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Multiple Endocrine Neoplasia Type 1
Multiple endocrine neoplasia type 1

Presentation

We present a case of an 8-year-old boy referred because of hypoglycemic attacks. His diagnosis was pancreatic insulinoma. Paternal grandmother died due to repeated gastroduodenal ulcerations and a paternal aunt presented similar manifestations. [ncbi.nlm.nih.gov]

Entire Body System

  • Fatigue

    We ask about general symptoms (anxious mood, depressed mood, fatigue, pain, and stress) regardless of condition. Last updated: May 13, 2019 [patientslikeme.com]

    However, most people with endocrine disease complain of fatigue and weakness. Blood and urine tests to check your hormone levels can help your doctors determine if you have an endocrine disorder. [webmd.com]

    A person may have hyperparathyroidism for many years with no symptoms or have symptoms such as kidney stones, bone thinning, nausea and vomiting, high blood pressure (hypertension), weakness, and fatigue. [endocrineweb.com]

    These can cause skin rashes, weight loss and diabetes mellitus as well as fatigue, shortness of breath and lightheadedness as a consequence of anaemia. [yourhormones.info]

    The symptoms are very varied according to the type and extent of the glands affected and may include: Abdominal pain Amenorrhea Constipation or diarrhea Depression and anxiety Decreased libido Fatigue and weakness Headache Loss of appetite and weight [news-medical.net]

Gastrointestinal

  • Abdominal Pain

    Abdominal pain may be due to dyspepsia, peptic ulcer disease, constipation, or pancreatitis, all of which more commonly occur in the presence of hypercalcaemia. [endobible.com]

    High levels of gastrin, ulcers, inflammation of the esophagus, diarrhea and abdominal pain Headaches and changes in vision Problems with sexual function and fertility Acromegaly (enlargement of the bones) Cushing’s syndrome Excess production of breast [mdanderson.org]

    The symptoms are very varied according to the type and extent of the glands affected and may include: Abdominal pain Amenorrhea Constipation or diarrhea Depression and anxiety Decreased libido Fatigue and weakness Headache Loss of appetite and weight [news-medical.net]

    Abdominal computed tomography (CT scan) or abdominal MRI scan beginning at age 20. [rarediseases.info.nih.gov]

    Zollinger-Ellison syndrome may include severe gastric ulcers, abdominal pain, loss of appetite, chronic diarrhea, malnutrition, and subsequent weight loss. Other non-beta islet cell tumors associated with MEN1 are discussed below. [en.wikipedia.org]

  • Nausea

    A 53-year-old woman presented with nausea and severe primary hyperparathyroidism. Computed tomography revealed parathyroid masses, shown later to be bilateral parathyroid carcinomas and adenomas. [ncbi.nlm.nih.gov]

    Abdominal pain may be due to dyspepsia, peptic ulcer disease, constipation, or pancreatitis, all of which more commonly occur in the presence of hypercalcaemia, as does nausea and anorexia. [endobible.com]

    A person may have hyperparathyroidism for many years with no symptoms or have symptoms such as kidney stones, bone thinning, nausea and vomiting, high blood pressure (hypertension), weakness, and fatigue. [endocrineweb.com]

    Pituitary tumors can lead to headaches, vision problems, nausea and vomiting. In women, menstrual periods may become irregular or stop completely. Men may have decreased fertility, diminished sexual desire, and/or erectile dysfunction. [rarediseases.info.nih.gov]

Musculoskeletal

  • Osteoporosis

    At age 75, Dual Energy X-ray Absoptiometry (DEXA) revealed osteoporosis and sestamibi scan showed a left parathyroid adenoma. Criteria for parathyroidectomy were met, and she underwent parathyroidectomy. [ncbi.nlm.nih.gov]

    These symptoms can progress into further complications, such as muscle weakness, osteoporosis, kidney stones, mental and behavioural changes. [medic8.com]

    If left untreated,the long term effects of hypercalcaemia can include osteoporosis and renal stones. 2. Pancreatic neuroendocrine tumours May occur in up to 75% of MEN1 patients. [genomicseducation.hee.nhs.uk]

Urogenital

  • Polyuria

    Common symptoms associated with hypercalcemia include polydipsia, polyuria, constipation, and generalized malaise. [emedicine.com]

    The need for frequent urination (polyuria). Blocked bowels or constipation. Fatigue. These symptoms can progress into further complications, such as muscle weakness, osteoporosis, kidney stones, mental and behavioural changes. [medic8.com]

    The commonest manifestation of this is increased thirst, followed by polyuria and nocturia. Increased urinary calcium loss also predisposes to renal stone formation and hence renal colic. [endobible.com]

  • Primary Amenorrhea

    Remarkably, she also reported primary amenorrhea and was found to have an invasive pituitary lactotroph adenoma, which was treated with cabergoline and external beam radiotherapy. [ncbi.nlm.nih.gov]

Neurologic

  • Headache

    A 35-year-old woman who had undergone bilateral inferior parathyroidectomy for primary hyperparathyroidism was referred to our hospital to evaluate the cause of irregular menses, galactorrhea, and paroxysmal headache. [ncbi.nlm.nih.gov]

    Has the patient developed a new headache or neuralgia? Assess for red flag symptoms: headaches present on waking and worse on coughing or leaning forward are more suggestive of increased intracranial pressure. [endobible.com]

    High levels of gastrin, ulcers, inflammation of the esophagus, diarrhea and abdominal pain Headaches and changes in vision Problems with sexual function and fertility Acromegaly (enlargement of the bones) Cushing’s syndrome Excess production of breast [mdanderson.org]

    The symptoms are very varied according to the type and extent of the glands affected and may include: Abdominal pain Amenorrhea Constipation or diarrhea Depression and anxiety Decreased libido Fatigue and weakness Headache Loss of appetite and weight [news-medical.net]

Workup

Diagnosis [ edit ] In a diagnostic workup individuals with a combination of endocrine neoplasias suggestive of the MEN1 syndrome are recommended to have a mutational analysis of the MEN1 gene if additional diagnostic criteria are sufficiently met, mainly [en.wikipedia.org]

Nephrolithiasis was suspected and further workup was performed. [ispub.com]

X-Ray

  • Nephrolithiasis

    On follow-up, hypercalcemia with high parathyroid hormone (PTH) levels was detected, associated with nephrolithiasis and low bone mineral density in the spine and hip. [ncbi.nlm.nih.gov]

    Nephrolithiasis was suspected and further workup was performed. [ispub.com]

    Clinical manifestations can include hypercalcemia, nephrolithiasis, and bone abnormalities (osteitis fibrosa cystica). Common symptoms associated with hypercalcemia include polydipsia, polyuria, constipation, and generalized malaise. [emedicine.com]

    Tumours may hypersecrete hormone, causing hypercalcaemia and recurrent nephrolithiasis (hyperparathyroidism), Zollinger-Ellison syndrome (hypergastrinaemia), hypoglycaemia (hyperinsulinaemia), amenorrhoea (hyperprolactinaemia) or acromegaly (excess growth [patient.info]

Serum

  • Gastrin Increased

    […] hormone: increased production of cortisol Gastrin: increased risk of stomach ulcers Glucagon: increased risk of diabetes mellitus Parathyroid hormone: increased risk of hypercalcemia and kidney stones Vasoactive intestinal peptide: severe diarrhea Cause [news-medical.net]

    • Hypercalcemia may increase gastrin secretion from gastrinoma 10. [slideshare.net]

Treatment

The prognosis might improve by preclinical tumor diagnosis and appropriated treatment. [ncbi.nlm.nih.gov]

They may grow slowly and not need treatment straight away. Treatment can include an operation to remove the tumour, or drug treatments such as sunitinib (Sutent®) or everolimus (Afinitor®) tablets. [macmillan.org.uk]

Treating tumors If the tumors are small and not causing symptoms, no treatment may be needed. Doctors will follow these tumors with blood and imaging tests. Treatment varies depending on the location and type of tumor. [niddk.nih.gov]

[…] larger, more aggressive, and resistant to treatment, and the concurrence of metastases. [rdm.ox.ac.uk]

Prognosis

Although prognosis is stage dependent for patients with thymoma, patients with thymic carcinoids and MEN 1 have been reported to have an extremely poor prognosis, with many patients dying of complications from thymic carcinoid rather than dying of other [ncbi.nlm.nih.gov]

Etiology

In addition, no etiological relationship between seminoma and MEN1 has yet been reported. [ncbi.nlm.nih.gov]

Authors previously reported that MEN1 mutations in such patients were etiologic factors for MEN1, but the present study is the first to demonstrate that these mutations are related to PC. [atlasofscience.org]

However, more research is required to investigate the etiology of the condition. MEN1 is inherited in an autosomal dominant inheritance pattern. [news-medical.net]

(Etiology) Multiple Endocrine Neoplasia Type 1 disorders are genetically inherited It is inherited in an autosomal dominant pattern, which means any parent with the abnormal gene can pass it on to their children - a single copy of the gene is sufficient [dovemed.com]

Epidemiology

Netherlands. 3 Department of Endocrine Oncology, University Medical Center Utrecht, Utrecht, The Netherlands. 4 Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands. 5 Departments of Endocrinology and Metabolism and Clinical Epidemiology [ncbi.nlm.nih.gov]

Cutaneous tumours are common in MEN1 and include multiple angiofibromas (previously considered pathognomonic for tuberous sclerosis), collagenomas, and lipomas. [ 4 ] Epidemiology The prevalence throughout the world is estimated to be 1 in 20,000 to 1 [patient.info]

Epidemiology • Incidence 1 in 30,000. • M:F=1:1 • No racial or ethnic predilection. • Diagnosis before 10 years of age is rare. 6. [slideshare.net]

Second-hit mutations in MEN1 have been documented in angiofibromas, collagenomas, and lipomas in patients with MEN1. [12, 13, 14] Epidemiology Frequency Worldwide, the frequency of MEN1 is estimated to be 1 case in 30,000 persons. [15] Race- and sex-related [emedicine.medscape.com]

Familial carcinoid tumors and subsequent cancers: a nationwide epidemiologic study from Sweden. Int J Cancer, 94 (2001), pp. 444-448 [8] AM Oliveira, HD Tazelaar, KA Wentzlaff, NS Kosugi, N Hai, A Benson, et al. Familial pulmonary carcinoid tumors. [archbronconeumol.org]

Pathophysiology

To gain insights into MEN1 pathophysiology, menin-interacting partners and pathways have been identified to investigate its tumor suppressor and other functions. [ncbi.nlm.nih.gov]

[…] cohort of patients with Zollinger-Ellison syndrome due to gastrinomas, for example, the dermatological criterion of more than 3 angiofibromas or 1 or more collagenomas was sensitive (75%) and specific (95%) for the diagnosis of MEN1. [5] Background Pathophysiology [emedicine.medscape.com]

Pathophysiological study of diarrhoea in a patient with medullary thyroid carcinoma. Evidence against a secretory mechanism and for the role of shortened colonic transit time. [kjorl.org]

Prevention

Resection of the most severely affected part of the pancreas, whether left or right, associated with enucleation of concomitant macroadenomas in the preserved pancreas is recommended for the treatment of hypoglycemic/hyperinsulinemic syndrome and to prevent [ncbi.nlm.nih.gov]

[…] youth use of smokeless tobacco, FDA expanded its youth tobacco prevention campaign, “The Real Cost” to include a smokeless tobacco prevention campaign. [fda.gov]

Treatment may require regular monitoring and considerable expense, but the disease usually does not prevent an active, productive adulthood. [clevelandclinic.org]

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