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Comprehensive treatment of rare multiple endocrine neoplasia type 1: A case report.

ABSTRACT: BACKGROUND:Multiple endocrine neoplasia type 1 (MEN1) is a rare hereditary disorder caused by mutations of the MEN1 gene. It is characterized by hyperparathyroidism and involves the pancreas, anterior pituitary, duodenum, and adrenal gland. Here, we report a 40-year-old male patient with MEN1 who first manifested as thymic carcinoid, then primary hyperparathyroidism and prolactinoma, and a decade later pancreatic neuroendocrine tumor. CASE SUMMARY:The patient underwent a thymectomy because of the thymic carcinoid 10 years prior and a prolactinoma resection 2 years prior. His sister suffered from prolactinoma. His parents displayed a typical triad of amenorrhea, galactorrhea, and infertility. Computed tomography revealed a strong signal in the upper portion of the left lobes and posterior portion of the right lobes of the thyroid and irregular soft tissue densities of the pancreatic body. Positron emission tomography/computed tomography imaging further showed strong 18F-flurodeoxyglucose uptake in the tail of the pancreatic body and segment IV of the liver. The patient underwent pancreatic body tail resection, pancreatic head mass enucleation, and ultrasound-guided radio-frequency ablation for liver cancer. Pathology results reported neuroendocrine tumor grade 2. Whole exome sequencing revealed a verified pathogenic mutation c.378G>A (p.Trp126*) in the MEN1 gene. The diagnosis of MEN1 was confirmed. At the 1.5-year follow-up, the patient appeared healthy without any sign of reoccurrence. CONCLUSION:The present case may add some insight into the diagnosis and treatment of patients with MEN1.

SUBMITTER: Ma CH

PROVIDER: S-EPMC7322426 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Comprehensive treatment of rare multiple endocrine neoplasia type 1: A case report.

Ma Chen-Hui CH Guo Huai-Bin HB Pan Xin-Yan XY Zhang Wan-Xing WX

World journal of clinical cases 20200601 12

<h4>Background</h4>Multiple endocrine neoplasia type 1 (MEN1) is a rare hereditary disorder caused by mutations of the <i>MEN1</i> gene. It is characterized by hyperparathyroidism and involves the pancreas, anterior pituitary, duodenum, and adrenal gland. Here, we report a 40-year-old male patient with MEN1 who first manifested as thymic carcinoid, then primary hyperparathyroidism and prolactinoma, and a decade later pancreatic neuroendocrine tumor.<h4>Case summary</h4>The patient underwent a th ...[more]

PMID: 32607345

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Project description:Multiple Endocrine Neoplasia Type 2 (MEN2) is a rare hereditary complex disorder characterized by the presence of medullary thyroid carcinoma (MTC), unilateral or bilateral pheochromocytoma (PHEO) and other hyperplasia and/or neoplasia of different endocrine tissues within a single patient. MEN2 has been reported in approximately 500 to 1000 families worldwide and the prevalence has been estimated at approximately 1:30,000. Two different forms, sporadic and familial, have been described for MEN2. Sporadic form is represented by a case with two of the principal MEN2-related endocrine tumors. The familial form, which is more frequent and with an autosomal pattern of inheritance, consists of a MEN2 case with at least one first degree relative showing one of the characteristic endocrine tumors. Familial medullary thyroid carcinoma (FMTC) is a subtype of MEN2 in which the affected individuals develop only medullary thyroid carcinoma, without other clinical manifestations of MEN2. Predisposition to MEN2 is caused by germline activating mutations of the c-RET proto-oncogene on chromosome 10q11.2. The RET gene encodes a single-pass transmembrane tyrosine kinase that is the receptor for glial-derived neurotrophic growth factors. The combination of clinical and genetic investigations, together with the improved understanding of the molecular and clinical genetics of the syndrome, helps the diagnosis and treatment of patients. Currently, DNA testing makes possible the early detection of asymptomatic gene carriers, allowing to identify and treat the neoplastic lesions at an earlier stage. In particular, the identification of a strong genotype-phenotype correlation in MEN2 syndrome may enable a more individualized treatment for the patients, improving their quality of life. At present, surgical treatment offers the only chance of cure and therefore, early clinical and genetic detection and prophylactic surgery in subjects at risk are the main therapeutic goal.

Dataset Information

Comprehensive treatment of rare multiple endocrine neoplasia type 1: A case report.

Publications

Comprehensive treatment of rare multiple endocrine neoplasia type 1: A case report.

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