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Behdadnia A, Jeddi M. Severe hypercalcemia due to metastatic pancreatic neuroendocrine tumor: a case report. J Med Case Rep 2023; 17:400. [PMID: 37670372 PMCID: PMC10481486 DOI: 10.1186/s13256-023-04042-5] [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: 03/13/2023] [Accepted: 06/15/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Hypercalcemia of malignancy, as a paraneoplastic syndrome, is the most common metabolic disorder that accounts for 30% of malignancies and usually has a poor prognosis. Neuroendocrine tumors are uncommon and arise from neuroendocrine cells throughout the body. Actually, paraneoplastic hypercalcemia in neuroendocrine tumors is unusual and mostly associated with parathyroid hormone-related protein (PTHrP) secretion. CASE PRESENTATION We report a 51-year-old Iranian man who presented with nausea, vomiting, and significant weight loss for 1 month. Laboratory data revealed calcium of 26 mg/dl, accompanied by low level of PTH. Octreotide scan revealed a large donut-shaped octreotide avid lesion in the epigastric region at the right side of the mid-abdomen, with multiple varying size foci of abnormally increased radiotracer uptake in the epigastric region and both lobes of the liver. Endoscopic ultrasonography demonstrated a large heterogeneous mass lesion with irregular outline and good demarcation in the body of the pancreas with diffuse foci of calcification. Percutaneous biopsy of the liver mass demonstrated a well-differentiated neuroendocrine tumor (low grade) confirmed by immunohistochemistry with strongly positive chromogranin and synaptophysin stain. Hypercalcemia was treated with hydration, few sessions of hemodialysis, calcitonin, and denosumab injection. However, the patient developed symptomatic hypocalcemia. Oncology consultation led to prescription of long-acting octreotide 30 mg monthly and everolimus daily. CONCLUSION Pancreatic neuroendocrine tumor could lead to malignant hypercalcemia; secretion of PTHrP is the most common cause, and signs and symptoms are usually milder than paraneoplastic syndrome due to hematologic and solid tumor. Generally, survival is better; however, its treatment is challenging, and primary debulking surgery is often required. A team approach to management is important at all points.
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Affiliation(s)
- Aram Behdadnia
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, 71345-1414, Iran
| | - Marjan Jeddi
- Endocrinology and Metabolism Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, 71345-1414, Iran.
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Ferrel B, Franko J, Tee MC. Rare case of pancreatic neuroendocrine tumour presenting as paraneoplastic hypercalcaemia. BMJ Case Rep 2021; 14:14/4/e240786. [PMID: 33858893 PMCID: PMC8054046 DOI: 10.1136/bcr-2020-240786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
An asymptomatic 68-year-old woman who presented with an isolated hypercalcaemia was diagnosed with a rare, previously unsuspected parathyroid hormone-related peptide (PTHrP)-producing pancreatic neuroendocrine tumour. She underwent an extensive operation including vascular resection and reconstruction, resulting in successful removal of the tumour with negative margins. Medical and surgical management of pancreatic neuroendocrine tumours and PTHrP-mediated paraneoplastic hypercalcaemia is discussed.
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Affiliation(s)
- Benjamin Ferrel
- Department of Surgical Oncology, MercyOne Medical Center, Des Moines, Iowa, USA
| | - Jan Franko
- Department of Surgical Oncology, MercyOne Medical Center, Des Moines, Iowa, USA
| | - May C Tee
- Department of Surgical Oncology, MercyOne Medical Center, Des Moines, Iowa, USA
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Al-Salameh A, Cadiot G, Calender A, Goudet P, Chanson P. Clinical aspects of multiple endocrine neoplasia type 1. Nat Rev Endocrinol 2021; 17:207-224. [PMID: 33564173 DOI: 10.1038/s41574-021-00468-3] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/07/2021] [Indexed: 01/31/2023]
Abstract
Multiple endocrine neoplasia type 1 (MEN1) is a rare syndrome characterized by the co-occurrence of primary hyperparathyroidism, duodenopancreatic neuroendocrine tumours (NETs) and/or pituitary adenomas. MEN1 can predispose patients to other endocrine and non-endocrine tumours, such as cutaneous tumours, central nervous system tumours and breast cancer. Endocrine tumours in patients with MEN1 differ from sporadic tumours in that they have a younger age at onset, present as multiple tumours in the same organ and have a different clinical course. Therefore, patients with overt MEN1 and those who carry a MEN1 mutation should be offered tailored biochemical and imaging screening to detect tumours and evaluate their progression over time. Fortunately, over the past 10 years, knowledge about the clinical phenotype of these tumours has markedly progressed, thanks to the implementation of national registries, particularly in France and the Netherlands. This Review provides an update on the clinical management of MEN1-related tumours. Epidemiology, the clinical picture, diagnostic work-up and the main lines of treatment for MEN1-related tumours are summarized. Controversial therapeutic aspects and issues that still need to be addressed are also discussed. Moreover, special attention is given to MEN1 manifestations in children and adolescents.
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Affiliation(s)
- Abdallah Al-Salameh
- Assistance Publique-Hôpitaux de Paris, Hôpital de Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, Le Kremlin-Bicêtre, France
- Service d'Endocrinologie, Maladies Métaboliques et Nutrition, CHU Amiens Picardie, Amiens, France
| | - Guillaume Cadiot
- Service d'Hépato-Gastro-Entérologie et de Cancérologie Digestive, Hôpital Robert Debré, Reims, France
| | - Alain Calender
- Unité Médicale des Cancers et Maladies Multifactorielles, Service de Génétique, Hospices Civils de Lyon, Lyon, France
| | - Pierre Goudet
- Service de Chirurgie Endocrinienne, Hôpital du Bocage, Dijon, France
| | - Philippe Chanson
- Assistance Publique-Hôpitaux de Paris, Hôpital de Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, Le Kremlin-Bicêtre, France.
- Université Paris-Saclay, Inserm, Physiologie et Physiopathologie Endocriniennes, Le Kremlin-Bicêtre, France.
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Abstract
Hypercalcemia has been reported to occur in up to 30% of patients who have a malignancy. Hypercalcemia is most common in those who have later-stage malignancies and predicts a poor prognosis for those with it. The most common causes include humoral hypercalcemia of malignancy mediated by parathyroid hormone–related peptide, osteolytic cytokine production, and excess 1,25-dihydroxy vitamin D production. However, the etiology is not always mediated by malignancy. Hypercalcemia can occur in those with malignancy and an additional etiology for hypercalcemia such as primary hyperparathyroidism or granulomatous diseases. This paper reviews the cancers associated with hypercalcemia and their proposed mechanisms, nontumor-mediated hypercalcemia, as well as diagnosis and treatment strategies for each condition.
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Gomes LDS, Kulak CAM, Costa TMDRL, Vasconcelos ECG, Carvalho MD, Borba VZC. Association of primary hyperparathyroidism and humoral hypercalcemia of malignancy in a patient with clear cell renal carcinoma. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2015; 59:84-8. [PMID: 25926120 DOI: 10.1590/2359-3997000000015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Accepted: 05/29/2014] [Indexed: 11/21/2022]
Abstract
Hypercalcemia is found frequently in patients with cancer. Besides the etiology related to the malignancy, other causes should be considered in the differential diagnostic, as primary hyperparathyroidism, granulomatous diseases and the use of thiazide diuretics. We present a case report of a severe hypercalcemia due to a rare association and review the relevant literature. A female patient, 57 years old, sent to the Endocrinology Service of Hospital das Clínicas da Universidade do Paraná (SEMPR) in order to investigate severe hypercalcemia with frequent need of hospitalization. The patient was in chemotherapy treatment for recurrence of clear cell renal cancer. During the investigation she presented high level of parathyroid hormone (PTH) and parathyroid scintigraphy suggestive of hyperplasia/ adenoma of parathyroid, histopathological diagnosis was confirmed after parathyroidectomy. After surgery the patient presented undetectable levels of PTH. However, she continued with progressive increase of serum calcium, with no signs of bone metastases or change in vitamin D metabolism. The investigation showed high levels of PTH-related protein (PTHrP), leading us to the diagnosis of hypercalcemia of malignancy. The patient presented severe hypercalcemia due to the rare association of primary hyperparathyroidism and humoral hypercalcemia of malignancy due to secretion of PTHrP by tumor cells. The presence of isolated primary hyperparathyroidism, as a cause of hypercalcemia in cancer patients, has been described in approximately 5-10% of the patients. However, the association of primary hyperparathyroidism and humoral hypercalcemia of malignancy (which means with concomitant elevation of PTH and PTHrP) is rare, only three cases have been described in the literature.
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Affiliation(s)
| | - Carolina A M Kulak
- Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, PR, Brazil
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Milanesi A, Yu R, Wolin EM. Humoral hypercalcemia of malignancy caused by parathyroid hormone-related peptide-secreting neuroendocrine tumors. Report of six cases. Pancreatology 2013; 13:324-6. [PMID: 23719609 DOI: 10.1016/j.pan.2013.02.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Revised: 02/22/2013] [Accepted: 02/22/2013] [Indexed: 12/11/2022]
Abstract
We report the clinical characteristics and management of six patients with metastatic gastroentero-pancreatic neuroendocrine tumor (NET) presenting with severe hypercalcemia due to elevation of parathyroid hormone-related protein (PTHrP). All patients had histological confirmation of NET, five well-differentiated and one poorly differentiated. In 5 patients, hypercalcemia developed after years after the initial diagnosis of NET. One patient presented with concomitant elevation of PTHrP and intact parathyroid hormone (PTH) in the setting of multiple endocrine neoplasia 1 (MEN1). In all the other cases, PTH levels were low or undetectable. Management of malignant hypercalcemia due to PTHrP-producing NET is challenging, and optimal therapy depends on the extent of metastatic disease and the grade of malignancy. Aggressive tumor cytoreduction in addition to the systemic treatment modalities is frequently used to control disease progression and endocrine symptoms. To our knowledge, this is the largest series to date of hypercalcemia mediated by PTHrP-secreting NET.
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Affiliation(s)
- Anna Milanesi
- Division of Endocrinology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
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Abstract
We report 2 cases of familial multiple endocrine neoplasia type 1 syndrome (MEN 1) in related Malaysian Chinese individuals: the son had simultaneous primary lesions in the pancreatic tail, parathyroid, adrenal gland, and hypophysis, with metastatic tumors in the left lung, mediastinum and spine; his mother had simultaneous primary lesions in the pancreatic head, parathyroid, and hypophysis, with metastatic tumors in the liver, spine, ilium, chest wall, and rib. Genetic testing of the 2 patients showed the same mutation in exon 9 of MEN1 (c.1288G>T, Glu430, encoding a stop codon). The tumors with the poorest prognosis and clinical sequelae were in the pancreas of both patients, and these were treated by percutaneous cryoablation. The number of hypoglycemic episodes in the son improved for more than 120 days, and the abdominal space occupying lesion resolved in his mother.
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Ro C, Chai W, Yu VE, Yu R. Pancreatic neuroendocrine tumors: biology, diagnosis,and treatment. CHINESE JOURNAL OF CANCER 2012; 32:312-24. [PMID: 23237225 PMCID: PMC3845620 DOI: 10.5732/cjc.012.10295] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Pancreatic neuroendocrine tumors (PNETs), a group of endocrine tumors arising in the pancreas, are among the most common neuroendocrine tumors. The genetic causes of familial and sporadic PNETs are somewhat understood, but their molecular pathogenesis remains unknown. Most PNETs are indolent but have malignant potential. The biological behavior of an individual PNET is unpredictable; higher tumor grade, lymph node and liver metastasis, and larger tumor size generally indicate a less favorable prognosis. Endocrine testing, imaging, and histological evidence are necessary to accurately diagnose PNETs. A 4-pronged aggressive treatment approach consisting of surgery, locoregional therapy, systemic therapy, and complication control has become popular in academic centers around the world. The optimal application of the multiple systemic therapeutic modalities is under development; efficacy, safety, availability, and cost should be considered when treating a specific patient. The clinical presentation, diagnosis, and treatment of specific types of PNETs and familial PNET syndromes, including the novel Mahvash disease, are summarized.
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Affiliation(s)
- Cynthia Ro
- Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
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Current World Literature. Curr Opin Oncol 2012; 24:109-14. [DOI: 10.1097/cco.0b013e32834f4ea3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Bibliography. Parathyroids, bone and mineral metabolism. Current world literature. Curr Opin Endocrinol Diabetes Obes 2011; 18:418-22. [PMID: 22024994 DOI: 10.1097/med.0b013e32834decbe] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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