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      Case Report of Pulmonary Sarcoidosis Suspected to be Pulmonary Metastasis in a Patient with Breast Cancer

      case-report

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          Abstract

          Standard endocrine therapy and chemotherapy can induce long-term remission in breast cancer patients; however, breast cancer can recur at any site. Pulmonary nodules with lymphadenopathy in advanced cancer patients are likely to be assumed as metastases. A 44-year-old woman with a history of breast cancer was presented to our institution with abnormal findings on 18-fluorodeoxyglucose positron emission tomography imaging, which suggested lung metastasis. She had previously been diagnosed with breast cancer (T1N2M0, Stage IIIa, intraductal carcinoma, triple negative cancer). Histological analysis of the mediastinal lymph node biopsy demonstrated sarcoidosis, showing a chronic, non-caseating, granulomatous inflammation. Our case highlights the need for non-malignant diagnoses in those with prior malignancies, and the need for histological evaluations in the event of first recurrence following potentially curative therapy.

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          Most cited references17

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          Triple-negative breast cancer: epidemiological considerations and recommendations.

          P. Boyle (2012)
          Breast cancer is a major problem for global public health. Breast Cancer is the most common incident form of cancer in women around the world. The incidence is increasing while mortality is declining in many high-income countries. The last decade has seen a revolution in the understanding of breast cancer, with new classifications proposed that have significant prognostic value and provide guides to treatment options. Breast cancers that demonstrate the absence of oestrogen receptor and progesterone receptor and no overexpression of human epidermal growth factor receptor 2 (HER2) are referred to as triple-negative breast cancer (TNBC). There is now evidence emerging from epidemiological studies regarding important characteristics of this group of tumours that carry a relatively poorer prognosis than the major breast cancer sub-types. From this review of available data and information, there are some consistent findings that emerge. Women with TNBC experience the peak risk of recurrence within 3 years of diagnosis, and the mortality rates appear to be increased for 5 years after diagnosis. TNBC represents 10%-20% of invasive breast cancers and has been associated with African-American race, deprivation status, younger age at diagnosis, more advanced disease stage, higher grade, high mitotic indices, family history of breast cancer and BRCA1 mutations. TNBC is regularly reported to be three times more common in women of African descent and in pre-menopausal women, and carries a poorer prognosis than other forms of breast cancer. Although prospects for prevention of non-hormone-dependent breast cancer are currently poor, it is still important to understand the aetiology of such tumours. There remains a great deal of work to be done to arrive at a comprehensive picture of the aetiology of breast cancer. Key recommendations are that there is a clear and urgent need to have more epidemiological studies of the breast cancer sub-types to integrate aetiological and lifestyle factors for prevention of incidence and death, and to have more population-based information of the clinical and biological relevance from cancer registries.
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            Does confirmatory tumor biopsy alter the management of breast cancer patients with distant metastases?

            Background: Decisions about systemic treatment of women with metastatic breast cancer are often based on estrogen receptor (ER), progesterone receptor (PgR), and Her2 status of the primary tumor. This study prospectively investigated concordance in receptor status between primary tumor and distant metastases and assessed the impact of any discordance on patient management. Materials and methods: Biopsies of suspected metastatic lesions were obtained from patients and analyzed for ER/PgR and Her2. Receptor status was compared for metastases and primary tumors. Questionnaires were completed by the oncologist before and after biopsy to determine whether the biopsy results changed the treatment plan. Results: Forty women were enrolled; 35 of them underwent biopsy, yielding 29 samples sufficient for analysis; 3/29 biopsies (10%) showed benign disease. Changes in hormone receptor status were observed in 40% (P = 0.003) and in Her2 status in 8% of women. Biopsy results led to a change of management in 20% of patients (P = 0.002). Conclusions: This prospective study demonstrates the presence of substantial discordance in receptor status between primary tumor and metastases, which led to altered management in 20% of cases. Tissue confirmation should be considered in patients with clinical or radiological suspicion of metastatic recurrence.
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              Increased risk for cancer following sarcoidosis.

              Little is known about the cancer risk following sarcoidosis. In a retrospective cohort study, we tested the hypothesis of an increased risk for malignant lymphomas, lung cancer as well as cancer in other organs frequently involved in sarcoidosis. Four hundred seventy-four patients from an incidence study 1966-1980 and 8,541 patients identified in the Swedish Inpatient Register (IPR) 1964-1994 were linked to the Cancer Register, the Register of Causes of Death, and the Register of Total Population. Relative risks were estimated using standardized incidence ratios (SIR). The overall relative risks for cancer were similar and elevated in both cohorts (IPR presented), SIR = 1.3; 95% confidence interval (CI) 1.2 to 1.4. For lung cancer and non-Hodgkin's lymphoma, the relative risk was doubled during the first decade of follow-up. Thereafter, the risk for lung cancer was significantly decreased whereas the risk for non-Hodgkin's lymphoma equaled unity. Throughout follow-up, elevated risks were found for melanoma (SIR = 1.6; 95% CI 1.0 to 2.3) and nonmelanoma skin cancer (SIR = 2.8; 95% CI 2.0 to 3.8). An increased risk was also found for liver cancer (SIR = 1.4; 95% CI 0.8 to 2.2). Thus, sarcoidosis appears to be associated with a significantly increased risk for cancer in affected organs. Chronic inflammation is a putative mediator of this risk.
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                Author and article information

                Journal
                Cancer Res Treat
                Cancer Res Treat
                CRT
                Cancer Research and Treatment : Official Journal of Korean Cancer Association
                Korean Cancer Association
                1598-2998
                2005-9256
                July 2014
                15 July 2014
                : 46
                : 3
                : 317-321
                Affiliations
                Division of Hematology/Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
                Author notes
                Correspondence: Jae Hong Seo, MD, PhD  Division of Hematology/Oncology, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul 152-703, Korea  Tel: 82-2-2626-3059 Fax: 82-2-862-4453 E-mail: cancer@ 123456korea.ac.kr
                Article
                crt-46-3-317
                10.4143/crt.2014.46.3.317
                4132448
                25038768
                57adaa55-9eb6-4f50-b4d5-d9b8e3cb1b5d
                Copyright © 2014 by the Korean Cancer Association.

                This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/3.0/)which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 1 May 2013
                : 12 June 2013
                Categories
                Case Report

                Oncology & Radiotherapy
                breast neoplasms,sarcoidosis,positron-emission tomography,neoplasm metastasis

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