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Guerrero-Pérez F, Peiró I, Marengo AP, Teulé A, Ruffinelli JC, Llatjos R, Serrano T, Macia I, Vilarrasa N, Iglesias P, Villabona C. Ectopic Cushing's syndrome due to thymic neuroendocrine tumours: a systematic review. Rev Endocr Metab Disord 2021; 22:1041-1056. [PMID: 33961211 DOI: 10.1007/s11154-021-09660-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/03/2021] [Indexed: 12/23/2022]
Abstract
Knowledge of ectopic Cushing's syndrome (CS) due to thymic neuroendocrine tumours (NETs) comes from short series or single cases. Our aim is to perform a systematic review using PubMed, Embase, Scopus, Ovid Medline and Biosis Previews of all cases with ectopic CS due to thymic NETs reported in the last 40 years and describe one illustrative patient attended in our institution. Search of literature: From 162 patients, 58.6% were male and mean age was 34.6 ± 13.9 years-old. Median of symptoms until diagnosis was 6 [2-24] months and 62% had aggressive CS. Imaging was positive in 93.7% (chest X-ray), 97.8% (computed tomography), 80.7% (somatostatin receptor scintigraphy) and median tumour size was 47 [25-68.5] mm. At presentation, 18% had localized disease, 26.2% locally invasive and 55.7% advanced. Eighty-eight present underwent surgery and histological subtypes were atypical (46.7%), typical (30.4%) and carcinoma (21.7%). Tumour persisted or recurred in 70.1%, 63% received radiotherapy and 45.2% chemotherapy. Follow-up median was 26.6 [14.5-57.5] months and mortality was reported in 35.8% with median survival of 38 [19-60] months. MEN-1 mutation was referred in 3.1%. Comparatively, carcinomas had aggressive CS more frequently while atypical showed advanced disease more often. In conclusion, thymic NETs causing ectopic CS are presented as aggressive hypercortisolism in the middle aged population. The disease is commonly extended at diagnosis and persists or recurs after surgery in most patients with a short term high mortality.
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Affiliation(s)
- Fernando Guerrero-Pérez
- Department of Endocrinology, Bellvitge University Hospital, Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.
| | - Inmaculada Peiró
- Clinical Nutrition Unit, Catalan Institute of Oncology, L'Hospitalet de Llobregat, Barcelona, Spain
- Unit of Nutrition and Cancer-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Agustina Pia Marengo
- Department of Endocrinology, Bellvitge University Hospital, Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Alex Teulé
- Department of Oncology, Catalan Institute of Oncology, L'Hospitalet de Llobregat, Barcelona, Spain
| | - José Carlos Ruffinelli
- Department of Oncology, Catalan Institute of Oncology, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Roger Llatjos
- Department of Pathology, Bellvitge University Hospital-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Teresa Serrano
- Department of Pathology, Bellvitge University Hospital-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Ivan Macia
- Department of Thoracic Surgery, Bellvitge University Hospital-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
- Unit of Human Anatomy and Embryology, Department of Pathology and Experimental Therapeutics, Faculty of Medicine and Health Sciences, University of Barcelona, IDIBELL, Barcelona, Spain
| | - Nuria Vilarrasa
- Department of Endocrinology, Bellvitge University Hospital, Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Pedro Iglesias
- Department of Endocrinology, Puerta de Hierro University Hospital, Majadahonda, Madrid, Spain
| | - Carles Villabona
- Department of Endocrinology, Bellvitge University Hospital, Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
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Nakhjavani M, Amirbaigloo A, Rabizadeh S, Rotondo F, Kovacs K, Ghazi AA. Ectopic cushing's syndrome due to corticotropin releasing hormone. Pituitary 2019; 22:561-568. [PMID: 31041631 DOI: 10.1007/s11102-019-00965-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Cushing's syndrome (CS) secondary to corticotropin releasing hormone (CRH) producing tumors is rare. In this paper we present an Iranian patient who was admitted to our hospital with classic signs and symptoms of CS. Laboratory evaluation revealed high serum and urine cortisol which could not be suppressed with dexamethasone. Abdominal CT scan revealed a mass in abdominal cavity. A percutaneous needle biopsy was performed and histopathologic evaluation revealed that the mass was a neuroendocrine tumor. A multi-disciplinary approach including resection of the mass, bilateral adrenalectomy somatostatin analogue and chemotherapy was applied for management of the disease. Extensive review of English literature focusing on the topic from 1971 to 2018 revealed that there have been only 75 similar cases. Clinical, laboratory, imaging, histopathologic characteristics and managements of these patients will also be discussed in this paper.
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Affiliation(s)
- Manouchehr Nakhjavani
- Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Soghra Rabizadeh
- Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Fabio Rotondo
- Department of Laboratory Medicine, Division of Pathology, Toronto, Canada
- The Keenan Research Centre for Biomedical Science at the Li Ka Shing Knowledge Institute, St. Michael's Hospital, University of Toronto, Toronto, ON, Canada
| | - Kalman Kovacs
- Department of Laboratory Medicine, Division of Pathology, Toronto, Canada
- The Keenan Research Centre for Biomedical Science at the Li Ka Shing Knowledge Institute, St. Michael's Hospital, University of Toronto, Toronto, ON, Canada
| | - Ali A Ghazi
- Endocrine Research Center, Research Institute for Endocrine Sciences (RIES), Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, Tehran, Iran.
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Donadille B, Groussin L, Waintrop C, Abbas H, Tenenbaum F, Dugué MA, Coste J, Bertagna X, Bertherat J. Management of Cushing's syndrome due to ectopic adrenocorticotropin secretion with 1,ortho-1, para'-dichloro-diphenyl-dichloro-ethane: findings in 23 patients from a single center. J Clin Endocrinol Metab 2010; 95:537-44. [PMID: 20061433 DOI: 10.1210/jc.2009-1317] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
CONTEXT Effective treatment for the ectopic ACTH secretion syndrome (EAS) remains a therapeutic challenge. Immediate curative surgery of the responsible nonpituitary tumor is often not possible. OBJECTIVE The objective of the study was to evaluate 1,ortho-1, para'-dichloro-diphenyl-dichloro-ethane (O,p'DDD) therapy in EAS. DESIGN AND PATIENTS Patients included 36 consecutive patients with EAS from a single center treated between 1990 and 2006. Twenty-three of these patients, including 18 women aged 53.7 +/- 12.9 yr (mean +/- sd), were treated with O,p'DDD. Patient follow-up was 8.04 +/- 9.6 yr. RESULTS A mean daily O,p'DDD dose of 3.3 +/- 1.2 g Lysodren equivalent was given for a mean duration of 1.8 +/- 2.1 yr. Urinary cortisol decreased from 2603 +/- 3443 microg/d before treatment to 79 +/- 169 microg/d at the time of maximal O,p'DDD efficacy. Urinary cortisol was normalized in 21 of the 23 patients. Adrenal insufficiency was observed in 20 patients. This was associated with clinical improvement of Cushing's syndrome manifestations, including diabetes, hypertension, and hypokalemia. O,p'DDD plasma levels were 10.4 +/- 6.5 microg/ml in the 12 patients tested at the time of adrenal insufficiency. Side effects were observed during the first 6 months in seven of 15 patients (46%). National Cancer Institute-Classification Common Toxicity Criteria grade 1 or 2 digestive or neurologic toxicity resolved after withdrawal or reduction of O,p'DDD. Careful monitoring was essential to long-term control, clinical improvement, and good tolerability. Medical control of the disease allowed the subsequent characterization of tumors in eight of 13 patients with initially occult tumors. CONCLUSION With close monitoring, O,p'DDD could be a potent medical treatment for long-term control and management of EAS.
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Affiliation(s)
- Bruno Donadille
- Department of Endocrinology, Cochin Hospital, 27 Rue du Faubourg Saint Jacques, 75014 Paris, France
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Koo BK, An JH, Jeon KH, Choi SH, Cho YM, Jang HC, Chung JH, Lee CH, Lim S. Two cases of ectopic adrenocorticotropic hormone syndrome with olfactory neuroblastoma and literature review. Endocr J 2008; 55:469-75. [PMID: 18469486 DOI: 10.1507/endocrj.k07e-005] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Olfactory neuroblastomas are rare, slow-growing malignant tumors, usually diagnosed at advanced stages. Ectopic adrenocorticotropic hormone (ACTH) syndrome caused by an olfactory neuroblastoma is extremely rare. We reported two Korean women who suffered from ectopic ACTH syndrome (EAS) caused by olfactory neuroblastomas. The first patient was a 66-year-old woman who had been diagnosed as olfactory neuroblastoma and refused the management two years before and the second patient was a 37-year-old woman on chemotherapy for olfactory neuroblastoma. In the first case, she presented the Cushingoid appearance with systemic edema and her tumor was removed surgically. ACTH secretion by the tissue was confirmed by immunohistochemistry. By contrast, the second patient presented as severe pneumonia caused by cytomegalovirus and was treated with anti-viral agent followed by chemotherapy and radiotherapy, and her residual mass remained. However, after treatment, both patients' plasma ACTH and cortisol levels returned to normal without any adrenolytic therapy. Considering the causative tumors of EAS can be rarely cured and EAS increases the susceptibility to infections, it is prudent to suppress any hypercortisolemia initially, apart from treating the causal malignancy.
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Affiliation(s)
- Bo Kyung Koo
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam-city, South Korea
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Pecori Giraldi F, Terreni MR, Andreotti C, Losa M, Lanzi R, Pontiroli AE, Cavagnini F. Meningioma presenting with Cushing's syndrome: an unusual clinical presentation. Ann Neurol 2003; 53:138-42. [PMID: 12509860 DOI: 10.1002/ana.10454] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We report a patient with a meningioma presenting with Cushing's syndrome, an unprecedented paraneoplastic presentation. Molecular studies, bioassay, and high-performance liquid chromatography of tumor specimens demonstrated the synthesis and secretion of bioactive corticotropin-releasing hormone. To our knowledge, this appears to be the first report of a hormone-secreting meningioma and, further, the first clearly proven case of Cushing's syndrome due to ectopic corticotropin-releasing hormone secretion without concomitant corticotropin production.
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Affiliation(s)
- Francesca Pecori Giraldi
- Istituto Scientifico Ospedale San Luca Istituto Auxologico Italiano IRCCS, University of Milan, Italy.
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Abstract
Ectopic POMC syndrome remains one of the most challenging differential diagnoses in endocrinology. Recent progress in the understanding of the tissue specific regulation of POMC gene expression and new insights into the processing of the POMC peptide in nonpituitary tissues has helped elucidate some of the molecular events leading to ectopic expression and secretion of POMC peptides. Corticotropin and other POMC-derived peptides have diverse effects on adrenal steroidogenesis, growth, and extra-adrenal tissues. Differences in POMC gene regulation in the corticotrope versus ectopic POMC-producing tumors provides a scientific framework for the clinical distinction between eutopic and ectopic Cushing's syndrome. In an attempt to revisit recent basic and clinical advances in the diagnosis of ectopic POMC syndrome the authors undertook an extensive literature review of 530 cases in 197 published papers and provided a molecular biologic, demographic and diagnostic update. According to this review, the four most common causes of ectopic POMC syndrome are the small cell carcinoma of the lung (27%), bronchial carcinoids (21%), islet cell tumor of the pancreas (16%), and thymic carcinoids (10%). Although the clinical features of patients with ectopic POMC syndrome are similar to those with Cushing's disease, subgroup analysis reveals a broad spectrum of severity and progression of signs and symptoms of hypercortisolism. The endocrine workup of a patient with suspected ectopic POMC syndrome includes the establishment of pathologic hypercortisolism, diagnosis of corticotropin dependency, and the differential diagnosis of corticotropin-dependent Cushing's syndrome. The use of a variety of baseline endocrine values, dynamic endocrine testing, and invasive procedures leads to the correct diagnosis in the majority of patients with ectopic POMC syndrome. Diagnostic imaging, including conventional radiological techniques and somatostatin receptor scintigraphy, aids in the correct localization and eventual treatment of ectopic POMC production.
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Affiliation(s)
- Felix Beuschlein
- Division of Endocrinology and Metabolism, Department of Internal Medicine, University of Michigan, 5560A MSRB II, 1150 West Medical Center Dr., Ann Arbor, MI 48109-0678, USA
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Abstract
Ectopic ACTH syndrome represents a cancer-induced amplification of a property [proopiomelanocortin (POMC) peptides production] normally present in the cells from which the cancer originated but with aberrant posttranslational processing of POMC resulting in a greatly elevated secretion of ACTH precursors. The classic ectopic ACTH-producing tumors described in the 1960s were highly malignant but more recently slowly growing tumors such as carcinoids are reported with increasing frequency. Clinical features of patients with ectopic ACTH were analyzed, including biochemical abnormalities, plasma ACTH, cortisol and urinary steroids. Dynamic tests such as high-dose dexamethasone suppression, metyrapone and ovine-CRH (oCRH) stimulation were explored, as well as inferior petrosal sinus ACTH sampling before and after oCRH. Among the tumor markers examined, elevation of ACTH precursors was uniformly present followed by increased output of calcitonin, gut hormones, oncofetal and placental hormones in decreasing order. Since more than 90% of ectopic ACTH tumors are neuroendocrine in nature exhibiting APUD characteristics, their 2 markers, neuron-specific enolase and chromogranins are very useful. The imaging procedures for localization of the tumor ranged from chest X-rays to computed tomography and magnetic resonance of the chest and abdomen. Abdominal ultrasonography was also useful. Finally somatostatin receptor scintigraphy permitted demonstration of unrecognized tumors and/or metastases, even when the tumors were occult. The ACTH content, immunostaining for APUD markers and altered POMC processing were evaluated in ectopic tumors and/or metastases. Occult ectopic ACTH syndrome of more than 4-6 months of symptoms without the emergence of an obvious source was reviewed. Since the tumors are often clinically and biochemically undistinguishable from pituitary-dependent Cushing's disease, inferior petrosal sinus sampling for ACTH after oCRH stimulation established the diagnosis in over 90% of the cases. 60% of the occult tumors were thoracic carcinoids (3/4 bronchial carcinoids), followed by small cell lung cancer and pancreatic neuroendocrine tumors. In 12% the primary etiology was not detected. The rare syndrome of ectopic CRH syndrome (6 published cases) leading to excessive stimulation of the pituitary which became hyperplastic and secreted excessive amounts of ACTH is discussed. Finally, the 12 published cases and 1 unreported patient with ectopic CRH-ACTH tumors were reviewed, the majority being metastatic small cell lung carcinomas, bronchial and thymic carcinoids.
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Affiliation(s)
- B L Wajchenberg
- Endocrine Service, Hospital das Clínicas, University of São Paulo School of Medicine, Brazil
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Salgado LR, Mendonca BB, Goldman J, Semer M, Knoepfelmacher M, Tsanaclis AM, Wajchenberg BL, Liberman B. Failure of Partial Hypophysectomy as Definitive Treatment in Cushing's Disease Owing to Nodular Corticotrope Hyperplasia: Report of Four Cases. Endocr Pathol 1995; 6:57-66. [PMID: 12114690 DOI: 10.1007/bf02914989] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Nodular corticotrope hyperplasia is a rare pathology causing Cushing's syndrome owing to a primary pituitary disease or ectopic CRH production. In this study, we evaluated the laboratory and pathological findings and results of transsphenoidal pituitary surgery in four patients with Cushing's disease. Dynamic tests of pituitary-adrenal function (dexamethasone suppression, metyrapone, CRH, and DDAVP tests) were done before and after transsphenoidal pituitary surgery. Plasma and total urinary cortisol, serum 11-deoxycortisol, and plasma ACTH were determined by RIA. Hormonal dynamic tests and radiologic studies were compatible with a pituitary ACTH source. The transsphenoidal surgery revealed the presence of corticotrope hyperplasia confirmed by immunoperoxidase stain and a preserved reticulum framework in the removed pituitary tissue of these four patients. The pituitary surgery led to a short period of improvement in two of the patients (1 and 4), a 3-yr remission in one patient (patient 2), and no improvement in one (patient 3). We conclude that although our patients appear to have inadequate suppression with high-dose dexamethasone, there is no way to diagnose this pathology presurgically, and that total hypophysectomy, bilateral adrenalectomy, and irradiation are the only alternatives for definitive treatment. A CRH-secreting ectopic tumor could not be found in our patients either before or after surgery in the follow-up period.
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Auchus RJ, Mastorakos G, Friedman TC, Chrousos GP. Corticotropin-releasing hormone production by a small cell carcinoma in a patient with ACTH-dependent Cushing's syndrome. J Endocrinol Invest 1994; 17:447-52. [PMID: 7930390 DOI: 10.1007/bf03347737] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
We describe a patient with Cushing's syndrome and metastatic small cell lung cancer. The plasma ACTH concentrations were markedly elevated (91.6 pmol/L), and the AM cortisol did not suppress by > 50% overnight after administration of 8 mg dexamethasone, both consistent with the ectopic ACTH syndrome. Immunohistochemical studies of a single metastatic tumor specimen, however, demonstrated an absence of ACTH and yet an abundance of corticotropin-releasing hormone (CRH). In addition, radioimmunoassay of the patient's plasma demonstrated persistently elevated CRH concentrations. The majority of the plasma CRH immunoreactivity exhibited the same chromatographic mobility as synthetic r/h CRH (1-41) on HPLC. Failure to evaluate the tumor tissue for the presence of ACTH and/or CRH would have led to the erroneous conclusion that this patient's Cushing's syndrome resulted from paraneoplastic ACTH production. We conclude that immunoassay of plasma for both ACTH and CRH and, perhaps, immunostaining of tumor samples are required to distinguish between the ectopic ACTH and CRH syndromes.
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Affiliation(s)
- R J Auchus
- Department of Endocrinology and Metabolism, Wilford Hall Medical Center, Lackland AFB, TX
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Lalau JD, Vieau D, Tenenbaum F, Westeel PF, Mesmacque A, Lenne F, Quichaud J. A case of pseudo-Nelson's syndrome: cure of ACTH hypersecretion by removal of a bronchial carcinoid tumor responsible for Cushing's syndrome. J Endocrinol Invest 1990; 13:531-7. [PMID: 2175323 DOI: 10.1007/bf03348619] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
It may sometimes be difficult to distinguish Cushing's disease from ectopic ACTH syndrome. A case is described here of a patient with a Cushing's syndrome and diagnostic difficulties. Initial features were consistent with a Cushing's disease (in particular metopirone test was positive). Because of relapse of hypercortisolism after mitotane therapy, total adrenalectomy was performed. Thereafter features occurred that evoked Nelson's syndrome, including high plasma ACTH levels and a pituitary mass syndrome. Pituitary reserve testings by vasopressin or corticotropin-releasing factor were positive, although inconstantly, in that plasma ACTH increased. A lung tumor was discovered about 20 yr after the first clinical signs of hypercortisolism. Its removal led to the discovery of a bronchial carcinoid tumor and was followed by normalization of plasma ACTH levels. An analysis of proopiomelanocortin-related peptides was performed postoperatively on the blood drawn before and after the tumor resection and on the tumor; the results of this study would have been contributive to the diagnosis of occult ectopic ACTH tumor. In conclusion this case demonstrates the limitations of the conventional procedures in the diagnosis of the ectopic ACTH syndrome. At contrast the newer biochemical procedures may be very useful in determining the type of hypercortisolism.
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Affiliation(s)
- J D Lalau
- Service Médicine Interne, Endocrinologie, Centre Hospitalier Régional, Amiens, France
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