1
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Fagundes GFC, Almeida MQ. Pitfalls in the Diagnostic Evaluation of Pheochromocytomas. J Endocr Soc 2024; 8:bvae078. [PMID: 38737592 PMCID: PMC11087876 DOI: 10.1210/jendso/bvae078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Indexed: 05/14/2024] Open
Abstract
Pheochromocytomas and paragangliomas (PPGLs), rare neuroendocrine tumors arising from chromaffin cells, present a significant diagnostic challenge due to their clinical rarity and polymorphic symptomatology. The clinical cases demonstrate the importance of an integrated approach that combines clinical assessment, biochemical testing, and imaging to distinguish PPGLs from mimicking conditions, such as obstructive sleep apnea and interfering medication effects, which can lead to false-positive biochemical results. Although a rare condition, false-negative metanephrine levels can occur in pheochromocytomas, but imaging findings can give some clues and increase suspicion for a pheochromocytoma diagnosis. This expert endocrine consult underscores the critical role of evaluating preanalytical conditions and pretest probability in the biochemical diagnosis of PPGLs. Moreover, a careful differentiation of PPGLs from similar conditions and careful selection and interpretation of diagnostic tests, with focus on understanding and reducing false positives to enhance diagnostic accuracy and patient outcomes, is crucial.
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Affiliation(s)
- Gustavo F C Fagundes
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Disciplina de Endocrinologia e Metabologia, Departamento de Medicina Interna, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, 01246-903, São Paulo, SP, Brazil
| | - Madson Q Almeida
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Disciplina de Endocrinologia e Metabologia, Departamento de Medicina Interna, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, 01246-903, São Paulo, SP, Brazil
- Unidade de Oncologia Endócrina, Instituto do Câncer do Estado de São Paulo (ICESP), Faculdade de Medicina da Universidade de São Paulo, 01246-903, São Paulo, SP, Brazil
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2
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White G, Nonaka D, Chung TT, Oakey RJ, Izatt L. Somatic EPAS1 Variants in Pheochromocytoma and Paraganglioma in Patients With Sickle Cell Disease. J Clin Endocrinol Metab 2023; 108:3302-3310. [PMID: 37285480 PMCID: PMC10655516 DOI: 10.1210/clinem/dgad311] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/09/2023] [Accepted: 05/26/2023] [Indexed: 06/09/2023]
Abstract
CONTEXT Somatic EPAS1 variants account for 5% to 8% of all pheochromocytoma and paragangliomas (PPGL) but are detected in over 90% of PPGL in patients with congenital cyanotic heart disease, where hypoxemia may select for EPAS1 gain-of-function variants. Sickle cell disease (SCD) is an inherited hemoglobinopathy associated with chronic hypoxia and there are isolated reports of PPGL in patients with SCD, but a genetic link between the conditions has yet to be established. OBJECTIVE To determine the phenotype and EPAS1 variant status of patients with PPGL and SCD. METHODS Records of 128 patients with PPGL under follow-up at our center from January 2017 to December 2022 were screened for SCD diagnosis. For identified patients, clinical data and biological specimens were obtained, including tumor, adjacent non-tumor tissue and peripheral blood. Sanger sequencing of exons 9 and 12 of EPAS1, followed by amplicon next-generation sequencing of identified variants was performed on all samples. RESULTS Four patients with both PPGL and SCD were identified. Median age at PPGL diagnosis was 28 years. Three tumors were abdominal paragangliomas and 1 was a pheochromocytoma. No germline pathogenic variants in PPGL-susceptibility genes were identified in the cohort. Genetic testing of tumor tissue detected unique EPAS1 variants in all 4 patients. Variants were not detected in the germline, and 1 variant was detected in lymph node tissue of a patient with metastatic disease. CONCLUSION We propose that somatic EPAS1 variants may be acquired through exposure to chronic hypoxia in SCD and drive PPGL development. Future work is needed to further characterize this association.
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Affiliation(s)
- Gemma White
- Department of Medical and Molecular Genetics, King's College London, London, SE1 9RT, UK
- Department of Clinical Genetics, Guy's and St Thomas’ NHS Foundation Trust, London, SE1 9RT, UK
| | - Daisuke Nonaka
- Department of Pathology, Guy's and St Thomas’ NHS Foundation Trust, London, SE1 7EH, UK
- Department of Cellular Pathology, King's College London, London, SE1 1UL, UK
| | - Teng-Teng Chung
- Department of Endocrinology, University College London Hospital NHS Foundation Trust, London, NW1 2BU, UK
| | - Rebecca J Oakey
- Department of Medical and Molecular Genetics, King's College London, London, SE1 9RT, UK
| | - Louise Izatt
- Department of Medical and Molecular Genetics, King's College London, London, SE1 9RT, UK
- Department of Clinical Genetics, Guy's and St Thomas’ NHS Foundation Trust, London, SE1 9RT, UK
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3
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Guo Q, Cheng ZM, Gonzalez-Cantú H, Rotondi M, Huelgas-Morales G, Ethiraj P, Qiu Z, Lefkowitz J, Song W, Landry BN, Lopez H, Estrada-Zuniga CM, Goyal S, Khan MA, Walker TJ, Wang E, Li F, Ding Y, Mulligan LM, Aguiar RCT, Dahia PLM. TMEM127 suppresses tumor development by promoting RET ubiquitination, positioning, and degradation. Cell Rep 2023; 42:113070. [PMID: 37659079 PMCID: PMC10637630 DOI: 10.1016/j.celrep.2023.113070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 07/06/2023] [Accepted: 08/18/2023] [Indexed: 09/04/2023] Open
Abstract
The TMEM127 gene encodes a transmembrane protein of poorly known function that is mutated in pheochromocytomas, neural crest-derived tumors of adrenomedullary cells. Here, we report that, at single-nucleus resolution, TMEM127-mutant tumors share precursor cells and transcription regulatory elements with pheochromocytomas carrying mutations of the tyrosine kinase receptor RET. Additionally, TMEM127-mutant pheochromocytomas, human cells, and mouse knockout models of TMEM127 accumulate RET and increase its signaling. TMEM127 contributes to RET cellular positioning, trafficking, and lysosome-mediated degradation. Mechanistically, TMEM127 binds to RET and recruits the NEDD4 E3 ubiquitin ligase for RET ubiquitination and degradation via TMEM127 C-terminal PxxY motifs. Lastly, increased cell proliferation and tumor burden after TMEM127 loss can be reversed by selective RET inhibitors in vitro and in vivo. Our results define TMEM127 as a component of the ubiquitin system and identify aberrant RET stabilization as a likely mechanism through which TMEM127 loss-of-function mutations cause pheochromocytoma.
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Affiliation(s)
- Qianjin Guo
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Zi-Ming Cheng
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Hector Gonzalez-Cantú
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Matthew Rotondi
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Gabriela Huelgas-Morales
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Purushoth Ethiraj
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Zhijun Qiu
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Jonathan Lefkowitz
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Wan Song
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Bethany N Landry
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Hector Lopez
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Cynthia M Estrada-Zuniga
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Shivi Goyal
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Mohammad Aasif Khan
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA
| | - Timothy J Walker
- Division of Cancer Biology and Genetics, Cancer Research Institute, Queen's University, Kingston, ON, Canada
| | - Exing Wang
- Department Cell Structure and Anatomy, UTHSCSA, San Antonio, TX, USA
| | - Faqian Li
- Department of Pathology, UTHSCSA, San Antonio, TX, USA
| | - Yanli Ding
- Department of Pathology, UTHSCSA, San Antonio, TX, USA
| | - Lois M Mulligan
- Division of Cancer Biology and Genetics, Cancer Research Institute, Queen's University, Kingston, ON, Canada
| | - Ricardo C T Aguiar
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA; Mays Cancer Center, UTHSCSA, San Antonio, TX, USA; South Texas Veterans Health Care System, Audie Murphy VA Hospital, San Antonio, TX 78229, USA
| | - Patricia L M Dahia
- Division of Hematology/Medical Oncology, Department of Medicine, University of Texas Health San Science Center at Antonio (UTHSCSA), San Antonio, TX, USA; Mays Cancer Center, UTHSCSA, San Antonio, TX, USA.
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Toledo RA, Jimenez C, Armaiz-Pena G, Arenillas C, Capdevila J, Dahia PLM. Hypoxia-Inducible Factor 2 Alpha (HIF2α) Inhibitors: Targeting Genetically Driven Tumor Hypoxia. Endocr Rev 2023; 44:312-322. [PMID: 36301191 DOI: 10.1210/endrev/bnac025] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 09/01/2022] [Indexed: 11/19/2022]
Abstract
Tumors driven by deficiency of the VHL gene product, which is involved in degradation of the hypoxia-inducible factor subunit 2 alpha (HIF2α), are natural candidates for targeted inhibition of this pathway. Belzutifan, a highly specific and well-tolerated HIF2α inhibitor, recently received FDA approval for the treatment of nonmetastatic renal cell carcinomas, pancreatic neuroendocrine tumors, and central nervous system hemangioblastomas from patients with von Hippel-Lindau disease, who carry VHL germline mutations. Such approval is a milestone in oncology; however, the full potential, and limitations, of HIF2α inhibition in the clinic are just starting to be explored. Here we briefly recapitulate the molecular rationale for HIF2α blockade in tumors and review available preclinical and clinical data, elaborating on mutations that might be particularly sensitive to this approach. We also outline some emerging mechanisms of intrinsic and acquired resistance to HIF2α inhibitors, including acquired mutations of the gatekeeper pocket of HIF2α and its interacting partner ARNT. Lastly, we propose that the high efficacy of belzutifan observed in tumors with genetically driven hypoxia caused by VHL mutations suggests that a focus on other mutations that similarly lead to HIF2α stabilization, such as those occurring in neuroendocrine tumors with disruptions in the tricarboxylic acid cycle (SDHA/B/C/D, FH, MDH2, IDH2), HIF hydroxylases (EGLN/PHDs), and the HIF2α-encoding gene, EPAS1, are warranted.
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Affiliation(s)
- Rodrigo A Toledo
- Gastrointestinal and Endocrine Tumors Group, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Camilo Jimenez
- Department of Endocrine Neoplasia and Hormonal Disorders, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Gustavo Armaiz-Pena
- Department of Medicine, University of Texas Health San Antonio, San Antonio, TX 78229, USA
| | - Carlota Arenillas
- Gastrointestinal and Endocrine Tumors Group, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Jaume Capdevila
- Gastrointestinal and Endocrine Tumors Group, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
- Medical Oncology Department, Gastrointestinal and Endocrine Tumor Unit, Vall d'Hebron University Hospital, Vall Hebron Institute of Oncology (VHIO), IOB Quiron-Teknon, 08035 Barcelona, Spain
| | - Patricia L M Dahia
- Department of Medicine, University of Texas Health San Antonio, San Antonio, TX 78229, USA
- Mays Cancer Center, University of Texas Health San Antonio, San Antonio, TX 78229, USA
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Li M, Prodanov T, Meuter L, Kerstens MN, Bechmann N, Prejbisz A, Remde H, Timmers HJLM, Nölting S, Talvacchio S, Berends AMA, Fliedner S, Robledo M, Lenders JWM, Pacak K, Eisenhofer G, Pamporaki C. Recurrent Disease in Patients With Sporadic Pheochromocytoma and Paraganglioma. J Clin Endocrinol Metab 2023; 108:397-404. [PMID: 36190922 PMCID: PMC10091496 DOI: 10.1210/clinem/dgac563] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 09/26/2022] [Indexed: 01/20/2023]
Abstract
CONTEXT Long-term follow-up has been recommended for patients with pheochromocytoma or paraganglioma (PPGL) due to potential for recurrent disease. However, the need to follow patients with sporadic PPGL has recently become controversial. OBJECTIVE To investigate the prevalence of recurrence among patients with sporadic compared with hereditary PPGL and to identify predictors of recurrence for sporadic disease. METHODS This multicenter study included retrospective data from 1127 patients with PPGL. In addition to sex and age at primary tumor diagnosis, clinical information included location, size, and catecholamine phenotype of primary tumors, genetic test results, and subsequent development of recurrent and/or metastatic disease. Patients with sporadic PPGL were defined as those with negative genetic test results. RESULTS Prevalence of recurrence among patients with sporadic PPGL (14.7%) was lower (P < 0.001) than for patients with pathogenic variants that activate pseudohypoxia pathways (47.5%), but similar to those with variants that activate kinase pathways (14.9%). Among patients with sporadic recurrent PPGL, 29.1% and 17.7% were respectively diagnosed at least 10 and 15 years after first diagnosis. Multivariable regression analysis showed that a noradrenergic/dopaminergic phenotype (HR 2.73; 95% CI, 1.553-4.802; P < 0.001), larger size (HR 1.82; 95% CI, 1.113-2.962; P = 0.017) and extra-adrenal location (HR 1.79; 95% CI, 1.002-3.187; P = 0.049) of primary tumors were independent predictors of recurrence in sporadic PPGL. CONCLUSION Patients with sporadic PPGL require long-term follow-up, as supported by the 14.7% prevalence of recurrent disease, including recurrences at more than 10 years after first diagnosis. The nature of follow-up could be individualized according to tumor size, location, and biochemical phenotype.
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Affiliation(s)
- Minghao Li
- Department of Medicine ΙΙΙ, University Hospital Carl Gustav Carus at the TU Dresden, Dresden 01307, Germany
| | - Tamara Prodanov
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health (NIH), Bethesda 20892, USA
| | - Leah Meuter
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health (NIH), Bethesda 20892, USA
| | - Michiel N Kerstens
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen 9700, The Netherlands
| | - Nicole Bechmann
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus at the TU Dresden, Dresden 01307, Germany
| | | | - Hanna Remde
- Department of Medicine, Division of Endocrinology and Diabetes, University Hospital, University of Würzburg, Würzburg 97080, Germany
| | - Henri J L M Timmers
- Department of Internal Medicine, Radboud University Hospital, Nijmegen 6500, The Netherlands
| | - Svenja Nölting
- Department of Internal Medicine, University Hospital of Munich, Munich 80539, Germany
- Department of Endocrinology, Diabetology, and Clinical Nutrition, University Hospital, Zurich 8091, Switzerland
| | - Sara Talvacchio
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health (NIH), Bethesda 20892, USA
| | - Annika M A Berends
- Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen 9700, The Netherlands
| | - Stephanie Fliedner
- Department of Medicine, University Medical Center Schleswig-Holstein, Luebeck 23538, Germany
| | - Mercedes Robledo
- Hereditary Endocrine Cancer Group, Human Cancer Genetics Programme, Spanish National Cancer Research Centre, Madrid 28029, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid 28029, Spain
| | - Jacques W M Lenders
- Department of Medicine ΙΙΙ, University Hospital Carl Gustav Carus at the TU Dresden, Dresden 01307, Germany
- Department of Internal Medicine, Radboud University Hospital, Nijmegen 6500, The Netherlands
| | - Karel Pacak
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health (NIH), Bethesda 20892, USA
| | - Graeme Eisenhofer
- Department of Medicine ΙΙΙ, University Hospital Carl Gustav Carus at the TU Dresden, Dresden 01307, Germany
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus at the TU Dresden, Dresden 01307, Germany
| | - Christina Pamporaki
- Department of Medicine ΙΙΙ, University Hospital Carl Gustav Carus at the TU Dresden, Dresden 01307, Germany
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Shirali AS, Clemente-Gutierrez U, Huang BL, Lui MS, Chiang YJ, Jimenez C, Fisher SB, Graham PH, Lee JE, Grubbs EG, Perrier ND. Pheochromocytoma recurrence in hereditary disease: does a cortical-sparing technique increase recurrence rate? Surgery 2023; 173:26-34. [PMID: 36229248 DOI: 10.1016/j.surg.2022.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/25/2022] [Accepted: 05/03/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND Posterior retroperitoneoscopic adrenalectomy is an appealing approach for patients with hereditary pheochromocytoma and lends well to cortex preservation. We sought to examine pheochromocytoma recurrence in patients with hereditary pheochromocytoma in the era of posterior retroperitoneoscopic adrenalectomy and evaluate the predictors of recurrence. METHODS Patients with hereditary pheochromocytoma who underwent adrenalectomy for pheochromocytoma between 1995 and 2020 with biochemical cure and follow-up >1 year were identified. Recurrence was defined as plasma metanephrines above the upper limit of normal with radiographic evidence of disease in the ipsilateral adrenal bed. RESULTS Seventy-eight hereditary pheochromocytoma patients (median age = 32.4 years; 60.3% women) underwent 114 adrenalectomies for pheochromocytoma. Of these patients, 40 had multiple endocrine neoplasia type 2A (51.3%), 10 had multiple endocrine neoplasia type B (12.8%), 17 had von Hippel-Lindau disease (21.8%), and 11 had neurofibromatosis type 1 (14.1%). Thirty-eight adrenalectomies (33.3%) were performed before the introduction of posterior retroperitoneoscopic adrenalectomy and 76 (66.7%) after. Cortical-sparing technique was performed in 62 (54.4%) adrenalectomies, with no difference in its use before and after posterior retroperitoneoscopic adrenalectomy introduction (P > .05). During a median follow-up of 80.7 months (interquartile range 43.4-151.2), 12 ipsilateral recurrences (10.5%) were identified. There was no difference in recurrence before and after the introduction of posterior retroperitoneoscopic adrenalectomy or by surgical technique or approach of the entire cohort (P > .05). Recurrence was more common in those with RET M918T mutation (23.5% vs 8.2%; P = .05). Patients with RET M918T mutations had a shorter recurrence-free survival (P = .013). On multivariate analysis, only RET M918T mutation was independently associated with an increased recurrence risk (hazard ratio = 4.30; 95% confidence interval, 1.26-14.66; P = .019). CONCLUSION The introduction of posterior retroperitoneoscopic adrenalectomy did not influence the recurrence rate after adrenalectomy for hereditary pheochromocytoma patients. Patients with a RET M918T germline mutation are at increased risk for pheochromocytoma recurrence and may benefit from initial total adrenalectomy.
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Affiliation(s)
- Aditya S Shirali
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX. https://twitter.com/AdityaShiraliMD
| | | | - Bernice L Huang
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Michael S Lui
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Yi-Ju Chiang
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Camilo Jimenez
- Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Sarah B Fisher
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Paul H Graham
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Jeffrey E Lee
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Elizabeth G Grubbs
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX. https://twitter.com/EGrubbsMD
| | - Nancy D Perrier
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
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Determinants of disease-specific survival in patients with and without metastatic pheochromocytoma and paraganglioma. Eur J Cancer 2022; 169:32-41. [DOI: 10.1016/j.ejca.2022.03.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/23/2022] [Accepted: 03/23/2022] [Indexed: 12/18/2022]
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Alzahrani AS, Alswailem M, Murugan AK, Alghamdi B, Al-Hindi H. Papillary thyroid cancer and a TERT promotor mutation-positive paraganglioma in a patient with a germline SDHB mutation. J Endocr Soc 2022; 6:bvac076. [PMID: 35673401 PMCID: PMC9165429 DOI: 10.1210/jendso/bvac076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Indexed: 11/19/2022] Open
Abstract
Abstract
Purpose
About 40% of paragangliomas (PGL) are due to germline mutations in one of several susceptibility genes. These genes rarely predispose to other non-PGL tumors. Here, we describe and functionally characterize a germline SDHB mutation in a patient who developed a BRAFV600E mutation-positive papillary thyroid cancer (PTC) and a TERT promotor mutation-positive PGL.
Experimental design
A 28-year-old asymptomatic man was discovered incidentally to have a large left-sided mid abdominal PGL and PTC. He underwent resection of the PGL and total thyroidectomy and neck dissection followed by I-131 adjuvant therapy for PTC. The histopathology revealed a high-grade PGL and a tall cell variant PTC with lymph node metastases (T1b N1b M0). He soon developed PGL spinal metastases that have been rapidly progressing and is currently being treated with Lu 177-dotatate therapy. Family screening revealed a positive SDHB mutation in the mother, a son and a brother.
Results
In addition to the heterozygous SDHB germline mutation (c.688C>T, p.Arg230Cys), molecular analysis revealed a somatic TERT promotor mutation (C228T) in PGL (negative in PTC), and a somatic BRAFV600E mutation in PTC (negative in PGL). Functional studies showed a higher proliferation rate in the mutant compared to the wild type SDHB.
Conclusion
Germline SDHB mutations rarely occur in patients with PTC and may contribute to the its aggressiveness. Somatic TERT promotor mutations rarely occur in PGL and contribute to its aggressiveness and metastatic potential.
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Affiliation(s)
- Ali S Alzahrani
- Department of Molecular Oncology, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
- Department of Medicine, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
| | - Meshael Alswailem
- Department of Molecular Oncology, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
| | | | - Balgees Alghamdi
- Department of Molecular Oncology, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
| | - Hindi Al-Hindi
- Department of Pathology and Laboratory Medicine, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
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Igaz P. New Insights in the Genetics and Genomics of Adrenocortical Tumors and Pheochromocytomas. Cancers (Basel) 2022; 14:cancers14041094. [PMID: 35205841 PMCID: PMC8870129 DOI: 10.3390/cancers14041094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 02/17/2022] [Indexed: 11/21/2022] Open
Affiliation(s)
- Peter Igaz
- Department of Endocrinology, ENS@T Research Center of Excellence, Faculty of Medicine, Semmelweis University, H-1083 Budapest, Hungary; ; Tel.: +36-1-266-0816
- Department of Internal Medicine and Oncology, Faculty of Medicine, Semmelweis University, H-1083 Budapest, Hungary
- MTA-SE Molecular Medicine Research Group, Eötvös Loránd Research Network, H-1083 Budapest, Hungary
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Genetics of Pheochromocytomas and Paragangliomas Determine the Therapeutical Approach. Int J Mol Sci 2022; 23:ijms23031450. [PMID: 35163370 PMCID: PMC8836037 DOI: 10.3390/ijms23031450] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 02/06/2023] Open
Abstract
Pheochromocytomas and paragangliomas are the most heritable endocrine tumors. In addition to the inherited mutation other driver mutations have also been identified in tumor tissues. All these genetic alterations are clustered in distinct groups which determine the pathomechanisms. Most of these tumors are benign and their surgical removal will resolve patient management. However, 5–15% of them are malignant and therapeutical possibilities for them are limited. This review provides a brief insight about the tumorigenesis associated with pheochromocytomas/paragangliomas in order to present them as potential therapeutical targets.
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Di Stasio GD, Cuccurullo V, Cascini GL, Grana CM. Tailored Molecular Imaging of Pheochromocytoma and Paraganglioma: Which Tracer and When. Neuroendocrinology 2022; 112:927-940. [PMID: 35051937 DOI: 10.1159/000522089] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 01/18/2022] [Indexed: 11/19/2022]
Abstract
Pheochromocytoma (PCC) and paraganglioma (PGL) are rare neoplasms that fall within the category of neuroendocrine tumors. In the last decade, their diagnostic algorithm has been modified to include the evaluation of molecular pathways, genotype, and biochemical phenotype, in order to correctly interpret anatomical and functional imaging results and tailor the best therapeutic choices to patients. More specifically, the identification of germline mutations has led to a three-way cluster classification: pseudo-hypoxic cluster, cluster of kinase receptor signaling and protein translation pathways, and cluster of Wnt-altered pathway. In this context, functional imaging gained a crucial role in the management of these patients in agreement with the ever-growing concept of personalized medicine. In this paper, we provide an overview of three specific molecular pathways targeted by positron-emitting tracers to image PCCs and PGLs: catecholamine metabolism, somatostatin receptors, and glucose uptake. Finally, we recommend different flow charts for use in the selection of tracers for specific clinical scenarios, based on sporadic/inherited tumor and known/unknown mutation status.
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Affiliation(s)
| | - Vincenzo Cuccurullo
- Nuclear Medicine Unit, Department of Precision Medicine, Università della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Giuseppe Lucio Cascini
- Nuclear Medicine Unit, Department of Diagnostic Imaging, Magna Graecia University of Catanzaro, Catanzaro, Italy
| | - Chiara Maria Grana
- Nuclear Medicine Division, European Institute of Oncology, IRCCS, Milan, Italy
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Von Hippel-Lindau Syndrome: Medical Syndrome or Surgical Syndrome? A Surgical Perspective. J Kidney Cancer VHL 2021; 9:27-32. [PMID: 34963877 PMCID: PMC8652351 DOI: 10.15586/jkcvhl.v9i1.206] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 10/24/2021] [Indexed: 01/29/2023] Open
Abstract
Von Hippel-Lindau syndrome (VHL) is an autosomal dominant disease caused by a genetic aberration of the tumor suppressor gene VHL and characterized by multi-organ tumors. The most common neoplasm is retinal or cerebral hemangioblastoma, although spinal hemangioblastomas, Renal Clear Cell Carcinoma (RCCC), pheochromocytomas (Pheo), paragangliomas, Pancreatic Neuroendocrine Tumors (PNETs), cystadenomas of the epididymis, and tumors of the lymphatic sac can also be found. Neurological complications from retinal or CNS hemangioblastoma and metastases of RCCC are the most common causes of death. There is a strong association between pheochromocytoma and VHL syndrome, and pheochromocytoma is often a classic manifestation of the syndrome. RCCCs are often incidental and identified during other tests. Between 35 and 70% of patients with VHL have pancreatic cysts. These can manifest as simple cysts, serous cysto-adenomas, or PNETs with a risk of malignant degeneration or metastasis of no more than 8%. The objective of this retrospective study is to analyze abdominal manifestations of VHL from a surgical point of view.
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