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Klevebring D, Lindberg J, Rockberg J, Hilliges C, Hall P, Sandberg M, Czene K. Exome sequencing of contralateral breast cancer identifies metastatic disease. Breast Cancer Res Treat 2015; 151:319-24. [DOI: 10.1007/s10549-015-3403-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 04/22/2015] [Indexed: 11/28/2022]
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Font-Gonzalez A, Liu L, Voogd AC, Schmidt MK, Roukema JA, Coebergh JWW, de Vries E, Soerjomataram I. Inferior survival for young patients with contralateral compared to unilateral breast cancer: a nationwide population-based study in the Netherlands. Breast Cancer Res Treat 2013; 139:811-9. [PMID: 23760860 DOI: 10.1007/s10549-013-2588-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 05/29/2013] [Indexed: 11/29/2022]
Abstract
To compare overall survival between women with unilateral breast cancer (UBC) and contralateral breast cancer (CBC). Women with UBC (N = 182,562; 95 %) and CBC (N = 8,912; 5 %) recorded in the Netherlands Cancer Registry between 1989 and 2008 were included and followed until 2010. We incorporated CBC as a time-dependent covariate to compute the overall mortality rate ratio between women with CBC and UBC. Prognostic factors for overall death were examined according to age at first breast cancer. Women with CBC exhibited a 30 % increase in overall mortality (Hazard Ratio (HR), 95 % Confidence Interval: 1.3, 1.3-1.4) compared with UBC, decreasing with rising age at diagnosis of first breast cancer (<50 years: 2.3, 2.2-2.5 vs. ≥70 years: 1.1, 1.0-1.1). Women older than 50 years at CBC diagnosis and diagnosed 2-5 years after their first breast cancer exhibited a 20 % higher death risk (1.2, 1.0-1.3) compared to those diagnosed within the first 2 years. In women younger than 50 years, the HR was significantly lower if the CBC was diagnosed >5 years after the first breast cancer (0.7, 0.5-0.9). The prognosis for women with CBC significantly improved over time (2004-2008: 0.6, 0.5-0.7 vs. 1989-1993). Women with CBC had a lower survival compared to women with UBC, especially those younger than 50 years at first breast cancer diagnosis. A tailored follow-up strategy beyond current recommendations is needed for these patients who, because of their age and absence of known familial risk, are currently not invited for population-based screening.
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Affiliation(s)
- A Font-Gonzalez
- Department of Public Health, Erasmus University Medical Center, PO Box 2040, Rotterdam 3000 CA, The Netherlands
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Sandberg MEC, Hartman M, Klevebring D, Eloranta S, Ploner A, Hall P, Czene K. Prognostic implications of estrogen receptor pattern of both tumors in contralateral breast cancer. Breast Cancer Res Treat 2012; 134:793-800. [PMID: 22622811 DOI: 10.1007/s10549-012-2096-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2012] [Accepted: 05/10/2012] [Indexed: 02/07/2023]
Abstract
Estrogen receptor (ER) status is important for breast cancer survival, it is however unclear how prognosis of contralateral breast cancer (CBC) is affected by ER-status of the two tumors. We conducted a large, population-based study of ER-status of both tumors in CBC patients and its influence on prognosis. The cohort consisted of all women diagnosed with CBC in Stockholm, Sweden during 1976-2005, with information on ER-status from medical records (N = 933). Prognosis was modeled as incidence rates of distant metastasis via Poisson regression. The proportion of CBCs with both cancers of the same ER-status was significantly larger than expected by chance. For synchronous (simultaneous) cancers the prognosis was significantly affected by the combined ER-status of both tumors (p = 0.01). Compared to unilateral breast cancer patients the incidence rate ratio (IRR) for patients with double ER-positive tumors was 1.25 (95 % CI: 0.88-1.76), for ER-discordant tumors 2.19 (95 % CI: 1.18-4.08) and for double ER-negative tumors 3.95 (95 % CI: 1.77-8.81). For metachronous (non-simultaneous) cancers, women with double ER-positive tumors had similarly bad prognosis (IRR = 2.95; 95 % CI: 2.39-3.64) as women with double ER-negative tumors (IRR = 2.88; 95 % CI: 1.83-4.52). Both shorter time span between first and second cancer and endocrine therapy for the first cancer further worsened prognosis of women with double ER-positive metachronous CBC. For synchronous CBC patients, ER-pattern of both tumors is an important prognosticator, while among metachronous CBC patients, double ER-positive tumors confer equally bad prognosis as double ER-negative cancers. Our results indicate that this might be due to endocrine therapy resistance.
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Affiliation(s)
- Maria E C Sandberg
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
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Shi YX, Xia Q, Peng RJ, Yuan ZY, Wang SS, An X, Cao Y, Tan YT, Jin Y, Cai XY, Sun YL, Teng XY, Liu DG, Jiang WQ. Comparison of clinicopathological characteristics and prognoses between bilateral and unilateral breast cancer. J Cancer Res Clin Oncol 2012; 138:705-14. [DOI: 10.1007/s00432-011-1141-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2011] [Accepted: 12/22/2011] [Indexed: 12/24/2022]
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5
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Vichapat V, Garmo H, Holmberg L, Fentiman IS, Tutt A, Gillett C, Lüchtenborg M. Prognosis of metachronous contralateral breast cancer: importance of stage, age and interval time between the two diagnoses. Breast Cancer Res Treat 2011; 130:609-18. [PMID: 21671018 DOI: 10.1007/s10549-011-1618-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Accepted: 05/28/2011] [Indexed: 01/05/2023]
Abstract
Studies comparing the prognosis after contralateral breast cancer (CBC) with that after unilateral breast cancer (UBC) shows conflicting results. We assessed the risk of breast cancer-specific death for women with metachronous CBC compared to those with a UBC in 8,478 women with invasive primary breast cancer registered in the Guy's and St. Thomas' Breast Cancer Tissue and Data Bank. Risk factors associated with breast cancer-specific death for women with CBC were estimated using Cox proportional hazards modelling. Prognoses after UBC and CBC were compared, with survival time for women with CBC calculated: (i) from CBC, (ii) from the initial cancer with CBC as a time-dependent covariate. Women diagnosed with CBC within 5 years after the initial primary breast cancer had a worse prognosis than those with CBC after 5 years and those with UBC. Women with CBC who had positive lymph nodes at the initial breast cancer diagnosis were at an increased risk of dying from breast cancer compared to those without [HR 2.5 (95% CI 1.5-4.0)]. For all stages of the initial breast cancer, a worse prognosis was observed after CBC. CBC increased the hazard originating from the initial cancer at any follow-up time, but the highest hazards were associated with a short interval to CBC. Metachronous CBC adds to the risk of dying from breast cancer. The risk increases substantially when it occurs shortly after the initial cancer, indicating a CBC in some instances may be an indicator of active distant disease. The occurrence of CBC implies a new surveillance and therapeutic situation.
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Affiliation(s)
- Voralak Vichapat
- Cancer Epidemiology Group, Division of Cancer Studies, School of Medicine, King's College London, London, UK.
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6
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Bilateral breast cancer: analysis of incidence, outcome, survival and disease characteristics. Breast Cancer Res Treat 2010; 126:131-40. [DOI: 10.1007/s10549-010-1057-y] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2010] [Accepted: 07/08/2010] [Indexed: 11/26/2022]
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7
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Cumulative survival in early-onset unilateral and bilateral breast cancer: an analysis of 1907 Taiwanese women. Br J Cancer 2009; 100:563-70. [PMID: 19190627 PMCID: PMC2653740 DOI: 10.1038/sj.bjc.6604898] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
As the epidemiological pattern of breast cancer in modernising Asian countries differs greatly from that in Western countries, it is worthwhile to investigate the long-term prognoses of unilateral and bilateral breast cancer in these nations. A retrospective cohort study composed of 1907 Taiwanese women was conducted to follow 1863 unilateral and 44 bilateral cases of breast cancer. Time-dependent Cox regression was used to assess the risk of breast cancer death by considering the time course of unilateral and bilateral tumour development. The 15-year survival rates were 68.37, 62.63, and 26.42% for unilateral, synchronous bilateral, and metachronous bilateral breast cancer, respectively. Differences among types were most apparent after 5 years of follow-up. After adjusting for significant prognostic factors, the risk of death for overall bilateral breast cancer was 2.50-fold greater (95% CI, 1.43-4.37) compared to unilateral breast cancer. The corresponding figures were 1.12-fold (95% CI, 0.42-3.02) and 6.11-fold (95% CI, 3.14-11.89) for synchronous and metachronous bilateral breast cancer, respectively. Taiwanese women, who are frequently diagnosed with breast cancer before 50 years of age, showed poorer survival for metachronous bilateral than for synchronous bilateral or unilateral breast cancer. Survival was markedly poorer compared to recent data from Sweden.
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Beinart G, Gonzalez-Angulo AM, Broglio K, Mejia J, Ruggeri A, Mininberg E, Hortobagyi GN, Valero V. Clinical Course of 771 Patients with Bilateral Breast Cancer: Characteristics Associated with Overall and Recurrence-Free Survival. Clin Breast Cancer 2007; 7:867-74. [DOI: 10.3816/cbc.2007.n.052] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Shahedi K, Emanuelsson M, Wiklund F, Gronberg H. High risk of contralateral breast carcinoma in women with hereditary/familial non-BRCA1/BRCA2 breast carcinoma. Cancer 2006; 106:1237-42. [PMID: 16475207 DOI: 10.1002/cncr.21753] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND The objectives of the current study were to estimate the risk of developing contralateral breast carcinoma (CBC) among women with hereditary/familial non-BRCA1/BRCA2 breast carcinoma and to determine the factors that may predict their risk of CBC. METHODS The study sample consisted of all families (n = 217 families) that were referred between 1994-2001 to the Clinic of Cancer Genetics at the University Hospital of Umeå for suspected hereditary breast carcinoma. The study included all women in the 217 families who had carcinoma of the breast as their first primary invasive malignancy diagnosed between 1970-2001 in northern Sweden. Exclusion criteria were an estimated lifetime risk < 20%, BRCA1/BRCA2 mutation, noninvasive carcinoma (ductal or lobular carcinoma in situ), and bilateral breast carcinoma. In the final analysis, 204 women were included from 120 families. RESULTS The cumulative probability of developing CBC among women who had hereditary/familial non-BRCA1/BRCA2 breast carcinoma after 20 years was 27.3% (95% confidence interval, 15.0-37.8) compared with the expected risk (4.9%) among women in northern Sweden who had primary breast carcinoma. A significantly increased risk of CBC was associated with age younger than 50 years at the time of diagnosis of the first primary breast carcinoma (P = 0.006). Adjuvant hormone therapy reduced the risk of CBC (P = 0.036). CONCLUSIONS Women with hereditary/familial non-BRCA1/BRCA2 breast carcinoma had a high risk of developing CBC. This risk was attenuated further among women who were younger at the time of onset, who had a cumulative probability of developing CBC of nearly 40% after 15 years, which is similar to the estimated risk among BRCA1/BRCA2 mutation carriers. The results of this study emphasized the importance of genetic counseling for these women.
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Affiliation(s)
- Katarina Shahedi
- Department of Radiation Sciences/Oncology, University of Umeå, Umeå, Sweden
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10
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Kuo WH, Yen AMF, Lee PH, Hou MF, Chen SC, Chen KM, Chen THH, Chang KJ. Incidence and risk factors associated with bilateral breast cancer in area with early age diagnosis but low incidence of primary breast cancer: analysis of 10-year longitudinal cohort in Taiwan. Breast Cancer Res Treat 2006; 99:221-8. [PMID: 16544057 DOI: 10.1007/s10549-006-9194-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2006] [Accepted: 02/07/2006] [Indexed: 11/27/2022]
Abstract
This study aims to examine the incidence and risk factors of bilateral breast cancer in area with low incidence rate. A total of 120 and 1902 women with bilateral and unilateral breast cancers were enrolled; various factors, including those concerning their medical history and life style, were extracted. Using Kaplan-Meier method, we calculate the cumulative incidence of contralateral breast cancer. The results show as follows. The cumulative incidences of contralateral breast cancer at 1, 3, 5 years after diagnosis of first breast cancer were 1.15, 1.94, and 2.97%, respectively. The statistically significant risk factors included menopause (Hazard Ratio (HR) =1.56, (1.00-2.42)), invasive lobular carcinoma (HR=2.98, (1.35-6.56)), receiving chemotherapy (HR=2.21, (1.43-3.42)) and/or radiotherapy (HR=3.32, (2.19-5.05) and a protective factor was tamoxifen therapy (HR=0.5 (0.34-0.74). Size of the second occurred tumour (2.97 cm) tended to be smaller than the first one (3.58 cm) with borderline statistical significance (p=0.0731). Comparing to the existing data on Western countries, we find a higher risk for developing contralateral breast cancer in Taiwan where a low incidence of first breast cancer rate with early age diagnosis is noted. It suggests that first primary breast tumour with early age of onset and lobular carcinoma are found more likely to develop bilateral breast cancers.
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MESH Headings
- Adult
- Breast Neoplasms/diagnosis
- Breast Neoplasms/epidemiology
- Breast Neoplasms/therapy
- Carcinoma, Ductal, Breast/diagnosis
- Carcinoma, Ductal, Breast/epidemiology
- Carcinoma, Ductal, Breast/therapy
- Carcinoma, Intraductal, Noninfiltrating/diagnosis
- Carcinoma, Intraductal, Noninfiltrating/epidemiology
- Carcinoma, Intraductal, Noninfiltrating/therapy
- Carcinoma, Lobular/diagnosis
- Carcinoma, Lobular/epidemiology
- Carcinoma, Lobular/therapy
- Cohort Studies
- Female
- Humans
- Incidence
- Longitudinal Studies
- Lymphatic Metastasis/pathology
- Menopause
- Middle Aged
- Risk Factors
- Taiwan/epidemiology
- Time Factors
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Affiliation(s)
- Wen-Hung Kuo
- Department of Surgery, College of Medicine, National Taiwan University Hospital, Taipei, Taiwan
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Takahashi H, Watanabe K, Takahashi M, Taguchi K, Sasaki F, Todo S. The impact of bilateral breast cancer on the prognosis of breast cancer: a comparative study with unilateral breast cancer. Breast Cancer 2005; 12:196-202. [PMID: 16110289 DOI: 10.2325/jbcs.12.196] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND The clinical significance of bilateral breast cancer is unclear and its influence on prognosis is controversial. We assessed the impact of synchronous and metachronous bilateral breast cancer on the prognosis compared with unilateral breast cancer. METHODS Between January 1, 1960 and December 31, 2001, 1,214 women were treated for primary operable breast cancers. Thirteen (1.1%) had synchronous bilateral breast cancer; 33 (2.7%) had a metachronous contralateral breast cancer. We compared age at operation, menopausal status, clinical stage, tumor size and histology, lymph node status, hormone receptor status, and use of adjuvant chemotherapy or hormone therapy, and we analyzed the impact of these factors on recurrence and survival in the 46 patients with bilateral breast cancer and the 1,168 patients with unilateral breast cancer. RESULTS The 5-and 10-year disease-free survival rates, respectively, were 65% and 65% in metachronous cases, 85.7% and 64.3% in synchronous cases, and 77.9% and 72.1% in unilateral cases. There was no significant difference in overall survival among the three groups. On multivariate analysis, metachronous bilaterality, tumor size, lymph node status and adjuvant hormone therapy were each independent risk factors for recurrence, whereas bilaterality of breast cancer did not influence overall survival. CONCLUSIONS Our data suggest that metachronous bilateral breast cancer is associated with shorter disease-free survival than synchronous bilateral or unilateral breast cancer, although overall survival does not differ among the 3 groups. Patients with metachronous bilateral breast cancer should be followed particularly closely in order to detect recurrence early and maximize quality of life.
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Affiliation(s)
- Hiromasa Takahashi
- Department of Pediatric Surgery, Hokkaido University Postgraduate School of Medicine, Kita-15 Nishi-7 Kita-ku 060-8638 Sapporo, Japan.
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12
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Mertens WC, Hilbert V, Makari-Judson G. Contralateral Breast Cancer: Factors Associated with Stage and Size at Presentation. Breast J 2004; 10:304-12. [PMID: 15239788 DOI: 10.1111/j.1075-122x.2004.21333.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Few reports have evaluated factors associated with the stage at presentation of contralateral breast cancer and whether contralateral cancer presentation has changed in recent years, during which increased screening and enhanced adjuvant therapy of the initial tumor has been introduced. Patients with initial cancers staged 0-IIIB diagnosed between 1980 and 1999 who subsequently developed contralateral breast cancer were evaluated for stage, primary tumor size and histologic features, patient age and year of diagnosis, synchronous or metachronous presentation, and time from initial tumor to diagnosis of contralateral breast cancer. Tumor presentation was compared with contemporaneously diagnosed unilateral breast cancer patients. A total of 171 patients were diagnosed with contralateral breast cancer; 161 cases if lobular carcinoma in situ for either the initial or the contralateral tumor were excluded. Contralateral tumors were of significantly smaller size and of earlier stage than initial tumors. Contralateral cancers demonstrated earlier stage distributions with more recent year of diagnosis; initial tumors in contralateral patients did not. Earlier stage at presentation of contralateral tumors was associated in a multivariate model with more recent year of contralateral tumor diagnosis and earlier stage at presentation of the initial tumor; contralateral tumor size was associated with the size of the initial tumor. More recently diagnosed contralateral breast cancers are presenting with earlier stages of disease. The stages of initial tumors in these patients have not undergone such an improvement. Initial tumor size and stage is strongly associated with contralateral breast cancer size and stage; this association is independent of the year of diagnosis. Increased compliance with screening might be expected to improve both initial tumor stage and tumor size presentations in contralateral tumor patients, as well as the presentation of contralateral cancers.
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Affiliation(s)
- Wilson C Mertens
- Baystate Regional Cancer Program, Springfield, Massachusetts 01107, USA.
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Van Goethem M, Schelfout K, Jacobs W, Verslegers I, Biltjes I, De Raeve H, De Schepper A. MR mammography of a primary squamous cell carcinoma of the breast: a case report. Breast 2003; 12:212-4. [PMID: 14659329 DOI: 10.1016/s0960-9776(03)00008-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
A case of a primary squamous cell carcinoma of the breast in a patient with synchronous contralateral invasive ductal adenocarcinoma is reported. To our knowledge, no dynamic MR mammography of this pathology is described in the literature. On MR, it presented as a mainly non-enhancing, partially cystic mass with an enhancing irregular peripheral rim. In the differential diagnosis of a mass with unsharp margins and an irregular border of the cystic or the non-enhancing area on MR mammography, a primary squamous cell carcinoma must be included.
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Bernstein JL, Lapinski R, Lynch C, Holford T, Thompson WD. Factors influencing mortality among young women with second primary breast carcinoma. Cancer 2002; 95:2051-8. [PMID: 12412157 DOI: 10.1002/cncr.10950] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Tumor characteristics are strong predictors of survival among women with breast carcinoma, yet the variability in prognosis among women presenting with similar stages suggests other factors may also play an important role. We examine the prognostic significance of etiologic risk factors for breast carcinoma to determine whether factors that influence the development of breast carcinoma also affect the course of the disease among a prospective cohort of young women with bilateral breast carcinoma. METHODS The 369 U.S. women included in this study were from the Cancer and Steroid Hormone Study who were diagnosed with an invasive first primary breast carcinoma between 1980 and 1982 and a second primary breast carcinoma before 1999. Cox proportional hazards models were used to evaluate factors known and suspected to be associated with breast carcinoma and with survival, based on reporting at the time of the first primary. RESULTS One hundred sixty women died during the 16-18-year follow-up period. The adjusted 1, 5, 10, and 15-year survival rates following diagnosis of second primary breast carcinoma were 94%, 70%, 55%, and 49%, respectively. Survival rates werepoorest among the youngest women, those diagnosed with a second primary within 5 years of their first, poor African American women, women with either primary diagnosed at a later stage, those with less than 12 years of school, single women, and those with major weight gain between age 18 and adulthood. CONCLUSIONS This study provided little evidence that important etiologic factors for breast carcinoma predict mortality following diagnosis of a second primary breast carcinoma.
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MESH Headings
- Adult
- Age Factors
- Breast Neoplasms/diagnosis
- Breast Neoplasms/mortality
- Breast Neoplasms/radiotherapy
- Carcinoma, Ductal, Breast/diagnosis
- Carcinoma, Ductal, Breast/mortality
- Carcinoma, Ductal, Breast/radiotherapy
- Carcinoma, Medullary/diagnosis
- Carcinoma, Medullary/mortality
- Carcinoma, Medullary/radiotherapy
- Case-Control Studies
- Female
- Follow-Up Studies
- Humans
- Middle Aged
- Neoplasms, Second Primary/diagnosis
- Neoplasms, Second Primary/mortality
- Neoplasms, Second Primary/radiotherapy
- Proportional Hazards Models
- Risk Factors
- SEER Program
- Survival Rate
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Affiliation(s)
- Jonine L Bernstein
- Department of Community and Preventive Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA.
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15
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Carmichael AR, Bendall S, Lockerbie L, Prescott R, Bates T. The long-term outcome of synchronous bilateral breast cancer is worse than metachronous or unilateral tumours. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2002; 28:388-91. [PMID: 12099647 DOI: 10.1053/ejso.2002.1266] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
AIM There is uncertainty in the literature as to whether bilateral breast cancer carries a worse prognosis than unilateral disease because some studies suggest that the development of a second primary does not influence survival, while others report a decreased survival in patients suffering from bilateral disease. METHODS A prospectively accrued and regularly validated database of 1945 patients with breast cancer treated in a district general hospital between 1963 and 1999 was analysed for clinical and pathological tumour characteristics including family history, grade, type of tumour, treatment and outcome. RESULTS Five per cent of patients (92) suffered from metachronous and 43 (2%) from synchronous bilateral breast cancer. A family history of breast cancer was more common in patients with metachronous bilateral breast cancer (38%), compared with the unilateral group (15%) and the synchronous bilateral breast cancer group (17%) (chi(2)=22.9, P<0.001). Patients with synchronous bilateral breast cancer had a significantly worse overall survival when compared with those with metachronous bilateral or unilateral breast cancer (log-rank test chi(2)=6.1, P=0.047). CONCLUSION Women with metachronous breast cancer were more likely to have positive family history, while those with synchronous bilateral breast cancer tend to have shorter survival when compared with those with unilateral breast cancer. Synchronous bilaterality is not, however, an independent risk factor on multivariate analysis.
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Affiliation(s)
- A R Carmichael
- The Breast Unit, William Harvey Hospital, Ashford, Kent, TN24 0LZ, UK.
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16
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Lee MM, Heimann R, Powers C, Weichselbaum RR, Chen LM. Efficacy of Breast Conservation Therapy in Early Stage Bilateral Breast Cancer. Breast J 2002; 5:36-41. [PMID: 11348254 DOI: 10.1046/j.1524-4741.1999.005001036.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The purpose of this study was to evaluate the outcome of patients with bilateral breast cancer as compared to unilateral breast cancer treated with breast conservation therapy. Sixty patients with bilateral breast cancer (BBC) and 1,080 unilateral breast cancer (UBC) patients treated with breast conservation therapy from 1977 to 1994 were analyzed for outcome. Of the 60 bilateral patients, 44 were metachronous bilateral breast cancer patients (MBBC) and 16 were synchronous bilateral breast cancer patients (SBBC). The majority of patients received lumpectomy, axillary node dissection, and localized radiation therapy. Median tumor size was 1.4 cm for BBC and 1.5 cm for UBC patients. Median total dose to the tumor bed was 60 Gy for both unilateral and bilateral patients. Of the 44 MBBC patients, 14 received breast conservation for both the first and second lesions, while 30 received breast conservation for only the second metachronous lesion. Thus 58 lesions in 44 patients were treated with breast conservation therapy. Of the SBBC patients, 13 of 16 patients received breast-conserving therapy for both breasts, while 3 received a mastectomy for the second synchronous primary. Median follow-up was 50 months for SBBC patients, 45 months for MBBC patients, and 52 months for UBC patients. Local control and survival were analyzed in patients with SBBC, MBBC, and UBC. The interval to development of local recurrence and survival were calculated from the time of development of the second breast lesion in patients with MBBC. No differences were found for survival and failure-free survival in patients with SBBC, MBBC, or UBC. Five-year overall survival by lifetable analysis was 76% for SBBC, 78% for MBBC, and 87% for UBC patients (p = 0.32 by log-rank analysis). The 5-year failure-free survival was 79% for SBBC, 73% for MBBC, and 85% for UBC patients (p = 0.28 by log-rank analysis). No significant differences were seen for median age, tumor size, pathologic node status, tamoxifen use, chemotherapy use, or median total radiation dose for SBBC, MBBC, or UBC patients. A significant difference was found in the incidence of family history of breast cancer in patients with unilateral versus bilateral breast cancer (p = 0.028 by chi-square analysis). However, there was no difference in outcome of patients by family history of breast cancer. The local control was identical in both BBC and UBC patients, with a local failure rate of 3%. Therefore, breast conservation therapy in local-regional, early stage breast cancer is a rational and efficacious treatment modality for patients with SBBC, MBBC, and UBC.
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Affiliation(s)
- Misa M. Lee
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, Illinois
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Kollias J, Ellis IO, Elston CW, Blamey RW. Prognostic significance of synchronous and metachronous bilateral breast cancer. World J Surg 2001; 25:1117-24. [PMID: 11571945 DOI: 10.1007/bf03215857] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Women previously treated for primary operable breast cancer are at increased risk of developing cancer in the contralateral breast, but the clinical significance of this development is unclear. The purpose of this study was to assess the impact of synchronous bilateral breast cancer or the development of a metachronous contralateral breast primary on the prognosis. In a series of 3210 women age < or = 70 years treated between 1975 and 1995 for primary operable breast cancer, 106 were identified to have bilateral breast cancer. Of these women, 26 were noted to have synchronous bilateral breast primaries (0.8%), and 80 developed a contralateral breast cancer after treatment for an initial primary breast cancer. Using life-tables analysis, there was a significant difference in survival between women with unilateral breast cancer, those with synchronous bilateral breast cancers, and those with metachronous contralateral breast with survivals at 16 years of 53.8%, 42.4%, and 60.1%, respectively (p < 0.0001), from the date of the diagnosis of the first primary tumor. There was no difference in survival seen between the three groups when survival was calculated from the date of diagnosis of the second primary in cases of metachronous contralateral breast cancer (p = 0.31). When contralateral breast cancer was incorporated as a time-dependent covariate in a Cox multivariate model together with the three factors used to determine the Nottingham Prognostic Index (invasive tumor size, grade, and lymph node stage), contralateral breast cancer continued to be a significant prognostic determinant (p = 0.02). The survival of women with synchronous bilateral breast cancer or metachronous breast cancers diagnosed within 2 years of the original primary was worse than those with unilateral disease. However, the time duration to metachronous contralateral breast cancer did not have prognostic significance in a multivariate model compared with the prognostic features of the original primary.
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MESH Headings
- Adult
- Aged
- Breast Neoplasms/mortality
- Breast Neoplasms/pathology
- Breast Neoplasms/surgery
- Carcinoma, Intraductal, Noninfiltrating/mortality
- Carcinoma, Intraductal, Noninfiltrating/pathology
- Carcinoma, Intraductal, Noninfiltrating/surgery
- Female
- Follow-Up Studies
- Humans
- Middle Aged
- Multivariate Analysis
- Neoplasm Staging
- Neoplasms, Multiple Primary/mortality
- Neoplasms, Multiple Primary/pathology
- Neoplasms, Multiple Primary/surgery
- Neoplasms, Second Primary/mortality
- Neoplasms, Second Primary/pathology
- Neoplasms, Second Primary/surgery
- Prognosis
- Risk
- Survival Analysis
- Survival Rate
- Time Factors
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Affiliation(s)
- J Kollias
- Professorial Unit of Surgery, City Hospital, Hucknall Road, Nottingham NG5 1PB, UK.
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Rebasaa P, Vallverdúa H, Lermab E, Alonsoc M, Gómezd A, Fuentesc J, Llauradóe A, Ojedac B, Tríasa M. Cáncer bilateral de mama. Revisión de las características clínicas e histológicas. Cir Esp 2001. [DOI: 10.1016/s0009-739x(01)71845-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Anastasiadis PG, Liberis VA, Koutlaki NG, Skaphida PG, Avgidou KE, Galazios GCH. Incidence and Detection of Contralateral Breast Cancer. Breast J 2000; 6:178-182. [PMID: 11348361 DOI: 10.1046/j.1524-4741.2000.99081.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In this study we estimated the efficacy of contralateral breast biopsy as a subsidiary method of early detection of bilateral breast cancer. We performed blind biopsies in the upper outer quadrant of the opposite breast in 195 patients undergoing surgical treatment for primary breast cancer. The histologic examination of the biopsy specimens showed 12 malignant lesions, which accounts for an incidence of 6.1%. In detail, we had two infiltrating ductal cancers, two infiltrating lobular cancers, three ductal in situ cancers, and five lobular in situ cancers. The overall incidence of invasive disease was 2.05%. We concluded that contralateral breast biopsy should be reconsidered as a method for enhancing early detection of contralateral breast cancer in high-risk groups, especially when it meets the emotional needs of patients. Permission given, it is included in the main surgical treatment of patients, avoiding the cost and complications of anesthesia, and it is cosmetically acceptable, without being an emotional burden for the woman.
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Affiliation(s)
- Panagiotis G. Anastasiadis
- Department of Obstetrics and Gynaecology, General Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
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21
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Abstract
First primary, or unilateral, breast cancer (UBC) cases diagnosed in 1960-89 at the Cancer Institute (WIA), Chennai, India were followed-up until December 31, 1994. Patients with UBC (n = 3163) and those who developed second cancer in the contralateral breast (CBC) after the initial breast cancer (n = 67 or 2.1% of UBC) were analysed. Compared to UBC patients, those who developed CBC were younger at the time of diagnosis of initial breast cancer and had higher frequency of breast cancer among the family members. The relative survival rate takes into account competing causes of death and was estimated as the ratio of observed survival rate to the expected survival rate. The cumulative relative survival from UBC at 5 and 10 years were 51% and 41%, respectively, and the corresponding rates for CBC were 47% and 30%; the survival difference seen between UBC and CBC patients was not statistically significant. The survival rates among younger, middle-aged and older women were significantly different from each other in UBC but not in CBC patients. Both UBC and CBC with early stage disease had a better survival compared to late stage disease. Survival advantage was also seen among both UBC and CBC patients with family history of breast cancer compared to those without. The multivariate analysis by the life table proportional hazards model showed that the age at diagnosis is an independent prognostic factor for breast cancer. The study results should be interpreted in the light of small sample size of second cancers.
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Affiliation(s)
- C K Gajalakshmi
- Division of Epidemiology and Cancer Registry, Cancer Institute (WIA), Chennai, Tamilnadu, India.
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Hall NJ, Evans AJ, Kollias J, Denley H, Pinder SE, Ellis IO, Blamey RW, Wilson AR. Bilateral breast carcinomas: do they have similar mammographic features? Clin Radiol 1999; 54:434-7. [PMID: 10437693 DOI: 10.1016/s0009-9260(99)90827-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
AIMS This study compared the mammographic appearance, site and histological features of synchronous and metachronous bilateral breast carcinomas. METHODS Site, type of abnormality and background pattern seen on the diagnostic mammograms of 63 women with bilateral breast carcinoma were compared. The histological type and grade of all the carcinomas were verified by histological review. RESULTS There was a tendency for the contralateral tumour to have similar mammographic features to those of the initial tumour. In patients in whom the first carcinoma was visible purely as a mass, the contralateral carcinoma had a similar appearance in 82% (P < 0.001). When the original tumour showed mammographic calcification the contralateral tumour did so in 65% (P< 0.001). Normal mammography or calcification alone were seen almost exclusively in women with a dense background pattern (100% and 92% respectively) while masses and calcification with masses were seen in women with dense and fatty patterns (58% and 35% dense respectively). When the mammographic site of the contralateral tumour was compared with that of the first tumour no significant correlation could be demonstrated. There was a significant trend for contralateral carcinomas to be of the same histological grade (P < 0.005) but not histological type. CONCLUSIONS Contralateral carcinomas often have a similar mammographic appearance to the first tumours. Two factors may be responsible: (i) the tendency for contralateral carcinomas to be of the same histological grade and (ii) the influence of mammographic background pattern on the radiological appearance of breast carcinoma. This knowledge may assist in the interpretation of follow-up mammography in patients with a previous breast carcinoma.
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Affiliation(s)
- N J Hall
- The Breast Team, Nottingham City Hospital, UK
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Hemminki K, Vaittinen P. Familial risks in second primary breast cancer based on a family cancer database. Eur J Cancer 1999; 35:455-8. [PMID: 10448299 DOI: 10.1016/s0959-8049(98)00378-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The nationwide Swedish Family Cancer Database was used to analyse the risk of breast cancer in daughters of mothers presenting second, bilateral breast cancer. The database contained information on family relationships and cancers of mothers and daughters when the daughter was born after 1940, totalling 55,411 maternal and 9966 daughters' primary breast cancers. Some 95% of the second breast cancers were diagnosed in the contralateral breast. Familial risk of breast cancer in daughters was 1.70 when the mothers had first breast cancer and 3.28 when the mothers had bilateral breast cancer. Thus, the increased familial effect of the second breast cancer was 1.93. The risk was highest in daughters diagnosed at a young age when the mother was diagnosed before 50 years of age. If the mothers had breast cancer following any other type of cancer, the familial effect was as for the first breast cancer (1.03). The age of onset for breast cancer in daughters was 0.7 years younger for those whose mother had bilateral as compared with unilateral breast cancer, although the difference was not statistically significant. The mothers with bilateral breast cancer whose daughters also had breast cancer were diagnosed with the first breast cancer 3.8 years younger than mothers whose daughters did not have breast cancer. The present results apply to a relatively young population of daughters (< 54 years of age).
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Affiliation(s)
- K Hemminki
- Department of Biosciences, Karolinska Institute, Huddinge, Sweden.
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24
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Abstract
Despite extensive publications reviewing contralateral breast cancer (CBC), the role of screening and preventative measures for contralateral tumours is controversial and optimal clinical management remains undefined. This paper addresses the incidence, the predisposing factors, the prevention and the treatment of bilateral breast cancer based on a review of the literature. Risk factors for CBC include young age at primary breast cancer diagnosis, hereditary breast cancer (due to a germline mutation), familial breast cancer (one or more affected relatives), radiation exposure at a young age, lobular carcinoma in situ (LCIS), lobular invasive carcinoma and multicentricity. Retrospective studies suggest that contralateral mammographic surveillance results in the early detection of breast cancer, but no clear survival benefit has been demonstrated. Trials of adjuvant tamoxifen in breast cancer patients have shown a reduction in the incidence of CBC in both pre- and postmenopausal women. In addition, breast cancer patients treated with ovarian ablation and prednisone have significantly reduced CBC versus controls. In patients with primary breast cancer there is no evidence that contralateral breast biopsies or contralateral prophylactic mastectomy reduce mortality. Randomised, prospective trials to determine optimal surveillance, prevention and treatment strategies for the contralateral breast in breast cancer patients have not been conducted. Based on the published literature, contralateral breast surveillance in breast cancer patients reasonably includes breast self-examination, regular physical examinations and annual mammography. In women who have no evidence of distant metastasis at the time of CBC diagnosis, we recommend that the CBC be treated in the same manner as a first breast cancer, taking into account prior local and systemic therapy.
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Affiliation(s)
- L A Dawson
- Department of Radiation Oncology, University of Toronto, Canada
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Holli K, Saaristo R, Isola J, Hyöty M, Hakama M. Effect of radiotherapy on the interpretation of routine follow-up mammography after conservative breast surgery: a randomized study. Br J Cancer 1998; 78:542-5. [PMID: 9716041 PMCID: PMC2063090 DOI: 10.1038/bjc.1998.529] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Radiotherapy after conservative surgery causes fat necrosis, fibrosis, skin thickening and other parenchymal distortion of the breast. The interpretation of a mammogram of the irradiated breast may therefore be difficult. We studied the effect of radiotherapy on the interpretation of the routine mammography used in the follow-up of breast cancer patients. A total of 144 low-risk breast cancer patients were randomized to radiotherapy or to no further treatment after conservative surgery. The first routine follow-up mammography was performed 18 months after surgery and every 18 months after that. The number of mammography examinations was estimated per patient and per follow-up year. The number of extra diagnostic tests and the occurrence of positive findings were assessed per mammography session and per follow-up year. Further diagnostic tests prompted by difficulties in interpreting the mammogram were performed to an extent of 0.19 per mammography examination in the radiotherapy group and of 0.15 in the non-radiotherapy group, i.e. 1.3 times more often. Findings that turned out to be negative at confirmation were 2.0 times (P< 0.05) more common in the radiotherapy group. These false-positive findings were more common in the radiotherapy group than in the surgery group and only shortly after treatment. Mammography is more difficult to interpret after radiotherapy than after conservative surgery alone, especially shortly after treatment, and more often involves extra diagnostic tests and findings that will be negative at confirmation.
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Affiliation(s)
- K Holli
- Department of Radiotherapy and Oncology, Tampere University Hospital, Finland
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Cutuli B, de La Rochefordière A, Dhermain F, Borel C, Graic Y, de Lafontan B, Dilhyudy JM, Mignotte H, Tessier E, Tortochaux J, N'Guyen T, Bey P, Le Mevel-Le Pourhier A, Arriagada R. [Bilateral breast cancer after Hodgkin disease. Clinical and pathological characteristics and therapeutic possibilities: an analysis of 13 cases]. Cancer Radiother 1998; 1:300-6. [PMID: 9435820 DOI: 10.1016/s1278-3218(97)81497-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
PURPOSE Though Hodgkin's disease (HD) is one of the malignancies in which considerable progress has been made, long-term side effects have been observed, second primary cancer being the most significant. Several recent reports have indicated an increased risk of breast cancer (BC) in girls and young women among HD patients. MATERIALS AND METHODS In a retrospective multicenter analysis, 63 women treated for HD subsequently developed BC. Results that were obtained in 13 women (21%) who developed either synchronous (five cases) or metachronous (eight cases) BC were analyzed. The median age at diagnosis of HD was 19 years. Seven patients underwent exclusive radiotherapy (RT) (including "mantle" supradiaphragmatic irradiation) and six received concomittant radiation therapy and chemotherapy. RESULTS The first breast tumor occurred after a median delay of 16 years. According to the TNM classification, we showed nine stage T0 (non palpable lesions), four stage T1, five stage T2, one stage T3, two stage T4 and five stage Tx BC. Seventeen infiltrating carcinomas, two fibrosarcomas and seven ductal carcinomas in situ were observed. Among 15 axillary dissections performed for invasive carcinomas, histological involvement was found in 10 cases. Seventeen tumors were treated by mastectomy and nine patients underwent conservative surgical treatment. With a 70-month median follow-up (range: 15-125), three patients developed locoregional recurrence and four other metastases. At present, eight are alive with no evidence of disease and one died of intercurrent disease. CONCLUSION According to previous works, BC represents 6.3 to 9% of all second cancers occurring after HD treatment. The risk is higher in young women treated before 20 years of age, especially before 15 years of age. Factors that favour the development of secondary BC are: supradiaphragmatic irradiation, very young age at treatment, chemotherapy with alkylating agents, and probably genetic factors. We conclude that young women and girls treated for HD should be carefully monitored at least 10 years after the end of the treatment for HD, using clinical examination, mammography and ultrasonography. The optimal rythm of this follow-up is not yet clearly defined. Moreover, after multidisciplinary concertation, we suggest that secondary BC be sometimes treated by conservative radiosurgical approach.
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Affiliation(s)
- B Cutuli
- Département de radiothérapie, centre Paul-Strauss, Strasbourg, France
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27
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de la Rochefordière A, Mouret-Fourme E, Asselain B, Scholl SM, Campana F, Broët P, Fourquet A. Metachronous contralateral breast cancer as first event of relapse. Int J Radiat Oncol Biol Phys 1996; 36:615-21. [PMID: 8948346 DOI: 10.1016/s0360-3016(96)00372-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE To determine which clinical, biological, or treatment-related factors of the first and second primary breast cancers influenced the outcome following contralateral breast carcinoma (CBC). METHODS AND MATERIALS By August 1994, 319 of 6406 patients with clinical Stage 0 to III breast carcinoma treated between 1981 and 1987 at Institut Curie had developed a second breast cancer that was diagnosed more than 6 months following ipsilateral breast cancer. Of these 319 patients, 235 had a CBC as the first recurrent event and constitute the study population. Comparisons of first and second breast tumor characteristics were done using Fisher's exact test. Survival distributions from the date of CBC were compared by the log-rank test. Prognostic factors for local relapses, distant relapses, and survival after CBC were assessed by univariate and multivariate analysis using the Cox proportional hazards model. RESULTS The diagnosis of CBC was more frequently guided by mammographies than for ipsilateral tumors (p < 0.0001). The proportion of early stage tumors < or = T1 was significantly higher in the opposite breast as compared to the the first primary tumor (p < 0.0001). A greater rate of noninvasive tumors was observed in CBCs (p = 0.0003). Median follow-up time from the diagnosis of CBC was 54 months (1-137). Five-year survival following CBC was 79% (+/- 6). Five-year local (CBC breast or chest wall) and distant failure rates were 15 and 24%, respectively. Time interval to the occurrence of CBC (< 2 years, 2-5 years, > 5 years) had no influence on survival. Cox model analysis showed that the risk factors for distant metastases were stage and progesterone receptor levels of the contralateral tumor. The risk of distant failure in CBC was not influenced by the extent of surgery. CONCLUSIONS In this selected population of CBCs as first recurrent events, a follow-up policy based on clinical examination and annual mammography enabled the detection of CBCs at an earlier stage than the primary ipsilateral cancer. The outcome after CBC was determined only by the characteristics of the contralateral tumor. Breast-conserving treatment should be recommended when it is feasible. Adjuvant chemotherapy should be delivered according to the same criteria as the primary tumor.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Breast Neoplasms/chemistry
- Breast Neoplasms/diagnostic imaging
- Breast Neoplasms/pathology
- Breast Neoplasms/radiotherapy
- Carcinoma, Ductal, Breast/chemistry
- Carcinoma, Ductal, Breast/diagnostic imaging
- Carcinoma, Ductal, Breast/pathology
- Carcinoma, Ductal, Breast/radiotherapy
- Carcinoma, Ductal, Breast/secondary
- Disease-Free Survival
- Female
- Humans
- Middle Aged
- Neoplasm Staging
- Neoplasms, Second Primary/chemistry
- Neoplasms, Second Primary/diagnostic imaging
- Neoplasms, Second Primary/pathology
- Radiography
- Receptors, Estrogen/analysis
- Receptors, Progesterone/analysis
- Recurrence
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28
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Affiliation(s)
- PJ Dawson
- Department of Pathology and Laboratory Medicine, University of South Florida Tampa, Florida 33612, USA
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Abstract
Sixty-four patients (mean age, 51 years) had mastectomies which were synchronous and bilateral. Sixty-one premastectomy biopsies (bilateral, 34 and unilateral, 27) demonstrated the following: invasive carcinoma, 17; noninvasive carcinoma, 24; combination of above, 10; and benign disease, 10. Twenty-two patients had bilateral mastectomy because of bilateral positive biopsy. Twenty-nine patients with unilateral carcinoma on biopsy had bilateral mastectomy. Thirteen patients had bilateral mastectomy despite benign disease only on biopsy (10) or no biopsy (3). Ten unexpected carcinomas (34%) were found in the contralateral breast in the 29 patients with carcinoma diagnosed on unilateral biopsy. The biopsy pathology of these 10 specimens was invasive ductal carcinoma in 1 and multifocal, noninvasive carcinoma (ductal, 3 and lobular, 6) in 9. An unexpected carcinoma may be found in the contralateral breast in a significant number of patients who are selected for bilateral mastectomy, particularly if the selection is on the basis of a noninvasive, lobular histology. Bilateral mastectomy may be appropriate for such patients, particularly when complicated by a strong family history and breasts which are difficult to assess by physical or mammographic examination.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Biopsy
- Breast/pathology
- Breast Neoplasms/pathology
- Breast Neoplasms/surgery
- Carcinoma, Ductal, Breast/pathology
- Carcinoma, Ductal, Breast/surgery
- Carcinoma, Lobular/pathology
- Carcinoma, Lobular/surgery
- Female
- Humans
- Mastectomy/methods
- Mastectomy, Modified Radical
- Mastectomy, Radical
- Mastectomy, Subcutaneous
- Middle Aged
- Retrospective Studies
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Affiliation(s)
- E D Staren
- Department of General Surgery, Rush Medical College, Chicago, Illinois, USA
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