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Danilowicz K, Sosa S. Acromegaly and Cancer: An Update. Arch Med Res 2023; 54:102914. [PMID: 38007382 DOI: 10.1016/j.arcmed.2023.102914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 10/03/2023] [Accepted: 11/07/2023] [Indexed: 11/27/2023]
Abstract
Acromegaly is a chronic and rare disease. The diagnosis usually takes several years. Multiple comorbidities are associated with acromegaly. Long-term exposure to growth factors may lead to complications such as the development of benign or malignant tumors. However, the association between acromegaly and cancer remains a matter of debate due to multiple limitations in epidemiological data. There is controversy between acromegaly and mortality, but evidence shows a significant improvement in mortality rates with disease control and careful management of comorbidities. Older age, increased growth hormone levels (GH) at last follow-up, higher insulin-like growth factor-1 (IGF-1) levels at diagnosis, malignancy and radiotherapy were proposed as independent predictors of mortality. In this review we summarize the current state of knowledge in this field. Incidence of different cancer types is described. Rigorous surveillance of endocrine diseases may contribute to increased tumor detection. Personalized screening should probably be recommended.
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Affiliation(s)
- Karina Danilowicz
- Division of Endocrinology, Hospital de Clínicas José de San Martín, Universidad de Buenos Aires, Buenos Aires, Argentina.
| | - Soledad Sosa
- Division of Endocrinology, Hospital de Clínicas José de San Martín, Universidad de Buenos Aires, Buenos Aires, Argentina
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Xiao T, Jiao R, Yang S, Wang Y, Bai X, Zhou J, Li R, Wang L, Yang H, Yao Y, Deng K, Gong F, Pan H, Duan L, Zhu H. Incidence and risk factors of cancers in acromegaly: a Chinese single-center retrospective study. Endocrine 2023; 82:368-378. [PMID: 37442901 PMCID: PMC10543525 DOI: 10.1007/s12020-023-03447-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 07/01/2023] [Indexed: 07/15/2023]
Abstract
PURPOSE To evaluate the incidence of malignancies in acromegaly and to identify risk factors for newly-diagnostic cancers, especially the excessive growth hormone (GH) and insulin-like growth factor-1 (IGF-1). METHODS A retrospective cohort including 1738 consecutive hospitalized patients with acromegaly in a single referral center between 2012 and 2020 (mean follow-up 4.3 years). A gender- and age-matched case-control study (280 patients from the cohort) was performed for risk factor analysis. RESULTS One hundred thirteen malignancies (67 diagnosed after acromegaly) were observed. The overall newly-diagnostic cancer risk of acromegaly was higher than the general population (standardized incidence ratio (SIR) 2.81; 95% CI 2.18-3.57). The risk of thyroid cancer (n = 33, SIR 21.42; 95% CI 13.74-30.08) and colorectal cancer (n = 8, SIR 3.17; 95% CI 1.37-6.25) was elevated. In the overall cohort, IGF-1 (ULN: 1.27 vs. 0.94, p = 0.057), GH (1.30 vs. 1.00 ng/ml, p = 0.12), and disease-controlled rate (34.9% vs. 45.9%, p = 0.203) at the last visit did not reach significance between patients with and without post-diagnostic cancer. In the case-control study, GH (1.80 vs. 0.90 ng/ml, p = 0.018) and IGF-1 (ULN: 1.27 vs. 0.91, p = 0.003) at the last visit were higher in patients with post-diagnostic cancers, with a lower disease-controlled rate. Elder age was a risk factor for cancer. Other metabolic comorbidities and the size of pituitary tumors were similar. CONCLUSION The risk of malignancies, especially thyroid cancer, was increased in patients with acromegaly in our center. More cancer screening should be considered when managing acromegaly, especially in patients with higher posttreatment GH and IGF-1.
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Affiliation(s)
- Tongxin Xiao
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Eight-Year Program of Clinical Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Rui Jiao
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Eight-Year Program of Clinical Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Shengmin Yang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yi Wang
- Department of Medical Records, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xue Bai
- Department of Medical Records, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jingya Zhou
- Department of Medical Records, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ran Li
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Linjie Wang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hongbo Yang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yong Yao
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Kan Deng
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fengying Gong
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Pan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lian Duan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Huijuan Zhu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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Kopchick JJ, Basu R, Berryman DE, Jorgensen JOL, Johannsson G, Puri V. Covert actions of growth hormone: fibrosis, cardiovascular diseases and cancer. Nat Rev Endocrinol 2022; 18:558-573. [PMID: 35750929 PMCID: PMC9703363 DOI: 10.1038/s41574-022-00702-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/19/2022] [Indexed: 12/20/2022]
Abstract
Since its discovery nearly a century ago, over 100,000 studies of growth hormone (GH) have investigated its structure, how it interacts with the GH receptor and its multiple actions. These include effects on growth, substrate metabolism, body composition, bone mineral density, the cardiovascular system and brain function, among many others. Recombinant human GH is approved for use to promote growth in children with GH deficiency (GHD), along with several additional clinical indications. Studies of humans and animals with altered levels of GH, from complete or partial GHD to GH excess, have revealed several covert or hidden actions of GH, such as effects on fibrosis, cardiovascular function and cancer. In this Review, we do not concentrate on the classic and controversial indications for GH therapy, nor do we cover all covert actions of GH. Instead, we stress the importance of the relationship between GH and fibrosis, and how fibrosis (or lack thereof) might be an emerging factor in both cardiovascular and cancer pathologies. We highlight clinical data from patients with acromegaly or GHD, alongside data from cellular and animal studies, to reveal novel phenotypes and molecular pathways responsible for these actions of GH in fibrosis, cardiovascular function and cancer.
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Affiliation(s)
- John J Kopchick
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA.
- The Diabetes Institute, Ohio University, Athens, OH, USA.
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA.
| | - Reetobrata Basu
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
- The Diabetes Institute, Ohio University, Athens, OH, USA
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
| | - Darlene E Berryman
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
- The Diabetes Institute, Ohio University, Athens, OH, USA
| | - Jens O L Jorgensen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Gudmundur Johannsson
- Department of Endocrinology, Sahlgrenska University Hospital, Sahlgrenska Academy, University of Göteborg, Gothenburg, Sweden
| | - Vishwajeet Puri
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
- The Diabetes Institute, Ohio University, Athens, OH, USA
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Fleseriu M, Biller BMK, Freda PU, Gadelha MR, Giustina A, Katznelson L, Molitch ME, Samson SL, Strasburger CJ, van der Lely AJ, Melmed S. A Pituitary Society update to acromegaly management guidelines. Pituitary 2021; 24:1-13. [PMID: 33079318 PMCID: PMC7864830 DOI: 10.1007/s11102-020-01091-7] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/28/2020] [Indexed: 02/06/2023]
Abstract
Guidelines and consensus statements ensure that physicians managing acromegaly patients have access to current information on evidence-based treatments to optimize outcomes. Given significant novel recent advances in understanding acromegaly natural history and individualized therapies, the Pituitary Society invited acromegaly experts to critically review the current literature in the context of Endocrine Society guidelines and Acromegaly Consensus Group statements. This update focuses on how recent key advances affect treatment decision-making and outcomes, and also highlights the likely role of recently FDA-approved therapies as well as novel combination therapies within the treatment armamentarium.
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Affiliation(s)
- Maria Fleseriu
- Pituitary Center, Departments of Medicine and Neurological Surgery, Oregon Health & Science University, Portland, OR, USA
| | - Beverly M K Biller
- Neuroendocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Pamela U Freda
- Department of Medicine, Columbia University, Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Monica R Gadelha
- Neuroendocrinology Research Center/Endocrinology Section, Medical School and Hospital Universitário Clementino Fraga Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrea Giustina
- Institute of Endocrine and Metabolic Sciences, San Raffaele Vita-Salute University and IRCCS San Raffaele Hospital, Milan, Italy
| | - Laurence Katznelson
- Departments of Medicine and Neurosurgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Mark E Molitch
- Division of Endocrinology, Metabolism & Molecular Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Susan L Samson
- Pituitary Center, Departments of Medicine and Neurosurgery, Baylor College of Medicine, Houson, TX, USA
| | - Christian J Strasburger
- Department of Medicine for Endocrinology, Diabetes and Nutritional Medicine, Charité Universitätsmedizin, Berlin, Germany
| | - A J van der Lely
- Pituitary Center Rotterdam, Endocrinology Section, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Shlomo Melmed
- Pituitary Center, Cedars-Sinai Medical Center, 8700 Beverly Blvd., Room 2015, Los Angeles, CA, 90048, USA.
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Spricido IY, Feckinghaus CM, Silva RHM, Mesa Junior CO, Boguszewski CL. Prevalence of thyroid cancer in patients with acromegaly and non-growth hormone secreting pituitary adenomas: A prospective cross-sectional study. Growth Horm IGF Res 2021; 56:101378. [PMID: 33486451 DOI: 10.1016/j.ghir.2021.101378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 12/08/2020] [Accepted: 01/07/2021] [Indexed: 10/22/2022]
Abstract
OBJECTIVE To evaluate the prevalence of differentiated thyroid cancer (DTC) in patients with non-GH secreting pituitary adenomas [NGHPA group: non-functioning (NFPA), prolactin (PRL) and corticotropin (ACTH)-secreting adenomas] compared to patients with acromegaly, a pituitary disease that has been associated with increased risk for thyroid cancer. PATIENTS AND METHODS Prospective, cross-sectional study involving consecutive outpatients followed in our institution with diagnosis of acromegaly (n = 71; 43 women, median age 57 yrs) and NGHPA (n = 57; 38 women, median age 48 yrs.; PRL (n = 35), ACTH (n = 7), NFPA (n = 15). All participants were subjected to thyroid ultrasound (US) by the same examiner, and US-guided fine needle aspiration (FNA) biopsy when indicated. RESULTS Thyroid volume was higher in acromegaly than in NGHPA (median 12.5 ml vs 6.3 ml; p < 0.0001), and thyroid nodules were present in 27/71 (38.0%) of acromegaly patients and in 14/57 (24.6%) of NGHPA group. FNA was indicated in 15/27 (55.5%) of acromegaly patients [Bethesda I (n = 1); II (n = 11), III (n = 1), two patients refused FNA], and in 8/14 (57.1%) of the NGHPA group [Bethesda I (n = 2); II (n = 4); V (n = 1); VI (n = 1)]. The two patients of NGHPA group with Bethesda V and VI were operated and papillary carcinoma was confirmed histologically. CONCLUSION DTC was not detected in our acromegaly patients and its presence in patients with NGHPA suggests that DTC predisposition is not related to GH excess.
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Affiliation(s)
- Isadora Yasbick Spricido
- SEMPR, Serviço de Endocrinologia e Metabologia, Departamento de Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Brazil
| | - Carolina Monteguti Feckinghaus
- SEMPR, Serviço de Endocrinologia e Metabologia, Departamento de Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Brazil
| | - Rômulo Henrique Malaquias Silva
- SEMPR, Serviço de Endocrinologia e Metabologia, Departamento de Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Brazil
| | - Cleo Otaviano Mesa Junior
- SEMPR, Serviço de Endocrinologia e Metabologia, Departamento de Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Brazil
| | - Cesar Luiz Boguszewski
- SEMPR, Serviço de Endocrinologia e Metabologia, Departamento de Clínica Médica, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Brazil.
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Ucan B, Kizilgul M, Karci AC, Duger H, Erkam Sencar M, Imga NN, Demirci T, Berker D, Erman Cakal. THE PREVALENCE OF CANCER AND ITS RELATION TO DISEASE ACTIVITY IN PATIENTS WITH ACROMEGALY: TWO CENTERS' EXPERIENCE. Endocr Pract 2021; 27:51-55. [PMID: 33475501 DOI: 10.4158/ep-2020-0398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Acromegaly is characterized by increased serum concentrations of growth hormone (GH) and insulin-like growth factor 1 (IGF-1). Although animal studies have demonstrated a relationship between these hormones and cancer risk, the results of human studies evaluating cancer prevalence in acromegaly are inconsistent. We aimed to investigate the prevalence of malignant neoplasms in patients with acromegaly. METHODS Cancer risk was evaluated in a cohort of 280 patients (male/female: 120/160; mean age: 50.93 ± 12.07 years) with acromegaly. Patients were categorized into 2 groups according to the presence or absence of cancer. Standard incidence ratios were calculated as compared to the general population. RESULTS From 280 patients, cancer was diagnosed in 19 (6.8%) patients; 9 (47%) of them had thyroid cancer, which was the most common cancer type. Standard incidence ratios of all cancers were 0.8 (95% CI, 0.5-1.1) and 1.0 (95% CI, 0.8-1.3) in men and women, respectively. Compared to patients without cancer, the current age was higher in patients with cancer (59 [49-65] to 51 [42-59], P = .027). In contrast, the age at diagnosis was similar in both groups. Not only was the time to diagnosis and disease duration similar in both groups but also the basal and current GH and IGF-1 levels. The prevalence of active disease was also similar between the groups (32% to 23%, P = .394). CONCLUSION Our findings were not consistent with the studies suggesting that patients with acromegaly encounter an increased cancer risk. Furthermore, there were similar basal and current GH and IGF-1 levels in patients with acromegaly, both with and without cancer.
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Affiliation(s)
- Bekir Ucan
- Department of Endocrinology and Metabolism, University of Health Sciences, Dıskapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey
| | - Muhammed Kizilgul
- Department of Endocrinology and Metabolism, University of Health Sciences, Dıskapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey.
| | - Alper Cagri Karci
- Department of Endocrinology and Metabolism, University of Health Sciences, Numune Training and Research Hospital, Ankara, Turkey
| | - Hakan Duger
- Department of Endocrinology and Metabolism, University of Health Sciences, Dıskapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey
| | - Muhammed Erkam Sencar
- Department of Endocrinology and Metabolism, University of Health Sciences, Dıskapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey
| | - Narin Nasiroglu Imga
- Department of Endocrinology and Metabolism, University of Health Sciences, Numune Training and Research Hospital, Ankara, Turkey
| | - Taner Demirci
- Department of Endocrinology and Metabolism, University of Health Sciences, Dıskapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey
| | - Dilek Berker
- Department of Endocrinology and Metabolism, University of Health Sciences, Numune Training and Research Hospital, Ankara, Turkey
| | - Erman Cakal
- Department of Endocrinology and Metabolism, University of Health Sciences, Dıskapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey
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Coopmans EC, Muhammad A, Daly AF, de Herder WW, van Kemenade FJ, Beckers A, de Haan M, van der Lely AJ, Korpershoek E, Neggers SJCMM. The role of AIP variants in pituitary adenomas and concomitant thyroid carcinomas in the Netherlands: a nationwide pathology registry (PALGA) study. Endocrine 2020; 68:640-649. [PMID: 32333269 PMCID: PMC7308253 DOI: 10.1007/s12020-020-02303-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/04/2020] [Indexed: 12/24/2022]
Abstract
PURPOSE Germline mutations in the aryl-hydrocarbon receptor interacting protein (AIP) have been identified often in the setting of familial isolated pituitary adenoma (FIPA). To date there is no strong evidence linking germline AIP mutations to other neoplasms apart from the pituitary. Our primary objective was to investigate the prevalence of AIP gene mutations and mutations in genes that have been associated with neuroendocrine tumors in series of tumors from patients presenting with both pituitary adenomas and differentiated thyroid carcinomas (DTCs). METHODS Pathology samples were retrieved from all pituitary adenomas in patients with concomitant DTCs, including one with a known germline AIP variant. Subsequently, two additional patients with known germline AIP variants were included, of which one presented only with a follicular thyroid carcinoma (FTC). RESULTS In total, 17 patients (14 DTCs and 15 pituitary adenomas) were investigated by targeted next generation sequencing (NGS). The pituitary tumor samples revealed no mutations, while among the thyroid tumor samples BRAF (6/14, 42.9%) was the most frequently mutated gene, followed by NRAS (3/11, 27.3%). In one AIP-mutated FIPA kindred, the AIP-variant c.853C>T; p.Q285* was confirmed in the FTC specimen, including evidence of loss of heterozygosity (LOH) at the AIP locus in the tumor DNA. CONCLUSION Although most observed variants in pituitary adenomas and DTCs were similar to those of sporadic DTCs, we confirmed in one AIP mutation-positive case the AIP-variant and LOH at this locus in an FTC specimen, which raises the potential role of the AIP mutation as a rare initiating event.
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Affiliation(s)
- E C Coopmans
- Department of Medicine, Endocrinology section, Pituitary Center Rotterdam, Erasmus University Medical Center, Rotterdam, The Netherlands.
| | - A Muhammad
- Department of Medicine, Endocrinology section, Pituitary Center Rotterdam, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - A F Daly
- Department of Endocrinology, Centre Hospitalier Universitaire de Liege, University of Liege, 4000, Liege, Belgium
| | - W W de Herder
- Department of Medicine, Endocrinology section, Pituitary Center Rotterdam, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - F J van Kemenade
- Department of Pathology, Erasmus Medical Center Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - A Beckers
- Department of Endocrinology, Centre Hospitalier Universitaire de Liege, University of Liege, 4000, Liege, Belgium
| | - M de Haan
- Department of Pathology, Erasmus Medical Center Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - A J van der Lely
- Department of Medicine, Endocrinology section, Pituitary Center Rotterdam, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - E Korpershoek
- Department of Pathology, Erasmus Medical Center Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - S J C M M Neggers
- Department of Medicine, Endocrinology section, Pituitary Center Rotterdam, Erasmus University Medical Center, Rotterdam, The Netherlands
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