Factors associated with positive germline testing results in men with prostate cancer following NCCN guideline expansion.

2020 ◽  
Vol 38 (6_suppl) ◽  
pp. 230-230
Author(s):  
Trevor Charles Hunt ◽  
Samantha Greenberg ◽  
Jacob P. Ambrose ◽  
Brock B. O'Neil ◽  
Jonathan David Tward
Keyword(s):  
Prostate Cancer ◽  
Family History ◽  
High Risk ◽  
Gleason Grade ◽  
Grade Group ◽  
Nccn Guidelines ◽  
Factors Associated ◽  
Patient Level ◽  
History Of ◽  
Germline Testing

230 Background: Pathogenic variants (PV) in genes associated with hereditary cancer risk account for over 10% of cases in men with metastatic prostate cancer (PCa). NCCN guidelines encouraging germline testing (GT) in metastatic PCa were recently expanded to include all men with high risk, very high risk, or regional PCa. Previously, we showed that the rate of PV findings did not significantly decrease after expansion of these criteria. In this study, we sought to identify factors associated with a PV finding. Methods: Men with PCa underwent multi-gene GT for PVs from April 2016 – December 2018 according to NCCN guidelines pre- (2016-17) and post-expansion (2018). The association of patient-level factors of interest with a positive GT result, where at least one PV was identified, was modeled with univariate logistic regression while overall model significance was validated with ANOVA. Results: Of 410 men undergoing GT, 44 (10.7%) positive and 366 (89.3%) negative tests resulted. Mean age at diagnosis was 62.2 years. Positive testing remained stable from 9.4% to 11.2% following guideline expansion (p=0.62). None of the patient-level factors of interest were significantly associated with increased odds of a positive GT result in any model generated. These factors included age at diagnosis, race, pretreatment PSA, Gleason grade group, NCCN risk group, and family history of cancer (breast and ovarian, prostate, any cancer). Model p-values ranged from 0.84 for Gleason grade group to 0.12 for family history of any cancer. Conclusions: Future work will need to further elucidate the role of patient-level factors in identifying men with PCa at increased risk for harboring a germline PV. Nonetheless, the lack of identification of other factors associated with positive GT results and a stable PV detection rate of roughly 10% support the recent expansion of NCCN testing guidelines. Given these findings, consideration of even broader NCCN criteria for GT may be justified.

scholarly journals Clinical Germline Testing Results of Men With Prostate Cancer: Patient-Level Factors and Implications of NCCN Guideline Expansion

2021 ◽  
pp. 533-542
Author(s):  
Samantha E. Greenberg ◽  
Trevor C. Hunt ◽  
Jacob P. Ambrose ◽  
William T. Lowrance ◽  
Christopher B. Dechet ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
High Risk ◽  
Disease Severity ◽  
Detection Rate ◽  
Sensitivity Analyses ◽  
Gleason Grade ◽  
Nccn Guidelines ◽  
Patient Level ◽  
The Impact ◽  
Germline Testing

PURPOSE Germline likely pathogenic or pathogenic variants (PVs) have been identified in up to 17% of men with prostate cancer (PC) and may drive disease severity or be targetable by novel therapies. National Comprehensive Cancer Network (NCCN) guidelines encouraging germline testing in metastatic PC were recently expanded to include all men with high-risk, very high-risk, or regional PC. Our aim was to assess the impact of expanded NCCN guidelines on the detection rate of germline PVs and to determine patient-level factors associated with a PV germline testing result. PATIENTS AND METHODS Men with PC underwent multigene germline genetic testing for PVs from June 2016 to December 2018, and trends were compared. The association of patient-level factors with a PV germline testing result, where ≥ 1 PV was identified, was assessed using analysis of variance and univariate logistic regression. Sensitivity analyses were limited to clinically actionable variants and those associated with disease severity or progression ( BRCA1/2 and ATM). RESULTS Of 408 men undergoing germline testing, 42 (10.3%) men had PVs and 366 (89.7%) men did not have PVs identified. The proportion of men identified with a germline PV remained stable following testing criteria expansion (9.4% v 10.6%, P = .73). No patient-level factors were significantly associated with increased odds of a PV germline testing result, including age at diagnosis, race, pretreatment prostate-specific antigen, Gleason grade group, NCCN risk group, and family history of cancer (breast and/or ovarian, prostate, or any cancer). CONCLUSION This study demonstrated a stable PV detection rate in men with PC using expanded criteria aligned to the updated NCCN testing guidelines. However, we did not find strong evidence to suggest that patient-level factors are associated with PV germline testing results. These findings support the recent expansion of NCCN germline testing guidelines in PC.

scholarly journals Prostate cancer screening characteristics in men with BRCA1/2 mutations attending a high-risk prevention clinic

2014 ◽  
Vol 8 (11-12) ◽  
pp. 783 ◽  
Author(s):  
Richard Walker ◽  
Alyssa Louis ◽  
Alejandro Berlin ◽  
Sheri Horsburgh ◽  
Robert G. Bristow ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Family History ◽  
High Risk ◽  
Prostate Cancer Screening ◽  
Brca2 Mutation ◽  
Aggressive Disease ◽  
Mutation Carriers ◽  
The Family ◽  
History Of ◽  
Prevention Clinic

Introduction: The prostate-specific antigen (PSA) era and resultant early detection of prostate cancer has presented clinicians with the challenge of distinguishing indolent from aggressive tumours. Mutations in the BRCA1/2 genes have been associated with prostate cancer risk and prognosis. We describe the prostate cancer screening characteristics of BRCA1/2 mutation carriers, who may be classified as genetically-defined high risk, as compared to another high-risk cohort of men with a family history of prostate cancer to evaluate the utility of a targeted screening approach for these men.Methods: We reviewed patient demographics, clinical screening characteristics, pathological features, and treatment outcomes between a group of BRCA1 or BRCA2 mutation carriers and age-matched men with a family history of prostate cancer followed at our institutional Prostate Cancer Prevention Clinic from 1995 to 2012.Results: Screening characteristics were similar between the mutation carriers (n = 53) and the family history group (n = 53). Some cancers would be missed in both groups by using a PSA cut-off of >4 ug/L. While cancer detection was higher in the family history group (21% vs. 15%), the mutation carrier group was more likely to have intermediate- or high-risk disease (88% vs. 36%). BRCA2 mutation carriers were more likely to have aggressive disease, biological recurrence, and distant metastasis.Conclusions: In our cohort, regular screening appears justified for detecting prostate cancer in BRCA1 and BRCA2 carriers and other high-risk populations. Lowering PSA cut-offs and defining monitoring of PSA velocity as part of the screening protocol may be useful. BRCA2 is associated with more aggressive disease, while the outcome for BRCA1 mutation carriers requires further study. Large multinational studies will be important to define screening techniques for this unique high-risk population.

Identification of Women at Risk for Hereditary Breast and Ovarian Cancer in A Sample of 1000 Slovenian Women: A Comparison of Guidelines

2020 ◽  
Author(s):  
Urška Kotnik ◽  
Borut Peterlin ◽  
Luca Lovrecic
Keyword(s):  
Ovarian Cancer ◽  
At Risk ◽  
Family History ◽  
High Risk ◽  
Breast And Ovarian Cancer ◽  
Nccn Guidelines ◽  
Family History Of Cancer ◽  
Slovenian Population ◽  
History Of ◽  
History Of Cancer

Abstract Background: An important number of breast and ovarian cancer cases is due to a strong genetic predisposition. The main tool for identifying individuals at risk is recognizing a suggestive family history of cancer. We present a prospective study on applying three selected clinical guidelines to a cohort of 1000 Slovenian women to determine the prevalence of at-risk women according to each of the guidelines and analyze the differences amongst the guidelines.Methods: Personal and family history of cancer was collected for 1000 Slovenian women. Guidelines by three organizations: National Comprehensive Cancer Network (NCCN), American College of Medical Genetics in cooperation with National Society of Genetic Counselors (ACMG/NSGC), and Society of Gynecologic Oncology (SGO) were applied to the cohort. The number of women identified, the characteristics of the high-risk population, and the agreement between the guidelines were explored. Results: NCCN guidelines identify 16.7 % of women, ACMG/NSGC guidelines identify 7.1 % of women, and SGO guidelines identify 7.0 % of women from the Slovenian population, while 6.2 % of women are identified by all three guidelines as having high-risk for hereditary breast and ovarian cancer.Conclusions: We identified 17.4 % of women from the Slovenian population as being at an increased risk for breast and ovarian cancer based on their personal and family history of cancer using all of the guidelines. There are important differences between the guidelines. NCCN guidelines are the most inclusive, identifying more than twice the amount of women as high-risk for hereditary breast and ovarian cancer as compared to the AGMG/NSCG and SGO guidelines in the Slovenian population.

Impact of initial treatment selection on clinical outcomes after biochemical failure in radiorecurrent high-risk prostate cancer.

2020 ◽  
Vol 38 (6_suppl) ◽  
pp. 208-208
Author(s):  
Rebecca Levin-Epstein ◽  
Tahmineh Romero ◽  
Jessica Karen Wong ◽  
Kiri Cook ◽  
Robert Timothy Dess ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
High Risk ◽  
Initial Treatment ◽  
External Beam Radiotherapy ◽  
Oncologic Outcomes ◽  
Gleason Grade ◽  
Grade Group ◽  
High Risk Prostate Cancer ◽  
Risk Prostate Cancer ◽  
Median Interval

208 Background: Treatment of high risk prostate cancer (HRPCa) with external beam radiotherapy (EBRT) plus brachytherapy (BT) boost (EBRT+BT) has been prospectively associated with lower rates of BCR, albeit potentially with increased toxicity, and retrospectively linked to decreased distant metastasis (DM) and PCa-specific mortality (PCSM) compared to EBRT alone. However, it is unclear whether patients who develop BCR following either approach have similar downstream oncologic outcomes. Methods: We identified 706 out of 3820 men with HRPCa treated at 13 institutions from 1998-2015 with EBRT (n=468/2134) or EBRT+BT (n=238/1686) who developed BCR. We compared rates of DM, PCSM, and all-cause mortality (ACM) after BCR between treatment groups using Fine-Gray competing risk regression. Models were adjusted for age, Gleason grade group, initial PSA (iPSA), clinical T stage, time-dependent use of systemic salvage, and interval to BCR using inverse probability of treatment weighting. Results: Median follow-up was 9.9 years from RT and 4.8 years from BCR. Groups were similar in age, iPSA, presence of ≥2 HR features, and median interval to BCR (3.3 years). Most men received neoadjuvant/concurrent androgen deprivation therapy (ADT), 92.5% and 91.0% for EBRT and EBRT+BT, respectively, though for a longer duration with EBRT (median 14.7 vs. 9.0 months, p=0.0012). Local and systemic salvage rates were 2.3% and 36.3% after EBRT, and 2.6% and 43.6% after EBRT+BT, respectively. Initial EBRT+BT was associated with significantly lower rates of DM after BCR (HR 0.48, 95% CI 0.36-0.64, p<0.001). Rates of PCSM and ACM did not significantly differ (HR 0.93, 95% CI 0.67-1.30, p=0.93, and HR 0.8, 95% CI 0.6-1.1, p=0.11, respectively). Conclusions: In this large retrospective series of radiorecurrent HRPCa, initial treatment with EBRT+BT was associated with significantly lower rates of DM after BCR compared with EBRT, despite shorter ADT use and a similar median interval to BCR. Local salvage was widely underutilized in both groups. In the absence of salvage for local failure after EBRT, upfront treatment intensification with BT may reduce DM, though not PCSM or ACM, even after development of BCR.

scholarly journals No detrimental effect of a positive family history on postoperative upgrading and upstaging in men with low risk and favourable intermediate-risk prostate cancer: implications for active surveillance

2020 ◽  
Author(s):  
Kathleen Herkommer ◽  
Nikola Maier ◽  
Donna P. Ankerst ◽  
Stefan Schiele ◽  
Jürgen E. Gschwend ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Family History ◽  
Active Surveillance ◽  
Detrimental Effect ◽  
Clinical Decision Making ◽  
Positive Family History ◽  
Low Risk ◽  
Gleason Grade ◽  
Intermediate Risk ◽  
History Of

Abstract Purpose To assess whether a first-degree family history or a fatal family history of prostate cancer (PCa) are associated with postoperative upgrading and upstaging among men with low risk and favourable intermediate-risk (FIR) PCa and to provide guidance on clinical decision making for active surveillance (AS) in this patient population. Methods Participants in the German Familial Prostate Cancer database diagnosed from 1994 to 2019 with (1) low risk (clinical T1c–T2a, biopsy Gleason Grade Group (GGG) 1, PSA < 10 ng/ml), (2) Gleason 6 FIR (clinical T1c–T2a, GGG 1, PSA 10–20 ng/ml), and (3) Gleason 3 + 4 FIR (clinical T1c–T2a, GGG 2, PSA < 10 ng/ml) PCa who were subsequently treated with radical prostatectomy (RP) were analysed for upgrading, defined as postoperative GGG 3 tumour or upstaging, defined as pT3–pT4 or pN1 disease at RP. Logistic regression analysis was used to assess whether PCa family history was associated with postoperative upgrading or upstaging. Results Among 4091 men who underwent RP, mean age at surgery was 64.4 (SD 6.7) years, 24.7% reported a family history, and 3.4% a fatal family history. Neither family history nor fatal family history were associated with upgrading or upstaging at low risk, Gleason 6 FIR, and Gleason 3 + 4 FIR PCa patients. Conclusion Results from the current study indicated no detrimental effect of family history on postoperative upgrading or upstaging. Therefore, a positive family history or fatal family history of PCa in FIR PCa patients should not be a reason to refrain from AS in men otherwise suitable.

Inherited germline mutations in men with prostate cancer.

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. e16564-e16564
Author(s):  
Robert Reid ◽  
Marcie DiGiovanni ◽  
Ryan Bernhisel ◽  
Krystal Brown ◽  
Jennifer Saam ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Genetic Testing ◽  
Family History ◽  
Hereditary Cancer ◽  
Clinical Information ◽  
Nccn Guidelines ◽  
Commercial Laboratory ◽  
Pathogenic Variants ◽  
Age Of Diagnosis ◽  
History Of

e16564 Background: Recent studies have demonstrated a high prevalence of pathogenic variants (PVs) in genes that confer hereditary cancer risk among men with metastatic prostate cancer (PC); however, PC does not currently receive attention as an indication for genetic testing. We assessed the clinical features of men with PC who received clinical testing as well as the distribution of PVs identified. Methods: A commercial laboratory database was queried to identify men with PC who underwent testing with a multi-gene hereditary cancer panel from September 2013–September 2016. Clinical information was obtained from provider-completed test request forms. Individuals with PC only were evaluated separately from those who had ≥1 additional malignancy. Personal/family history was evaluated relative to the 2013 NCCN guidelines for hereditary breast and ovarian cancer (HBOC) testing. Results: Overall, 700 men with a personal history of PC were identified: 384 (54.9%) with only PC and 316 (45.1%) with PC and ≥1 additional malignancy. The most common additional malignancies were colorectal (115) and breast cancer (105). The median age of diagnosis in men with only PC was 57.5, which is younger than tested men who had an additional malignancy (62) and the SEER data (2009-2013) for all men with PC (66). HBOC testing criteria were met by 75.9% of men, including 44 (6.3%) who met based only on a personal/family history of PC and 202 (28.9%) who met in part due to a personal/family history of PC. PVs were identified in 14.0% of all men: 11.5% of men with PC only and 17.1% of men with PC and a second malignancy (see Table). Conclusions: PC patients selected for genetic testing here were younger than men diagnosed with PC from the general population (SEER), and almost half had a diagnosis of an additional malignancy. They also have a high positive mutation rate across a broad spectrum of genes. [Table: see text]

Inherited germline mutations in men with prostate cancer.

2018 ◽  
Vol 36 (6_suppl) ◽  
pp. 357-357
Author(s):  
Robert Reid ◽  
Marcie DiGiovanni ◽  
Ryan Bernhisel ◽  
Krystal Brown ◽  
Jennifer Saam ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Genetic Testing ◽  
Family History ◽  
Hereditary Cancer ◽  
Clinical Information ◽  
Nccn Guidelines ◽  
Pathogenic Variants ◽  
Seer Data ◽  
Age Of Diagnosis ◽  
History Of

357 Background: Recent studies have demonstrated a high prevalence of pathogenic variants (PVs) in genes that confer hereditary cancer risk among men with metastatic prostate cancer (PC); however, PC does not currently receive attention as an indication for genetic testing. We assessed the clinical features of men with PC who received clinical testing as well as the distribution of PVs identified. Methods: Men with PC who underwent testing with a multi-gene hereditary cancer panel (Myriad Genetic Laboratories) from September 2013–September 2017 were included. Clinical information was obtained from provider-completed test request forms. Individuals with PC only were evaluated separately from those who had ≥1 additional malignancy. Personal/family history was evaluated relative to the 2013 NCCN guidelines for hereditary breast and ovarian cancer (HBOC) testing. Results: Overall, 1004 men with a personal history of PC were identified: 606 (60.4%) with only PC and 398 (39.6%) with PC and ≥1 additional malignancy. The most common additional malignancies were breast (136) and colorectal cancer (134). The median age of diagnosis in men with only PC was 59, which is younger than tested men who had an additional malignancy (63) and the SEER data (2009-2013) for all men with PC (66). HBOC testing criteria were met by 78.0% of men, including 68 (6.8%) who met based only on a personal/family history of PC and 330 (32.9%) who met in part due to a personal/family history of PC. PVs were identified in 12.9% of all men: 11.2% of men with PC only and 15.4% of men with PC and a second malignancy (Table). Conclusions: PC patients selected for genetic testing here were younger than men diagnosed with PC from the general population (SEER), and about a third had a diagnosis of an additional malignancy. They also have a high positive mutation rate across a broad spectrum of genes. [Table: see text]

Clinical characteristics of men with prostate cancer and evaluation of NCCN prostate cancer guidelines on germline genetic testing outcomes.

2019 ◽  
Vol 37 (7_suppl) ◽  
pp. 252-252
Author(s):  
Samantha Greenberg ◽  
Brock O'Neil ◽  
Kathleen A. Cooney ◽  
Lisa M. Pappas ◽  
Jonathan David Tward
Keyword(s):  
Prostate Cancer ◽  
Genetic Testing ◽  
Family History ◽  
High Risk ◽  
Clinical Characteristics ◽  
Genetic Counselor ◽  
Clinical Information ◽  
Risk Groups ◽  
Genetic Test Results ◽  
History Of

252 Background: Growing evidence suggests up to 12% of men with metastatic prostate cancer (PC) harbor a pathogenic variant (PV) in genes associated with hereditary cancer risk. Updated NCCN PC guidelines include consideration for germline testing (GT) in men with high risk, very high risk, regional, or metastatic PC. As a result, we expanded our criteria for GT in men with PC to include these groups and men with a strong family history for PC beginning in January 2018. This study reports the clinical characteristics and germline findings before and after this expansion. Methods: Men with PC underwent multi-gene genetic testing (GT) for PVs from June 2016-June 2018 with genetic counselors. Clinical information and germline GT results were analyzed. Results: Of 285 eligible men who met with a genetic counselor, there were 201 evaluable GT results. One PV was excluded for suspicion of clonal hematopoiesis of indeterminate potential. Twenty-seven PVs were identified in 24 men (12.4%). Three men had two PVs identified (1.5%), at least one PV of which was in ATM or BRCA2. The most common PVs were ATM (n = 6, 3.0%), BRCA2 (n = 7, 3.5%), MYH (n = 4, 2.0%), and HOXB13 (n = 4, 2.0%). Rate of PVs were not statistically different across the two timeframes of GT, (2016-17, 14%; 2018, 11.2%; p = 0.60). PVs were not statistically associated with a higher ISUP group (1-3: 10.1%, 4-5: 13.6%; p = 0.49) and were distributed across multiple NCCN risk groups. Almost all men tested reported a family history of cancer, with the most frequent cancers reported including PC (n = 79, 39.3%), breast (n = 55, 27.4%), and colon cancer (n = 23, 11.4%). Family history of PC was not statistically associated with genetic test results (PV: 54%, no PV: 37%; p = 0.11). Conclusions: Expanding germline GT criteria will substantially increase patient volume without significant changes to the PV rate. Higher PC risk defined by ISUP or NCCN was not associated with the rate of PVs. Given this finding, further broadening the criteria for GT in PC may be warranted.

scholarly journals The prevalence and locations of bone metastases using whole-body MRI in treatment-naïve intermediate- and high-risk prostate cancer

2020 ◽  
Author(s):  
Fredrik Ottosson ◽  
Eduard Baco ◽  
Peter M. Lauritzen ◽  
Erik Rud
Keyword(s):  
Prostate Cancer ◽  
High Risk ◽  
Bone Metastases ◽  
Whole Body ◽  
Gleason Grade ◽  
Grade Group ◽  
Whole Body Mri ◽  
High Risk Prostate Cancer ◽  
Treatment Naïve ◽  
Group 3

Abstract Objective The aim of this study was to assess the prevalence and distribution of bone metastases in treatment-naïve prostate cancer patients eligible for a metastatic workup using whole-body MRI, and to evaluate the results in light of current guidelines. Methods This single-institution, retrospective study included all patients with treatment-naïve prostate cancer referred to whole-body MRI during 2016 and 2017. All were eligible for a metastatic workup according to the guidelines: PSA > 20 ng/ml and/or Gleason grade group ≥ 3 and/or cT ≥ 2c and/or bone symptoms. The definition of a metastasis was descriptive and based on the original MRI reports. The anatomical location of metastases was registered. Results We included 161 patients with newly diagnosed prostate cancer of which 36 (22%) were intermediate-risk and 125 (78%) were high-risk. The median age and PSA were 71 years (IQR 64–76) and 13 ng/ml (IQR 8–28), respectively. Bone metastases were found in 12 patients (7%, 95% CI: 4–13), and all were high-risk with Gleason grade group ≥ 4. The pelvis was affected in 4 patients, and the spine + pelvis in the remaining 8. No patients demonstrated metastases to the spine without concomitant metastases in the pelvis. Limitations are the small number of metastases and retrospective design. Conclusion This study suggests that the overall prevalence of bone metastases using the current guidelines for screening is quite low. No metastases were seen in the case of Gleason grade group ≤ 3, and further studies should investigate if it necessary to screen non-high-risk patients. Key Points • The overall prevalence of bone metastases was 7% in the case of newly diagnosed intermediate- and high-risk prostate cancer. • The prevalence in high-risk patients was 10%, and no metastases were seen in patients with Gleason grade group ≤ 3. • The pelvic skeleton is the main site, and no metastases occurred in the spine without concomitant pelvic metastases.

scholarly journals Identification of women at risk for hereditary breast and ovarian cancer in a sample of 1000 Slovenian women: a comparison of guidelines

BMC Cancer ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Urska Kotnik ◽  
Borut Peterlin ◽  
Luca Lovrecic
Keyword(s):  
Ovarian Cancer ◽  
At Risk ◽  
Family History ◽  
High Risk ◽  
Breast And Ovarian Cancer ◽  
Nccn Guidelines ◽  
Family History Of Cancer ◽  
Slovenian Population ◽  
History Of ◽  
History Of Cancer

Abstract Background An important number of breast and ovarian cancer cases is due to a strong genetic predisposition. The main tool for identifying individuals at risk is recognizing a suggestive family history of cancer. We present a prospective study on applying three selected clinical guidelines to a cohort of 1000 Slovenian women to determine the prevalence of at-risk women according to each of the guidelines and analyze the differences amongst the guidelines. Methods Personal and family history of cancer was collected for 1000 Slovenian women. Guidelines by three organizations: National Comprehensive Cancer Network (NCCN), American College of Medical Genetics in cooperation with National Society of Genetic Counselors (ACMG/NSGC), and Society of Gynecologic Oncology (SGO) were applied to the cohort. The number of women identified, the characteristics of the high-risk population, and the agreement between the guidelines were explored. Results NCCN guidelines identify 13.2% of women, ACMG/NSGC guidelines identify 7.1% of women, and SGO guidelines identify 7.0% of women from the Slovenian population, while 6.2% of women are identified by all three guidelines as having high-risk for hereditary breast and ovarian cancer. Conclusions We identified 13.7% of women from the Slovenian population as being at an increased risk for breast and ovarian cancer based on their personal and family history of cancer using all of the guidelines. There are important differences between the guidelines. NCCN guidelines are the most inclusive, identifying nearly twice the amount of women as high-risk for hereditary breast and ovarian cancer as compared to the AGMG/NSCG and SGO guidelines in the Slovenian population.

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