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Novikov FV, Anufriev AG, Efremov GD. High-grade Serous Carcinoma Occurring in a Serous Cystadenoma on the Background of a Serous Tubal Intraepithelial Carcinoma (STIC)-like Lesion: A Case Report With Literature Review. Int J Gynecol Pathol 2024:00004347-990000000-00157. [PMID: 38661558 DOI: 10.1097/pgp.0000000000001018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
At present, the prevailing concept is that high-grade serous carcinoma (HGSC) arises from the fallopian tubes (FTs). We report an HGSC case occurring in a serous ovarian cyst against the background of a serous tubal intraepithelial carcinoma (STIC)-like lesion. We also provide a literature review that contains references to clinical cases of the occurrence of STIC-like lesions in the ovary and phylogenetic studies that do not always reveal obvious bonds between early dysplastic serous lesions and HGSC. The article discusses cases of association between HGSCs of serous borderline tumors (SBTs) and low-grade serous carcinomas (LGSCs) in the context of their possible histogenetic relationship. We propose a concept in which high-grade serous carcinogenesis, represented by the p53-signature-STIC-HGSC continuity, occurs in the serous epithelium of both the FT and other locations.
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2
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Grisham RN, Slomovitz BM, Andrews N, Banerjee S, Brown J, Carey MS, Chui H, Coleman RL, Fader AN, Gaillard S, Gourley C, Sood AK, Monk BJ, Moore KN, Ray-Coquard I, Shih IM, Westin SN, Wong KK, Gershenson DM. Low-grade serous ovarian cancer: expert consensus report on the state of the science. Int J Gynecol Cancer 2023; 33:1331-1344. [PMID: 37591609 PMCID: PMC10511962 DOI: 10.1136/ijgc-2023-004610] [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] [Accepted: 07/24/2023] [Indexed: 08/19/2023] Open
Abstract
Compared with high-grade serous carcinoma, low-grade serous carcinoma of the ovary or peritoneum is a less frequent epithelial ovarian cancer type that is poorly sensitive to chemotherapy and affects younger women, many of whom endure years of ineffective treatments and poor quality of life. The pathogenesis of this disease and its management remain incompletely understood. However, recent advances in the molecular characterization of the disease and identification of novel targeted therapies with activity in low-grade serous carcinoma offer the promise of improved outcomes. To update clinicians regarding recent scientific and clinical trial advancements and discuss unanswered questions related to low-grade serous carcinoma diagnosis and treatment, a panel of experts convened for a workshop in October 2022 to develop a consensus document addressing pathology, translational research, epidemiology and risk, clinical management, and ongoing research. In addition, the patient perspective was discussed. The recommendations developed by this expert panel-presented in this consensus document-will guide practitioners in all settings regarding the clinical management of women with low-grade serous carcinoma and discuss future opportunities to improve research and patient care.
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Affiliation(s)
- Rachel N Grisham
- Department of Medicine, Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York, New York, USA
| | - Brian M Slomovitz
- Department of Gynecologic Oncology, Mount Sinai Medical Center, Miami Beach, Florida, USA
- Florida International University, Miami, Florida, USA
| | - Nicole Andrews
- STAAR Ovarian Cancer Foundation, Western Springs, Illinois, USA
| | | | - Jubilee Brown
- Department of Gynecologic Oncology, Levine Cancer Institute at Atrium Health, Wake Forest University, Charlotte, North Carolina, USA
| | - Mark S Carey
- Division of Gynecologic Oncology, Vancouver Coastal Health, Vancouver, British Columbia, Canada
| | - Herman Chui
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Robert L Coleman
- Sarah Cannon Research Institute (SCRI), Nashville, Tennessee, USA
| | - Amanda N Fader
- Department of Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Stephanie Gaillard
- Department of Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Charlie Gourley
- Cancer Research UK Scotland Centre, University of Edinburgh, Edinburgh, UK
| | - Anil K Sood
- Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Bradley J Monk
- Division of Gynecologic Oncology, Honor Health, University of Arizona, Creighton University, Phoenix, Arizona, USA
| | - Kathleen N Moore
- Department of Gynecologic Oncology, Stephenson Cancer Center at the University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, USA
| | - Isabelle Ray-Coquard
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France
- Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Ie-Ming Shih
- Department of Gynecology and Obstetrics, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Shannon N Westin
- Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Kwong-Kwok Wong
- Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - David M Gershenson
- Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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Cassani C, Rossi C, Camnasio CA, Urtis M, Fiandrino G, Grasso M, Zanellini F, Lucioni M, D’Ambrosio G, Di Toro A, Rossi M, Roccio M, Ferrari A, Secondino S, Nappi RE, Arbustini E, Paulli M, Spinillo A, Cesari S. Pathologic Findings at Risk Reducing Surgery in BRCA and Non- BRCA Mutation Carriers: A Single-Center Experience. Diagnostics (Basel) 2022; 12:diagnostics12123054. [PMID: 36553061 PMCID: PMC9776991 DOI: 10.3390/diagnostics12123054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022] Open
Abstract
Risk-reducing surgery (RRS) is recommended in BRCA-mutated carriers because of their increased risk of developing ovarian cancer, while its role is still discussed for women harboring mutations in non-BRCA homologous repair genes. The aim of this study was to retrospectively evaluate the occurrence of pathological findings in a high-risk population undergoing RRS in San Matteo Hospital, Pavia between 2012 and 2022, and correlate their genetic and clinical outcomes, comparing them with a control group. The final cohort of 190 patients included 85 BRCA1, 63 BRCA2, 11 CHEK2, 7 PALB2, 4 ATM, 1 ERCC5, 1 RAD51C, 1 CDH1, 1 MEN1, 1 MLH1 gene mutation carriers and 15 patients with no known mutation but with strong familial risk. Occult invasive serous carcinoma (HGSC) and serous tubal intraepithelial carcinoma (STIC) were diagnosed in 12 (6.3%) women, all of them BRCA carriers. No neoplastic lesion was diagnosed in the non-BRCA group, in women with familial risk, or in the control group. Oral contraceptive use and age ≤45 at surgery were both found to be favorable factors. While p53 signature and serous tubal intraepithelial lesion (STIL) were also seen in the control group and in non-BRCA carriers, STIC and HGSC were only found in BRCA1/2 mutation carriers.
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Affiliation(s)
- Chiara Cassani
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, Unit of Obstetrics and Gynecology, University of Pavia, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Chiara Rossi
- Department of Molecular Medicine, Unit of Anatomic Pathology, University of Pavia, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Cristina Angela Camnasio
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, Unit of Obstetrics and Gynecology, University of Pavia, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Mario Urtis
- Transplant Research Area and Centre for Inherited Cardiovascular Diseases, Department of Medical Sciences and Infectious Diseases, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Giacomo Fiandrino
- Unit of Anatomic Pathology, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Maurizia Grasso
- Transplant Research Area and Centre for Inherited Cardiovascular Diseases, Department of Medical Sciences and Infectious Diseases, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Francesca Zanellini
- Unit of Obstetrics and Gynecology, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Marco Lucioni
- Department of Molecular Medicine, Unit of Anatomic Pathology, University of Pavia, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Gioacchino D’Ambrosio
- Unit of Anatomic Pathology, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Alessandro Di Toro
- Transplant Research Area and Centre for Inherited Cardiovascular Diseases, Department of Medical Sciences and Infectious Diseases, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Margherita Rossi
- Unit of Obstetrics and Gynecology, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Marianna Roccio
- Unit of Obstetrics and Gynecology, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Alberta Ferrari
- General Surgery III—Breast Surgery, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Simona Secondino
- Unit of Medical Oncology, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Rossella Elena Nappi
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, Research Center for Reproductive Medicine, Gynecological Endocrinology and Menopause, University of Pavia, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Eloisa Arbustini
- Transplant Research Area and Centre for Inherited Cardiovascular Diseases, Department of Medical Sciences and Infectious Diseases, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Marco Paulli
- Department of Molecular Medicine, Unit of Anatomic Pathology, University of Pavia, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Arsenio Spinillo
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, Unit of Obstetrics and Gynecology, University of Pavia, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
| | - Stefania Cesari
- Unit of Anatomic Pathology, IRCCS San Matteo Hospital Foundation, 27100 Pavia, Italy
- Correspondence:
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Vang R, Shih IM. Serous tubal intraepithelial carcinoma: What Do We Really Know at this Point? Histopathology 2022; 81:542-555. [PMID: 35859323 DOI: 10.1111/his.14722] [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: 03/14/2022] [Revised: 06/18/2022] [Accepted: 06/23/2022] [Indexed: 11/27/2022]
Abstract
Serous tubal intraepithelial carcinoma (STIC) is the earliest morphologically recognizable step in the development of invasive high-grade serous carcinoma of the fallopian tube. Lesions occurring prior to STIC within the carcinogenic sequence for the pathogenesis of invasive high-grade serous carcinoma include the p53 signature and secretory cell outgrowth (SCOUT). Variable histologic criteria have been used for diagnosing STIC, but a combination of morphology and immunohistochemistry for p53/Ki-67 improves interobserver agreement. Half of all carcinomas identified in risk-reducing salpingo-oophorectomy specimens are in the form of STIC; however, STIC also may be incidentally found on occasion in specimens from women at low or average risk of ovarian/tubal/peritoneal carcinoma. TP53 mutation is the earliest known DNA sequence alteration in STIC and almost all invasive high-grade serous carcinomas of the ovary and peritoneum. Data on the clinical behavior of STIC are limited. While the short-term follow-up in the prior literature suggests a low risk of malignant progression, a more recent meta-analysis indicates a 10-year risk of 28%. STIC probably should be best regarded as a lesion with uncertain malignant potential at present, and future molecular analysis will help classify those with higher risk of dissemination. This review article provides an update on the current knowledge of STIC and related issues.
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Affiliation(s)
- Russell Vang
- Departments of Pathology (Division of Gynecologic Pathology), The Johns Hopkins University School of Medicine; Baltimore, MD, USA.,Gynecology & Obstetrics, The Johns Hopkins University School of Medicine; Baltimore, MD, USA
| | - Ie-Ming Shih
- Departments of Pathology (Division of Gynecologic Pathology), The Johns Hopkins University School of Medicine; Baltimore, MD, USA.,Gynecology & Obstetrics, The Johns Hopkins University School of Medicine; Baltimore, MD, USA.,Oncology, The Johns Hopkins University School of Medicine; Baltimore, MD, USA
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Ribeiro E Ribeiro R, Valenzuela A, Beffa L, Sung CJ, Quddus MR. Low-grade serous carcinoma with extensive osseous metaplasia arising from ovarian serous cystadenofibroma. Gynecol Oncol Rep 2021; 36:100707. [PMID: 33553558 PMCID: PMC7851766 DOI: 10.1016/j.gore.2021.100707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/11/2021] [Accepted: 01/16/2021] [Indexed: 11/24/2022] Open
Abstract
Bilateral ovarian low-grade serous carcinoma presenting with extensive osseous metaplasia. Both lesions arising directly from ovarian cystadenofibromas, skipping the “borderline phase”. No micropapillary serous borderline component was identified. This case may represent a “skipped step” in low-grade serous carcinogenesis.
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Affiliation(s)
- Renan Ribeiro E Ribeiro
- Women & Infants Hospital, Providence, RI, USA.,Brown University, Providence, RI, USA.,Laboratório Cicap - Hospital Alemão Oswaldo Cruz, São Paulo, SP, Brazil
| | - Ashley Valenzuela
- Women & Infants Hospital, Providence, RI, USA.,Brown University, Providence, RI, USA
| | - Lindsey Beffa
- Women & Infants Hospital, Providence, RI, USA.,Brown University, Providence, RI, USA
| | - C James Sung
- Women & Infants Hospital, Providence, RI, USA.,Brown University, Providence, RI, USA
| | - M Ruhul Quddus
- Women & Infants Hospital, Providence, RI, USA.,Brown University, Providence, RI, USA
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Chui MH, Boroujeni AM, Mandelker D, Ladanyi M, Soslow RA. Characterization of TP53-wildtype tubo-ovarian high-grade serous carcinomas: rare exceptions to the binary classification of ovarian serous carcinoma. Mod Pathol 2021; 34:490-501. [PMID: 32801341 PMCID: PMC8409220 DOI: 10.1038/s41379-020-00648-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/27/2020] [Accepted: 07/28/2020] [Indexed: 01/04/2023]
Abstract
While TP53 mutation is widely considered to be a defining feature of tubo-ovarian high-grade serous carcinoma (HGSC), rare TP53-mutation-negative cases have been reported. To gain further insight into this rare subset, a retrospective review was conducted on 25 TP53-wildtype tubo-ovarian HGSCs, constituting 2.5% of 987 HGSCs profiled by the MSK-IMPACT sequencing platform. Consistent with serous differentiation, positive staining for Pax8 and WT1 was present in virtually all TP53-wildtype HGSCs. Other characteristic features of HGSC, such as serous tubal intraepithelial carcinoma, or genetic alterations of CCNE1 and BRCA1/2 were identified in these tumors, furthering supporting their classification as bona fide HGSC, despite lacking TP53 mutations. Overall, the level of chromosomal instability of TP53-wildtype HGSCs was intermediate between low-grade serous carcinoma (LGSC) and TP53-mutated HGSC. Morphologic assessment by observers blinded to mutation status revealed a significant subset of tumors with Grade 2 nuclear atypia (which exceeds the degree of atypia allowed for LGSC, but less than typically encountered for HGSC) combined with micropapillary features (6/19, 32%, chemotherapy-naive TP53-wildtype HGSCs compared to 0/21, 0%, TP53-mutated HGSCs; p = 0.007). Some TP53-wildtype HGSCs harbored driver mutations in KRAS (n = 3), BRAF (n = 1) or NRAS (n = 2). Overall, 10 (40%) cases had "LGSC-like" morphology (i.e., Grade 2 nuclear atypia and micropapillary features) and/or RAS/RAF mutation, and most of these showed a wildtype p53 pattern of expression by immunohistochemistry (7/9, 78%). The remaining TP53-wildtype HGSCs (n = 15, 60%) exhibited severe nuclear atypia (Grade 3) and were morphologically indistinguishable from conventional TP53-mutated HGSC. Despite lacking genetic alterations of TP53, these "usual HGSC-like" tumors often showed evidence of p53 dysfunction, including downregulation of expression ('null' or equivocal p53 staining in 9/14, 64%) or MDM2 amplification (n = 2). Our results support the existence of TP53-wildtype HGSCs, which comprise a heterogeneous group of tumors which may arise via distinct pathogenic mechanisms.
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Shih IM, Wang Y, Wang TL. The Origin of Ovarian Cancer Species and Precancerous Landscape. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 191:26-39. [PMID: 33011111 DOI: 10.1016/j.ajpath.2020.09.006] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/31/2020] [Accepted: 09/09/2020] [Indexed: 12/14/2022]
Abstract
Unlike other human cancers, in which all primary tumors arise de novo, ovarian epithelial cancers are primarily imported from either endometrial or fallopian tube epithelium. The prevailing paradigm in the genesis of high-grade serous carcinoma (HGSC), the most common ovarian cancer, posits to its development in fallopian tubes through stepwise tumor progression. Recent progress has been made not only in gathering terabytes of omics data but also in detailing the histologic-molecular correlations required for looking into, and making sense of, the tissue origin of HGSC. This emerging paradigm is changing many facets of ovarian cancer research and routine gynecology practice. The precancerous landscape in fallopian tubes contains multiple concurrent precursor lesions, including serous tubal intraepithelial carcinoma (STIC), with genetic heterogeneity providing a platform for HGSC evolution. Mathematical models imply that a prolonged time (decades) elapses from the development of a TP53 mutation, the earliest known molecular alteration, to an STIC, followed by a shorter span (6 years) for progression to an HGSC. Genetic predisposition accelerates the trajectory. This timeline may allow for the early diagnosis of HGSC and STIC, followed by intent-to-cure surgery. This review discusses the recent advances in this tubal paradigm and its biological and clinical implications, alongside the promise and challenge of studying STIC and other precancerous lesions of HGSC.
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Affiliation(s)
- Ie-Ming Shih
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland; Pathobiology Graduate Program, Johns Hopkins University School of Medicine, Baltimore, Maryland.
| | - Yeh Wang
- Pathobiology Graduate Program, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Tian-Li Wang
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland; Pathobiology Graduate Program, Johns Hopkins University School of Medicine, Baltimore, Maryland
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Size threshold for follow-up of postmenopausal adnexal cysts: 1 cm versus 3 cm. Abdom Radiol (NY) 2020; 45:3213-3217. [PMID: 31396641 DOI: 10.1007/s00261-019-02176-z] [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: 10/26/2022]
Abstract
OBJECTIVES To assess 3 cm size threshold for follow-up of simple cysts in postmenopausal women. MATERIALS AND METHODS Radiology information system was retrospectively queried for "US pelvis complete" over 8 years in women > 50 years, with keywords ovarian cyst, adnexal cyst, ovarian mass, cystic mass, cystic neoplasm, ovarian neoplasm, and ovarian mass. Premenopausal women were excluded. Cysts, were classified as ≤ 1 cm, 1-3 cm, 3-5 cm, and ≥ 7 cm. Largest cysts on each ovary was recorded. EMR and imaging archives were reviewed for assessing size, stability duration, and surgical records. Descriptive statistics and confidence interval were performed. RESULTS 4388 patients met the initial search criteria. 919 cysts in 896 women (age: 50-91 years, mean: 61.5 years) were identified. We found 162 cysts ≤ 1 cm, 352 1-3 cm, 296 3-7 cm , and 51 ≥ 7 cm cysts. 127 patients with 1-3 cm cysts had no follow-up. Final analysis of 225 1-3 cm cysts included 203 ovarian and 22 paraovarian cysts (average size = 1.95 cm (1.1-3.0 cm)). 103 ovarian cysts had less than 2 years, and 100 cysts had more than 2 years follow-up. All except one ovarian cyst were stable for the entire duration of their follow-up (Mean duration of follow-up 5.4 years) (0.3%, 95% CI 0.0-0.05). 40 cysts resolved. One simple cyst increased in size (followed over 3.25 years) without suspicious imaging features and benign on surgery. CONCLUSION 1-3 cm cysts represented the most common size range (> 40%) in postmenopausal women, majority of which are stable over follow-up with benign outcome. 3 cm size threshold is appropriate for simple cyst follow-up in postmenopausal women.
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Clinicopathologic, Immunohistochemical, and Molecular Characteristics of Ovarian Serous Carcinoma With Mixed Morphologic Features of High-grade and Low-grade Serous Carcinoma. Am J Surg Pathol 2020; 44:316-328. [PMID: 31876585 DOI: 10.1097/pas.0000000000001419] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Despite the current classification of high-grade serous carcinoma (HGSCA) and low-grade serous carcinoma (LGSCA) as mutually exclusive diseases based on morphology and molecular pathogenesis, cases with mixed morphologic features of HGSCA and LGSCA have been reported. Herein we assess the clinicopathologic, immunohistochemical (IHC), and molecular genetic characteristics of a group of these cases, which we termed indeterminate grade serous carcinoma (IGSCA) in comparison with groups of HGSCA and LGSCA. Using the World Health Organization (WHO) classification criteria, we selected 27 LGSCA and 19 IGSCA for detailed morphologic study. Thirteen classic HGSCA, 19 classic LGSCA, and 19 IGSCA were selected for p53 and BRAF V600E IHC and molecular genetic testing by next-generation sequencing. IGSCA showed the architectural patterns of invasion of LGSCA, but with higher grade nuclear features focally and a mitotic index intermediate between LGSCA and HGSCA. Few cases in the IGSCA group showed mutant TP53 by IHC or sequencing (4/18, 22.2%), 1 case had mutant BRAF non-V600E by sequencing, and 1 had an NRAS mutation. When present, the mutations were identical in the low-grade and high-grade areas. The IGSCA group had a long-term survival similar to the classic HGSCA group. IGSCA with mixed morphologic features of HGSCA and LGSCA is a rare and potentially clinically aggressive variant of serous carcinoma. Their distinct morphologic, but heterogenous molecular features, including low frequency of TP53 and BRAF mutations suggest that these rare tumors may have a different pathogenesis pathway compared with classic HGSCA and classic LGSCA.
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Da Cruz Paula A, da Silva EM, Segura SE, Pareja F, Bi R, Selenica P, Kim SH, Ferrando L, Vahdatinia M, Soslow RA, Vidal A, Gatius S, Przybycin CG, Abu-Rustum NR, Matias-Guiu X, Rubin BP, Reis-Filho JS, DeLair DF, Weigelt B. Genomic profiling of primary and recurrent adult granulosa cell tumors of the ovary. Mod Pathol 2020; 33:1606-1617. [PMID: 32203090 PMCID: PMC7390666 DOI: 10.1038/s41379-020-0514-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 02/23/2020] [Accepted: 02/24/2020] [Indexed: 02/06/2023]
Abstract
Adult-type granulosa cell tumor (aGCT) is a rare malignant ovarian sex cord-stromal tumor, harboring recurrent FOXL2 c.C402G/p.C134W hotspot mutations in 97% of cases. These tumors are considered to have a favorable prognosis, however aGCTs have a tendency for local spread and late recurrences, which are associated with poor survival rates. We sought to determine the genetic alterations associated with aGCT disease progression. We subjected primary non-recurrent aGCTs (n = 7), primary aGCTs that subsequently recurred (n = 9) and their matched recurrences (n = 9), and aGCT recurrences without matched primary tumors (n = 10) to targeted massively parallel sequencing of ≥410 cancer-related genes. In addition, three primary non-recurrent aGCTs and nine aGCT recurrences were subjected to FOXL2 and TERT promoter Sanger sequencing analysis. All aGCTs harbored the FOXL2 C134W hotspot mutation. TERT promoter mutations were found to be significantly more frequent in recurrent (18/28, 64%) than primary aGCTs (5/19, 26%, p = 0.017). In addition, mutations affecting TP53, MED12, and TET2 were restricted to aGCT recurrences. Pathway annotation of altered genes demonstrated that aGCT recurrences displayed an enrichment for genetic alterations affecting cell cycle pathway-related genes. Analysis of paired primary and recurrent aGCTs revealed that TERT promoter mutations were either present in both primary tumors and matched recurrences or were restricted to the recurrence and absent in the respective primary aGCT. Clonal composition analysis of these paired samples further revealed that aGCTs display intra-tumor genetic heterogeneity and harbor multiple clones at diagnosis and relapse. We observed that in a subset of cases, recurrences acquired additional genetic alterations not present in primary aGCTs, including TERT, MED12, and TP53 mutations and CDKN2A/B homozygous deletions. Albeit harboring relatively simple genomes, our data provide evidence to suggest that aGCTs are genetically heterogeneous tumors and that TERT promoter mutations and/or genetic alterations affecting other cell cycle-related genes may be associated with disease progression and recurrences.
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Affiliation(s)
- Arnaud Da Cruz Paula
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Edaise M da Silva
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Sheila E Segura
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Pathology and Laboratory Medicine, Indiana University, Indianapolis, IN, USA
| | - Fresia Pareja
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Rui Bi
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Fudan University Shanghai Cancer Center, Shanghai, PR China
| | - Pier Selenica
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Sarah H Kim
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Lorenzo Ferrando
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Internal Medicine, University of Genoa, Genova, Italy
| | - Mahsa Vahdatinia
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Robert A Soslow
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - August Vidal
- Department of Pathology, Hospital Universitari de Bellvitge, IDIBELL, University of Barcelona, CIBERONC, Barcelona, Spain
| | - Sonia Gatius
- Department of Pathology, Hospital Universitari Arnau de Vilanova, IRBLLEIDA, University of Lleida, CIBERONC, Lleida, Spain
| | - Christopher G Przybycin
- Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Nadeem R Abu-Rustum
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Xavier Matias-Guiu
- Department of Pathology, Hospital Universitari de Bellvitge, IDIBELL, University of Barcelona, CIBERONC, Barcelona, Spain
- Department of Pathology, Hospital Universitari Arnau de Vilanova, IRBLLEIDA, University of Lleida, CIBERONC, Lleida, Spain
| | - Brian P Rubin
- Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Jorge S Reis-Filho
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Deborah F DeLair
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Department of Pathology, NYU Langone Health, New York, NY, USA.
| | - Britta Weigelt
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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11
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Clinicopathologic and Molecular Features of Paired Cases of Metachronous Ovarian Serous Borderline Tumor and Subsequent Serous Carcinoma. Am J Surg Pathol 2020; 43:1462-1472. [PMID: 31343420 DOI: 10.1097/pas.0000000000001325] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Although risk factors have been established for the development of serous carcinoma after a diagnosis of serous borderline tumor (SBT), comprising atypical proliferative serous tumor (APST) (ie, conventional SBT) and noninvasive low-grade serous carcinoma (niLGSC) (ie, micropapillary SBT), subsequent invasive carcinoma still occurs in a subset of women who are not at increased risk. Whether subsequent serous carcinoma in women with a prior SBT represents malignant progression/recurrence or an independent primary tumor is unclear, and the combined clinicopathologic and molecular features of SBTs and their subsequent carcinomas have not been fully characterized. In this study, we analyzed a cohort of 42 women initially diagnosed with SBT who subsequently developed serous carcinoma of a total of 1025 cases of ovarian SBT from a nationwide population-based cohort. Review of the diagnostic slides was performed from this subset of SBTs and matched metachronous invasive serous carcinomas (39 low grade, 3 high grade). DNA was extracted from tissue blocks available for 41 cases (both SBT and carcinoma, n=36; SBT only, n=3; carcinoma only, n=2). Samples were subjected to digital droplet PCR to analyze mutation hotspots in KRAS (codon 12) and BRAF (V600E), which are frequently found in low-grade serous tumors. Eighty-one percent of SBTs (34/42) were APST, and 19% (8/42) were niLGSC. Forty percent of cases (17/42) were FIGO stage I, the majority of which were APST (14/17; 82%). The median time to development of carcinoma was 9 years (range, 0.6 to 25 y). Mutations in SBTs were distributed as follows: 5/39 (13%) BRAF mutant, 22/39 (56%) KRAS mutant, and 12/39 (31%) wild-type for both genes. There was a significant relationship between SBT gene mutation and histologic type, with BRAF mutations occurring exclusively in APST and a higher frequency of niLGSC among SBTs wild-type for BRAF and KRAS (P=0.01). The diffuse presence of tumor cells with abundant eosinophilic cytoplasm was significantly associated with the BRAF mutation (P=0.001). Mutational analyses of matched SBT/carcinoma pairs revealed concordant profiles in 33/36 (92%) cases, of which 19 (53%) were KRAS mutant, 4 (11%) were BRAF mutant, and 10 (28%) were wild type for both genes. The 3 discordant cases consisted of a wild-type niLGSC with a subsequent BRAF-mutant invasive LGSC, a KRAS-mutant APST with a KRAS-mutant LGSC, and a BRAF-mutant APST with subsequent development of a KRAS-mutant high-grade serous carcinoma. In conclusion, some women with SBTs can subsequently develop serous carcinoma, occasionally over 10 years later. Most subsequent carcinomas are low grade, but a small subset can be high grade. The type of gene mutation in SBT correlates with various histologic features. While most cases of serous carcinoma developing after a diagnosis of SBT probably represent tumor progression, a minority are independent primary tumors, presumably arising from endosalpingiosis.
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