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Multiple Endocrine Neoplasia type 2 (MEN2) is a genetic cancer syndrome for which there are limited data pertaining to the quality of life and psychosocial experiences of persons affected. Medullary thyroid carcinoma (MTC) is a rare disease of the thyroid gland often associated with MEN2. MTC often progresses slowly and may present with a myriad of physical symptoms including hair loss, sleep disturbance, fatigue, weight changes, heart palpitations, and constipation or diarrhea. Like other cancers or rare, inheritable illnesses, patients with MEN2 and MTC may be at risk for psychosocial stressors. The current, cross-sectional study administered a structured psychosocial interview and The Distress Thermometer/Problem Checklist to 63 patients with MEN2 and MTC and their caregivers. Despite reports of overall good health, 46% of adults and 44% of youth reported that pain interferes with their daily life; 53% of adults and 59% of youth reported that pain interferes with their mood. Pediatric patients frequently reported experiencing attention challenges (50%) and difficulty concentrating (65%). Parents reported that mood shifts and becoming upset easily were the most prevalent concerns for their children. The most frequent need for services included education about MTC, treatment and research participation, and the opportunity to meet others with MTC.
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http://dx.doi.org/10.3390/children9060774 | DOI Listing |
Cureus
July 2025
Medical Oncology, Kameda Medical Center, Kamogawa, JPN.
Cancer of unknown primary (CUP) with neuroendocrine features is classified as a favorable subset, and treatment is recommended based on the grade of the neuroendocrine tumor (NET). Although rare, medullary thyroid carcinoma (MTC) can present as CUP with neuroendocrine features and should be carefully considered as a crucial differential diagnosis in such cases. A 65-year-old man with no relevant medical history presented with a gradually enlarging left cervical mass.
View Article and Find Full Text PDFGland Surg
June 2025
Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna, Austria.
Background: Patients with rearranged-during-transfection () mutations may develop aggressive medullary thyroid carcinoma (MTC), pheochromocytoma (PCC) and primary hyperparathyroidism (PHPT) within the multiple endocrine neoplasia 2 (MEN2) syndrome, depending on the specific genotype. The Y791F variant has been subject to studies over time but opinions on how to deal with it differ. Pathogenicity could never be proven, nor entirely ruled out.
View Article and Find Full Text PDFAbstract: RET is a key oncogene in neuroendocrine cancer. Pathogenic germline variants lead to multiple different phenotypes, including multiple endocrine neoplasia type 2, medullary thyroid cancer (MTC), Hirschsprung disease and kidney malformations. Pathogenic somatic variants are also associated with MTC, and RET rearrangements are observed in papillary thyroid cancer, non-small cell lung cancer and pan-cancer syndromes.
View Article and Find Full Text PDFJ Clin Endocrinol Metab
March 2025
Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa, Pisa, Italy.
Context: Hereditary medullary thyroid carcinoma (MTC) is an inherited syndrome accounting for 25% of MTC cases. It is caused by germline RET mutations, which can be inherited or occur de novo.
Objective: This study aimed to define the prevalence and genetics of de novo MEN2 syndromes, which are not yet fully understood, and to characterize the parental origin of the RET de novo mutation.
Recent Results Cancer Res
March 2025
Endocrine Unit, Department of Clinical Therapeutics, School of Medicine, Alexandra Hospital, National and Kapodistrian University of Athens, Athens, Greece.
One of the components of the classical form of MEN2 syndromes is primary hyperparathyroidism (PHP). It occurs in 20-30% of the typical MEN2A syndrome. Recently, the prevalence in ret gene carriers is rarer possibly due to the increased recognition of cases who have familial MTC only.
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