit of Medical Genetics, Department of Medical and Surgical Sciences (DIMEC), Sant Orsola Hospital, Pav.11, via Massarenti 9, 40138 Bologna, Italy.
| | - Alessandra Livi
- Unit of Oncologic Gynecology, Sant Orsola-Malpighi Hospital, via Massarenti 13, 40138 Bologna, Italy.
| | - Giulia Borghese
- Unit of Oncologic Gynecology, Sant Orsola-Malpighi Hospital, via Massarenti 13, 40138 Bologna, Italy.
| | - Anna Maria Porcelli
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40138 Bologna, Italy.
| | - Pierandrea De Iaco
- Unit of Oncologic Gynecology, Sant Orsola-Malpighi Hospital, via Massarenti 13, 40138 Bologna, Italy.
| | - Giuseppe Gasparre
- Unit of Medical Genetics, Department of Medical and Surgical Sciences (DIMEC), Sant Orsola Hospital, Pav.11, via Massarenti 9, 40138 Bologna, Italy.
- Center for Applied Biomedical Research (CRBA), University of Bologna, 40138 Bologna, Italy.
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32
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Matsuo K, Machida H, Blake EA, Holman LL, Rimel BJ, Roman LD, Wright JD. Trends and outcomes of women with synchronous endometrial and ovarian cancer. Oncotarget 2018; 9:28757-28771. [PMID: 29983894 PMCID: PMC6033337 DOI: 10.18632/oncotarget.25550] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 05/16/2018] [Indexed: 12/20/2022] Open
Abstract
This retrospective observational study examined trends, characteristics, and survival of women with synchronous endometrial and ovarian cancer (SEOC) in the Surveillance, Epidemiology, and End Results Program between 1973 and 2013. Among 235,454 women with primary endometrial cancer, synchronous ovarian cancer was seen in 4,082 (1.7%) women with the proportion being decreased from 2.0% to 1.6% between 1983 and 2013 (P=0.049); and the proportion of concurrent endometrioid tumors in the two cancer sites has increased from 24.2% to 49.9% among SEOC women (P<0.001). When compared to endometrial cancer without synchronous ovarian cancer, endometrioid histology in the two cancer sites was associated with improved cause-specific survival while non-endometrioid histology in the ovarian cancer was associated with decreased cause-specific survival (adjusted-P<0.01). Among 110,063 women with primary epithelial ovarian cancer, synchronous endometrial cancer was seen in 3,940 (3.6%) women with the proportion being increased from 2.2% to 4.4% between 1973 and 2013 (P<0.001); and the proportion of concurrent endometrioid tumors in the two cancer sites had increased from 24.3% to 50.2% among SEOC women (P<0.001). When compared to primary epithelial ovarian cancer without synchronous endometrial cancer, SEOC was associated with better cause-specific survival if ovarian cancer is endometrioid type or if endometrial cancer is endometrioid type (adjusted-P<0.001). Across the two cohorts, the proportion of SEOC reached to the peak in the late-40 years of age and then decreased significantly (P<0.001). In conclusion, our study suggests that synchronous ovarian cancer has decreased among endometrial cancer whereas synchronous endometrial cancer has increased among epithelial ovarian cancer.
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Affiliation(s)
- Koji Matsuo
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA.,Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA
| | - Hiroko Machida
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA
| | - Erin A Blake
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA
| | - Laura L Holman
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Bobbie J Rimel
- Division of Gynecologic Oncology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Lynda D Roman
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA.,Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA
| | - Jason D Wright
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons, New York, NY, USA
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Hui P, Gysler SM, Uduman M, Togun TA, Prado DE, Brambs CE, Nallur S, Schwartz PE, Rutherford TJ, Santin AD, Weidhaas JB, Ratner ES. MicroRNA signatures discriminate between uterine and ovarian serous carcinomas. Hum Pathol 2018; 76:133-140. [PMID: 29518404 DOI: 10.1016/j.humpath.2018.02.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 02/18/2018] [Accepted: 02/22/2018] [Indexed: 12/26/2022]
Abstract
Synchronous endometrial and ovarian malignancies occur in 5% of women presenting with endometrial cancer and 10% of patients presenting with ovarian malignancy. When a high-grade serous carcinoma concurrently involves both ovary and endometrium, pathological determination of whether they are synchronous primaries or metastatic tumors from one primary site can be challenging. MicroRNAs (miRNA) are 22-nucleotide noncoding RNAs that are aberrantly expressed in cancer cells and may inherit their cellular lineage characteristics. We explored possible differential miRNA signatures that may separate high-grade ovarian serous carcinoma from primary endometrial serous carcinoma. Forty-seven samples of histologically pure high-grade serous carcinoma of both uterine (16 case) and ovarian primaries (31 cases) were included. Expression of 384 mature miRNAs was analyzed using ABI TaqMan Low-Density Arrays technology. A random forest model was used to identify miRNAs that together could differentiate between uterine and ovarian serous carcinomas. Among 150 miRNAs detectable at various levels in the study cases, a panel of 11-miRNA signatures was identified to significantly discriminate between ovarian and uterine serous carcinoma (P < .05). A nested cross-validated convergent forest plot using 6 of the 11 miRNA signature was eventually established to classify the tumors with 91.5% accuracy. In conclusion, we have characterized a miRNA signature panel in this exploratory study that shows significant discriminatory power in separating primary ovarian high-grade serous carcinoma from its endometrial counterpart.
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Affiliation(s)
- Pei Hui
- Department of Pathology, Yale University School of Medicine, New Haven, CT 06520, USA.
| | - Stefan M Gysler
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Gynecologic Oncology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Mohamed Uduman
- Interdepartmental Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT 06511, USA
| | - Taiwo A Togun
- Interdepartmental Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT 06511, USA
| | - Daniel E Prado
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT 06511; Faculty of Science, The Open University, Milton Keynes MK7 6AA, UK
| | - Christine E Brambs
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Gynecologic Oncology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Sunitha Nallur
- Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT 06511
| | - Peter E Schwartz
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Gynecologic Oncology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Thomas J Rutherford
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Gynecologic Oncology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Alessandro D Santin
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Gynecologic Oncology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Joanne B Weidhaas
- Department of Radiation Oncology, Division of Molecular and Cellular Oncology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Elena S Ratner
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Gynecologic Oncology, Yale University School of Medicine, New Haven, CT 06520, USA
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Basolo F, Pingitore R, Gadducci A. Osteosarcoma of the Myometrium Synchronous with Bilateral Papillary Cystadenocarcinoma of the Ovary and Papillary Adenocarcinoma of the Cervix. TUMORI JOURNAL 2018; 74:227-31. [PMID: 3163444 DOI: 10.1177/030089168807400219] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
We report an extremely rare case of a 60-year-old woman with myometrial osteosarcoma associated with bilateral papillary cystadenocarcinoma of the ovary and papillary adenocarcinoma of the cervix. The uterine osteosarcoma is the seventh case reported in the world, while it is the second case of syncronous triple primary tumors of the upper female genital tract. Clinical and pathological features of previously reported cases of uterine osteosarcoma and triple primary neoplasias of the upper female genital tract are critically reviewed.
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Affiliation(s)
- F Basolo
- Institute of Pathologic Anatomy and Histology, University of Pisa, Italy
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35
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Soslow RA, Murali R. A guided tour of selected issues pertaining to metastatic carcinomas involving or originating from the gynecologic tract. Semin Diagn Pathol 2018; 35:95-107. [PMID: 29248205 PMCID: PMC5821534 DOI: 10.1053/j.semdp.2017.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Epithelial metastases originating from the gynecologic tract or secondarily involving it frequently display a different morphology when compared to the primary tumor. Furthermore, issues such as modes of metastasis, appropriate nomenclature and prognostic significance remain subjects of discussion and some skepticism. In this review, we will discuss: metastases to uterine adnexa; serous tubal intraepithelial carcinoma (STIC); serous borderline tumors; metastases from the uterine corpus; and “synchronous” endometrial and ovarian tumors. Three additional themes that will run through the discussions are those that are peculiar, although not restricted to the gynecologic tract: metastasis from non-invasive primary tumors, metastases that look benign and metastases that are benign or clinically indolent.
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Affiliation(s)
- Robert A Soslow
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, United States.
| | - Rajmohan Murali
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, United States
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Clinicopathological Characteristics and Prognostic Factors of Synchronous Endometrial and Ovarian Cancers-A Single-Institute Review of 43 Cases. Int J Gynecol Cancer 2018; 27:938-946. [PMID: 28498249 DOI: 10.1097/igc.0000000000000971] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVES The objectives of our study were to demonstrate the clinicopathological characteristics and determine the prognostic factors for women with synchronous primary cancers of the endometrium and ovary. METHODS A retrospective analysis of 43 pathologically proven cases of synchronous primary endometrial and ovarian cancers diagnosed between January 2005 and December 2015 was carried out. Patients with uterine sarcomas, carcinosarcomas, borderline tumors, and nonepithelial tumors of the ovary and patients who received neoadjuvant chemotherapy were excluded from the study. Disease-free survival (DFS) and overall survival (OS) rates were calculated using the Kaplan-Meier method. Multivariate analysis to determine independent prognostic factors was performed using the Cox regression model. RESULTS Mean age at diagnosis was 48.49 years. The most common presenting symptom was abnormal uterine bleeding in 58.2% of the patients. Nineteen patients (44.2%) were obese, and 13 patients (30.2%) were overweight. Twelve patients (30%) were nulliparous, and 25 (58.2%) were premenopausal; 76.7% of the patients received adjuvant treatment after surgery. Mean follow-up period was 48.9 months. Twelve patients developed recurrence, and 7 patients died of recurrent disease. The 5-year DFS for all patients was 65.13%, and the 5-year OS was 79.75%. The 118-month DFS and 118-month OS were 65.13% and 72.50%, respectively. On multivariate analysis, grade 3 disease for both endometrial and ovarian cancers and presence of lymphovascular space invasion were associated with significantly worse 118-month DFS and OS, respectively. CONCLUSIONS Women with synchronous primary endometrial and ovarian cancers are young, nulliparous, obese, and premenopausal and have a favorable overall prognosis. Grade 3 disease at both sites and presence of lymphovascular space invasion are independent prognostic factors for recurrence and survival, respectively.
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Murali R, Delair DF, Bean SM, Abu-Rustum NR, Soslow RA. Evolving Roles of Histologic Evaluation and Molecular/Genomic Profiling in the Management of Endometrial Cancer. J Natl Compr Canc Netw 2018; 16:201-209. [PMID: 29439179 PMCID: PMC6639790 DOI: 10.6004/jnccn.2017.7066] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 11/29/2017] [Indexed: 11/17/2022]
Abstract
Endometrial cancers are the most common gynecologic malignancies. The staging of endometrial cancer has evolved from a clinical-based system to a comprehensive surgical-pathologic approach that allows for better risk stratification and treatment planning. Over the past few years, use of NCCN's sentinel lymph node (SLN) mapping algorithm for the surgical staging of endometrial cancer has gained significant acceptance and is now commonly applied in many practices. However, pathologic evaluation of prognostic factors is beset by challenges, including the reproducibility of histologic classification and FIGO's grading, as well as the questionable clinical significance of low-volume tumor in SLNs. With the revelation of major genomic classes of endometrial cancer comes the potential for improved, reproducible, and prognostically relevant classification schemes, which integrate traditional pathologic parameters with genomic findings, to aid in treatment decisions. Pathologic identification of new variants of endometrial cancer, such as undifferentiated carcinoma, continues to advance the phenotypic spectrum of these tumors, spurring genomic and functional studies to further characterize their mechanistic underpinnings and potentially reveal new avenues for treatment. In the era of precision medicine, pathologic assessment of biomarkers (eg, mismatch repair proteins) and recognition of phenotypes that are amenable to specific targeted therapies (such as POLE-mutated tumors) have become integral to the management of women with endometrial carcinoma.
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Affiliation(s)
- Rajmohan Murali
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Deborah F. Delair
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Sarah M. Bean
- Department of Pathology, Duke University School of Medicine, Durham, NC
| | - Nadeem R. Abu-Rustum
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of OB/GYN, Weill Cornell Medical College, New York, NY
| | - Robert A. Soslow
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
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Takeda T, Tsuji K, Banno K, Yanokura M, Kobayashi Y, Tominaga E, Aoki D. Screening for Lynch syndrome using risk assessment criteria in patients with ovarian cancer. J Gynecol Oncol 2018; 29:e29. [PMID: 29400022 PMCID: PMC5920216 DOI: 10.3802/jgo.2018.29.e29] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 12/26/2017] [Accepted: 01/15/2018] [Indexed: 01/13/2023] Open
Abstract
Objective Lynch syndrome is a cancer predisposition syndrome caused by germline mutation of DNA mismatch repair (MMR) genes. Lynch syndrome only causes about 0.4% of cases of ovarian cancer, which suggests that universal screening may not be cost-efficient. However, the frequency of Lynch syndrome in ovarian cancer is unclear in the Asian population. The goal of the study was to investigate a screening strategy using family history. Methods The subjects were 129 patients with ovarian cancer. Clinical and family history were collected using a self-administered questionnaire, and Society of Gynecologic Oncology (SGO) criteria 2007 and PREMM5 were used for risk assessment. Microsatellite instability, immunohistochemistry, and methylation of MMR genes were analyzed. Results Of the 129 cases, 25 (19.4%) met the SGO criteria, and 4 of these 25 had MSI-high and MMR deficiency. Two cases had loss of MSH2 and MSH6, indicating MSH2 mutation, and the other two had loss of MLH1 and PMS2, including one without MLH1 methylation indicating MLH1 mutation. These results show that screening using family history can detect Lynch syndrome in 12.0% (3/25) of ovarian cancer cases. The 3 cases were positive for PREMM5, but negative for Amsterdam II criteria and revised Bethesda guidelines. Genetic testing in one case with MSH2 and MSH6 deficiency confirmed the diagnosis of Lynch syndrome with MSH2 mutation. Conclusion This is the first study of screening for Lynch syndrome in ovarian cancer using clinical and family history in an Asian population. This approach may be effective for diagnosis in these patients.
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Affiliation(s)
- Takashi Takeda
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Kosuke Tsuji
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Kouji Banno
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan.
| | - Megumi Yanokura
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Yusuke Kobayashi
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Eiichiro Tominaga
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Daisuke Aoki
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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39
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Gilks CB, Kommoss F. Synchronous tumours of the female reproductive tract. Pathology 2017; 50:214-221. [PMID: 29249564 DOI: 10.1016/j.pathol.2017.10.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/10/2017] [Accepted: 10/12/2017] [Indexed: 12/20/2022]
Abstract
Many ovarian endometrioid carcinomas present with concurrent endometrial carcinoma, and these organ-confined, low-grade synchronous endometrial and ovarian tumours consistently behave as independent primary tumours, rather than a single advanced-stage carcinoma; they are associated with a very favourable prognosis and there is no need for adjuvant treatment. This phenomenon of synchronous tumours involving two or more sites within the female reproductive tract is well recognised, occurring in 1-2% of cases. Although some tumours can be recognised as metastasis, in many the relationship between the synchronous tumours is uncertain. Recently, application of next generation sequencing to synchronous endometrial and ovarian carcinomas has shed light on the relationship between these tumours, but raised more questions about the biology of this curious phenomenon. Herein, we review synchronous tumours involving more than one site in the female genital tract, discuss the pathogenesis, and offer guidelines for how to handle in routine practice.
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Affiliation(s)
- C Blake Gilks
- University of British Columbia, Department of Pathology and Laboratory Medicine, Vancouver, Canada; Vancouver General Hospital, Division of Anatomical Pathology, Vancouver, Canada.
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40
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Matias-Guiu X, Stewart CJR. Endometriosis-associated ovarian neoplasia. Pathology 2017; 50:190-204. [PMID: 29241974 DOI: 10.1016/j.pathol.2017.10.006] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 10/10/2017] [Accepted: 10/11/2017] [Indexed: 12/13/2022]
Abstract
This article reviews the most relevant pathological and molecular features of ovarian tumours that are associated with endometriosis. Endometriosis is a common condition, affecting 5-15% of all women, and it has been estimated that 0.5-1% of cases are complicated by neoplasia. The most common malignant tumours in this setting are endometrioid adenocarcinoma and clear cell adenocarcinoma, each accounting for approximately 10% of ovarian carcinomas in Western countries. A minority of cases are associated with Lynch syndrome. These carcinomas are often confined to the ovaries at presentation in which case they have relatively favourable outcomes. However, high-stage tumours, particularly clear cell carcinomas, generally have a poor prognosis and this partly reflects relative resistance to current treatment. Histological diagnosis is straightforward in the majority of cases but some variants, for example endometrioid carcinomas with sex cord-like appearances or oxyphil cells, may create diagnostic difficulty. Similarly, clear cell carcinomas can show a range of architectural and cytological patterns that overlap with other tumours, both primary and metastatic, involving the ovaries. Endometriosis-associated borderline tumours are less common, and they often show mixed patterns of differentiation (seromucinous tumours). Atypical endometriosis may represent an intermediate step in neoplastic progression and some of these lesions demonstrate immunohistological and molecular alterations similar to those observed in endometriosis-related tumours. ARID1A mutations are relatively common in all of these tumours, but each has additional characteristic molecular alterations which are likely to be of increasing clinical relevance as targeted therapies are developed. Less is known of the pathogenesis of rarer endometriosis-associated ovarian tumours including endometrioid stromal sarcoma, mesodermal (Müllerian) adenosarcoma, and carcinosarcoma. This article also briefly reviews the issue of synchronous endometrioid carcinomas of the endometrium and the ovary, including the most recent developments on pathogenesis.
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Affiliation(s)
- Xavier Matias-Guiu
- Department of Pathology, Hospital U Arnau de Vilanova and Hospital U de Bellvitge, IDIBELL, IRBLleida, University of Lleida, and CIBERONC, Spain
| | - Colin J R Stewart
- Department of Histopathology, King Edward Memorial Hospital, Perth, and School for Women's and Infants' Health, University of Western Australia, Perth, WA, Australia.
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Bartosch C, Pires M, Jerónimo C, Lopes JM. The role of pathology in the management of patients with endometrial carcinoma. Future Oncol 2017; 13:1003-1020. [PMID: 28481146 DOI: 10.2217/fon-2016-0570] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Pathology plays a critical role in every step in the management of endometrial carcinoma patients. In this review, we describe the state of the art of pathological examination, including examination of endometrium biopsy; intra-operative evaluation with gross examination and frozen section; and grossing of hysterectomy specimen and its histological and immunohistochemistry study. The main pathologic findings in each step are described, as well as limitations and difficulties that may ensue. We highlight the important pathologic parameters that determine treatment options and prognosis of endometrial cancer patients.
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Affiliation(s)
- Carla Bartosch
- Department of Pathology, Portuguese Oncology Institute of Porto, Porto, Portugal.,Department of Pathology and Oncology, Medical Faculty, University of Porto, Porto, Portugal.,Cancer Biology & Epigenetics Group, Research Center, Portuguese Oncology Institute of Porto, Porto, Portugal.,Porto Comprehensive Cancer Center (PCCC), Porto, Portugal
| | - Mónica Pires
- Porto Comprehensive Cancer Center (PCCC), Porto, Portugal.,Department of Gynecology, Portuguese Oncology Institute of Porto, Porto, Portugal
| | - Carmen Jerónimo
- Cancer Biology & Epigenetics Group, Research Center, Portuguese Oncology Institute of Porto, Porto, Portugal.,Porto Comprehensive Cancer Center (PCCC), Porto, Portugal.,Department of Pathology & Molecular Immunology, Institute of Biomedical Sciences Abel Salazar-ICBAS, University of Porto, Porto, Portugal
| | - José Manuel Lopes
- Department of Pathology and Oncology, Medical Faculty, University of Porto, Porto, Portugal.,Department of Pathology, Centro Hospitalar de São João, Porto, Portugal.,IPATIMUP (Institute of Molecular Pathology & Immunology, University of Porto) & I3S - Instituto de Investigação e Inovação em Saúde, University of Porto, Portugal
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42
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Wu RC, Veras E, Lin J, Gerry E, Bahadirli-Talbott A, Baras A, Ayhan A, Shih IM, Wang TL. Elucidating the pathogenesis of synchronous and metachronous tumors in a woman with endometrioid carcinomas using a whole-exome sequencing approach. Cold Spring Harb Mol Case Stud 2017; 3:a001693. [PMID: 29162652 PMCID: PMC5701312 DOI: 10.1101/mcs.a001693] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 07/12/2017] [Indexed: 12/22/2022] Open
Abstract
Synchronous endometrial and ovarian (SEO) carcinomas involve endometrioid neoplasms in both the ovary and uterus at the time of diagnosis. Patients were traditionally classified as having independent primary SEO lesions or as having metastatic endometrioid carcinoma. Recent studies have supported that SEO tumors result from the dissemination of cells from one organ site to another. However, whether this can be considered a "metastasis" or "dissemination" remains unclear. In this report, we performed whole-exome sequencing of tumor samples from a woman with well-differentiated endometrioid SEO tumors and a clinical "recurrent" poorly differentiated peritoneal tumor that was diagnosed 8 years after the complete resection of the SEO tumors. Somatic mutation analysis identified 132, 171, and 1214 nonsynonymous mutations in the endometrial, ovarian, and peritoneal carcinomas, respectively. A unique mutation signature associated with mismatch repair deficiency was observed in all three tumors. The SEO carcinomas shared 57 nonsynonymous mutations, whereas the clinically suspected recurrent carcinoma shared only eight nonsynonymous mutations with the SEO tumors. One of the eight shared somatic mutations involved PTEN; these shared mutations represent the earliest genetic alteration in the ancestor cell clone. Based on analysis of the phylogenetic tree, we predicted that the so-called recurrent peritoneal tumor was derived from the same endometrial ancestor clone as the SEO tumors, and that this clone migrated and established benign peritoneal endometriosis where the peritoneal tumor later arose. This case highlights the usefulness of next-generation sequencing in defining the etiology and clonal relationships of synchronous and metachronous tumors from patients, thus providing valuable insight to aid in the clinical management of rare or ambiguous tumors.
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Affiliation(s)
- Ren-Chin Wu
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Department of Pathology, Chang-Gung Memorial Hospital and Chang-Gung University, Taoyuan 33305, Taiwan
| | - Ema Veras
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
| | - Jeffrey Lin
- Department of Gynecology & Obstetrics, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
| | - Emily Gerry
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
| | - Asli Bahadirli-Talbott
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
| | - Alexander Baras
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
| | - Ayse Ayhan
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Department of Pathology, Seirei Mikatahara Hospital, Hamamatsu 3453, Japan
- Department of Tumor Pathology, Hamamatsu University, Hamamatsu 431-3192, Japan
- Department of Pathology, Hiroshima University, Hiroshima 734-8551, Japan
| | - Ie-Ming Shih
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Department of Gynecology & Obstetrics, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
| | - Tian-Li Wang
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Department of Gynecology & Obstetrics, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Medical Institutions, Baltimore, Maryland 21231, USA
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43
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Matsuo K, Machida H, Frimer M, Marcus JZ, Pejovic T, Roman LD, Wright JD. Prognosis of women with stage I endometrioid endometrial cancer and synchronous stage I endometrioid ovarian cancer. Gynecol Oncol 2017; 147:558-564. [PMID: 28986093 DOI: 10.1016/j.ygyno.2017.09.027] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 09/18/2017] [Accepted: 09/23/2017] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Synchronous endometrial and ovarian cancer with endometrioid histology at two cancer sites typically presents with early-stage disease and is thought to have a good prognosis. We examined the survival of women with early-stage endometrioid endometrial cancer who had synchronous early-stage endometrioid ovarian cancer. METHODS This is a retrospective case-control study examining the Surveillance, Epidemiology, and End Result Program between 1973 and 2013. Survival of women with stage I endometrioid endometrial cancer with stage I endometrioid ovarian cancer (n=839) were compared to women with stage I endometrioid endometrial cancer without synchronous ovarian cancer (n=123,692) after propensity score matching. RESULTS Women with synchronous stage I endometrioid ovarian cancer were more likely to be diagnosed recently, be younger, have stage IA disease, grade 1 tumors, to have undergone lymphadenectomy, and were less likely to receive radiotherapy compared to those without synchronous ovarian cancer (all, P<0.001). In a propensity score matched model, the presence of synchronous ovarian cancer was not associated with endometrial cancer-specific survival (10-year rates 96.0% versus 95.3%, P=0.97) or overall survival (85.6% versus 87.2%, P=0.10). Among tumors with concordant grades at the two cancer sites, survival was similar regardless of presence of synchronous ovarian tumors (grade 1 tumors, 10-year rate for overall survival, 88.2% versus 89.1%, P=0.40; and grade 2 tumors, 84.0% versus 85.8%, P=0.78). CONCLUSION Women with stage I endometrioid endometrial cancer with synchronous stage I endometrioid ovarian cancer have a survival outcome similar to those with stage I endometrioid endometrial cancer without synchronous ovarian cancer.
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Affiliation(s)
- Koji Matsuo
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA.
| | - Hiroko Machida
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA
| | - Marina Frimer
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Zucker School of Medicine at Hofstra/Northwell, Long Island, NY, USA
| | - Jenna Z Marcus
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Rutgers New Jersey Medical School, Newark, NJ, USA
| | - Tanja Pejovic
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, OR, USA
| | - Lynda D Roman
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA
| | - Jason D Wright
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons, New York, NY, USA
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44
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Triple Synchronous Primary Neoplasms of the Cervix, Endometrium, and Ovary: A Rare Case Report and Summary of All the English PubMed-Indexed Literature. Case Rep Obstet Gynecol 2017; 2017:9705078. [PMID: 28912990 PMCID: PMC5587927 DOI: 10.1155/2017/9705078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Accepted: 07/26/2017] [Indexed: 11/18/2022] Open
Abstract
The incidence rate of triple or more synchronous primary neoplasms of the female genital system is exceedingly uncommon. To the best of our knowledge, only 13 such cases have been reported in the PubMed-indexed English literature. Herein, we report a single case of triple synchronous primary neoplasms of the cervix, endometrium, and left ovary with three distinct histological patterns that were not reported previously. Moreover, we briefly present a summary table of all the English PubMed-indexed cases of triple or more synchronous primary neoplasms of the female genital system (n = 13).
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45
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Makris GM, Manousopoulou G, Battista MJ, Salloum I, Chrelias G, Chrelias C. Synchronous Endometrial and Ovarian Carcinoma: A Case Series. Case Rep Oncol 2017; 10:732-736. [PMID: 28878658 PMCID: PMC5582525 DOI: 10.1159/000479501] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 07/17/2017] [Indexed: 01/10/2023] Open
Abstract
Synchronous ovarian and endometrial cancer (SEOC) is a rare instance but it accounts for 50-70% of all synchronous female genital tract tumors. We report three cases of women who were diagnosed with SEOC and underwent surgical staging. All cases were of the endometrioid subtype, grade 1, both in the ovarian and endometrial component. Two of them were stage Ia/Ia, and the third was stage Ib/Ib. More than 2 years after the diagnosis, all patients were alive and recurrence-free. The present report critically discusses the main characteristics, risk factors, and management of patients with SEOCs.
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Affiliation(s)
| | | | | | - Ioannis Salloum
- Department of Obstetrics and Gynecology, Athens Euroclinic Hospital, Athens, Greece
| | - Georgios Chrelias
- Department of Obstetrics and Gynecology, Athens Euroclinic Hospital, Athens, Greece
| | - Charalampos Chrelias
- Department of Obstetrics and Gynecology, Athens Euroclinic Hospital, Athens, Greece
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46
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Kan O, Alkilic A, Turgay B, Gemici A, Atabekoglu CS. Triple Synchronous Malignancies in Genital Tract; Primary Endometrial, Ovarian and Fallopian Tube Carcinoma: A Case Report. J Clin Diagn Res 2017; 11:QD01-QD02. [PMID: 28274004 DOI: 10.7860/jcdr/2017/22003.9138] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 10/19/2016] [Indexed: 11/24/2022]
Abstract
Synchronous malignancies, including three or more tumours, are extremely rare. Herein, we present a case of a woman with a concurrent simultaneous endometrial, ovarian and fallopian tubal carcinoma with different histopathological characteristics. A 55-year-old postmenopausal woman with a diagnosis of endometrial adenocarcinoma by pipelle biopsy, underwent surgical staging. Final pathology result was reported as synchronous stage IA grade 2 endometrioid adenocarcinoma of the uterus, stage IA grade 2 mucinous adenocarcinoma of the right ovary and in situ serous cystadenocarcinoma of the right fallopian tube. In the postoperative period, patient followed without adjuvant therapy. To our knowledge, this a very rare case report in the literature of sychronous triple gynaecologic cancers including fallopian tube cancer and with the longest disease free survival time with over 39 months due to better prognosis than metastatic or advanced primitive diseases.
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Affiliation(s)
- Ozgur Kan
- Specialist, Department of Obstetrics and Gynaecology, Etlik Zubeyde Hanim Women's Health Hospital , Ankara, Turkey
| | | | - Batuhan Turgay
- Resident, Department of Obstetrics and Gynaecology, Ankara University School of Medicine , Ankara, Turkey
| | - Ali Gemici
- Specialist, Department of Obstetrics and Gynaecology, Etlik Zubeyde Hanim Women's Health Hospital , Ankara, Turkey
| | - Cem Somer Atabekoglu
- Professor, Department of Obstetrics and Gynaecology, Ankara University School of Medicine , Ankara, Turkey
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47
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Implication of genomic characterization in synchronous endometrial and ovarian cancers of endometrioid histology. Gynecol Oncol 2016; 143:60-67. [PMID: 27498588 DOI: 10.1016/j.ygyno.2016.07.114] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/22/2016] [Accepted: 07/23/2016] [Indexed: 12/24/2022]
Abstract
OBJECTIVES Synchronous endometrial and ovarian carcinomas (SEOCs) present gynecologic oncologists with a challenging diagnostic puzzle: discriminating between double primary cancers and single primary cancer with metastasis. We aimed to determine the clonal relationship between simultaneously diagnosed endometrial and ovarian carcinomas. METHODS Fourteen pairs of SEOCs of endometrioid type and two pairs of SEOCs with disparate histologic types (control for dual primary tumors) were subjected to massively parallel sequencing (MPS) and molecular inversion probe microarrays. RESULTS Thirteen of the 14 pairs of SEOCs harbored somatic mutations shared by both uterine and ovarian lesions, indicative of clonality. High degree of chromosomal instability in the tumors from 10 patients who received adjuvant chemotherapy, of whom 9 had synchronous carcinomas with significantly overlapping copy number alterations (CNAs), suggestive of single primary tumors with metastasis. The clonal relationship determined by genomic analyses did not agree with clinicopathological criteria in 11 of 14 cases. Minimal CNAs were identified in both ovarian and endometrial carcinomas in 4 patients, who did not receive adjuvant chemotherapy and experienced no recurrent diseases. In contrast, two of the 10 patients with chromosomally unstable cancers developed recurrent tumors. CONCLUSION Our findings support a recent paradigm-shifting concept that most SEOCs originate from a single tumor. It also casts doubt on the clinicopathological criteria used to distinguish between dual primary tumors and single primary tumor with metastasis. Testing of CNAs on SEOCs may help determining the need of adjuvant therapy.
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48
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Abstract
Over the last decade, the application of new technologieslargely immunohistochemistry and molecular genetics to the study of gynecologic tumors has provided new insights into their pathogenesis. Attempts to integrate the results of these investigations into the conventional clinicopathologic features of the tumors have been made. In this review, which does not intend to be comprehensive, several selected topics dealing with the pathogenesis of gynecologic neoplasms are briefly presented.
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49
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Obata T, Nakamura M, Mizumoto Y, Matsumoto T, Takakura M, Fujiwara H. Synchronous endometrioid adenocarcinomas in the uterine cervix and corpus. J Obstet Gynaecol Res 2016; 42:1390-1394. [PMID: 27354119 DOI: 10.1111/jog.13049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 03/03/2016] [Accepted: 04/09/2016] [Indexed: 11/30/2022]
Abstract
It is frequently difficult to distinguish multiple primary carcinomas from single primary carcinoma with metastasis. Here, we report a case of synchronous endometrioid adenocarcinomas that independently occurred in the uterine cervix and corpus. A 47-year-old woman complaining of genital bleeding was preoperatively diagnosed with cervical adenocarcinoma with an endometrial lesion. On surgical treatment, two separate malignant lesions bearing endometrioid adenocarcinoma were identified in the uterine cervix and cavity. Although both lesions expressed the same type of human papillomavirus (HPV) gene, type 16, microscopic continuity was not observed. Furthermore, we detected a critical difference in PTEN mutation between the tumors and finally diagnosed this case as multiple primary cancers. This is the first report to show multiple primary endometrioid adenocarcinomas simultaneously arising in the uterine cervix and corpus. Considering the rarity of this case, the coexistence of HPV suggests its possible involvement in the carcinogenesis of the endometrioid adenocarcinomas.
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Affiliation(s)
- Takeshi Obata
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Science, Kanazawa, Ishikawa, Japan
| | - Mitsuhiro Nakamura
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Science, Kanazawa, Ishikawa, Japan.
| | - Yasunari Mizumoto
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Science, Kanazawa, Ishikawa, Japan
| | - Takeo Matsumoto
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Science, Kanazawa, Ishikawa, Japan
| | - Masahiro Takakura
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Science, Kanazawa, Ishikawa, Japan
| | - Hiroshi Fujiwara
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Science, Kanazawa, Ishikawa, Japan
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50
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Synchronous Primary Cancers of the Endometrium and Ovary With the Same Histopathologic Type Versus Endometrial Cancer With Ovarian Metastasis. Int J Gynecol Cancer 2016; 26:394-406. [DOI: 10.1097/igc.0000000000000600] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
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