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This is a consensus statement from an international group, mostly of clinical endocrinologists. MEN1 and MEN2 are hereditary cancer syndromes. The commonest tumors secrete PTH or gastrin in MEN1, and calcitonin or catecholamines in MEN2. Management strategies improved after the discoveries of their genes. MEN1 has no clear syndromic variants. Tumor(More)
The spectrum and extent of islet cell histopathological findings in patients with multiple endocrine neoplasia, type I (MEN I) syndrome has never been clearly defined. Although some patients have discreet tumors causing clinically evident syndromes, others may have no symptoms until metastatic islet cell carcinoma is apparent. Whether diffuse islet cell(More)
Gastrinomas are now being detected at an earlier stage than was formerly the case. Furthermore, with the ability to control acid secretion, emphasis has been placed on identifying gastrinoma patients who are potentially curable by tumor resection rather than by palliative gastrectomy. Despites estimates suggesting that 20-40% of sporadic gastrinoma patients(More)
The pancreatic component of the multiple endocrine neoplasia type I (MEN I) syndrome is a difficult and controversial problem because the entire endocrine pancreas is diffusely involved with varying degrees of islet-cell hyperplasia, microadenomatosis, and nesidioblastosis. In addition, in patients with functional syndromes, islet-cell tumors usually(More)
The clinical features of eight women and three men with nonfunctioning islet cell carcinoma of the pancreas were reviewed. The mean patient age was 58 years (range 44 to 75 years). Weight loss and abdominal pain were the most frequent presenting symptoms. An abdominal mass was palpable in five patients. At operation regional or distant metastases were(More)
In a multiinstitutional review, data on 396 patients with benign solitary or multiple insulinomas operated on in 15 centers were collected. In these 396 patients, 419 laparotomies (375 primary procedures and 44 reoperations) were performed. The rate of unnecessary laparotomies was 1.7%. Complications occurred after 132 operations (31.5%), requiring 27(More)
The treatment of Hürthle cell neoplasms of the thyroid is controversial because of a lack of information about their clinical behavior and long-term follow-up. We reevaluated our experience of the past 33 years and compared our early experience with the more aggressive surgical approach used during the past ten years. We treated 62 patients with Hürthle(More)
Primary hyperparathyroidism (HPT) is considered a rare disease in children and an uncommon one in adolescents and young adults. Until 1975, only 60 children under the age of 16 years had been reported with proven HPT. Most had symptoms of weakness, irritability, anorexia, and weight loss. Severe hypercalcemia (serum calcium>15 mg/ 100 ml) and radiologic(More)