Journal articleAnn Surg · January 2006
OBJECTIVE: To define the most sensitive biochemical test to establish the diagnosis of pheochromocytoma and also to assess the potential role of iodine 131-labeled metaiodobenzylguanidine scintigraphy (I-MIBG) in the diagnosis of this tumor. SUMMARY BACKGR ...
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Journal articleJ Gastrointest Surg · 2002
Chylous ascites caused by carcinoid tumors is extremely rare. While carcinoid tumors usually have an indolent course, their association with chylous ascites is a harbinger of a poor outcome. ...
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Journal articleAnn Surg · October 2000
OBJECTIVE: To describe a large series of patients with carcinoid tumors in terms of presenting symptoms, hormonal data, stage at diagnosis, pathologic features, and survival. SUMMARY BACKGROUND DATA: Published series have described significant prognostic f ...
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Journal articleSurgery · December 1999
BACKGROUND: Gastrointestinal foregut carcinoids make up a small percentage (3% to 6%) of all reported carcinoids. Because these tumors are so uncommon, comparisons between the subtypes have been difficult. The goal of this study was to compare the hormonal ...
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Journal articleSurgery · December 1998
BACKGROUND: Carcinoids are rare neuroendocrine tumors typically arising in the gastrointestinal tract. A significant percentage of these tumors present as metastatic disease of unknown primary site. The aim of this study was to better define the functional ...
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Journal articleJ Nucl Med · April 1998
Metastatic tumor is one of several etiologies of space-occupying masses in the orbit that accounts for 1%-13% of all orbital masses (1). In the adult patient population, breast cancer is the most common tumor to metastasize to the orbit followed by metasta ...
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Journal articleAm J Gastroenterol · November 1996
A 30-yr-old female with a carcinoid tumor of the ampulla of Vater is discussed. This rare tumor presented in an unusual fashion with isolated pancreatitis in the absence of cholestasis. The correct diagnosis was made preoperatively by endoscopic retrograde ...
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Journal articleCirculation · August 15, 1995
BACKGROUND: Although serotonin has been postulated as an etiologic agent in the development of carcinoid heart disease, no direct evidence for different ambient serotonin levels in cardiac and noncardiac patients has been reported to date. METHODS AND RESU ...
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Journal articleAm J Cardiol · March 1, 1995
The cardiac valvular surgical experience of patients in the Duke Carcinoid Database was reviewed to assess operative outcome. Of the 604 patients in the database, 19 patients with carcinoid heart disease were identified by cardiac catheterization or echoca ...
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Journal articleVeterinary Radiology Ultrasound · January 1, 1993
A 13‐year‐old neutered female Yorkshire terrier presented with a history of progressive episodic weakness and disorientation of 4 months duration. Physical and neurologic examinations were normal at presentation. Abdominal ultrasound revealed a mass involv ...
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Journal articleAnn Thorac Surg · July 1992
From 1970 until 1990, 8,958 cases of primary carcinoma of the lung were diagnosed at the Duke University Medical Center. During the same period, 126 patients (mean age, 53 +/- 13 years) were diagnosed with bronchial carcinoid. The overall survival was 78% ...
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Journal articleArch Intern Med · July 1991
Detection of abnormal catecholamine levels and localization of tumor mass are important factors in the diagnosis and treatment of pheochromocytoma. Iodine 131-labeled metaiodobenzylguanidine scintigraphy was performed in 64 patients with suspected pheochro ...
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Journal articleRadiology · September 1989
Eighty-two patients with pathologically proved carcinoid tumors were examined with iodine-131 metaio-dobenzylguanidine (MIBG) scintigraphy. Localization scores of I-131 MIBG accumulation in the primary tumor or metastatic site ranged from 0 to 3+ on the ba ...
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Journal articleJ Surg Oncol · May 1989
In four of the 37 patients operated on for a pheochromocytoma in the last 12 years at Duke Medical Center, the tumor was unsuspected. The first of the four patients had stable blood pressure and pulse during the operative and postoperative period. Although ...
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Journal articleCardiovasc Intervent Radiol · 1989
Mesenteric ischemia associated with carcinoid tumors often presents with nonspecific abdominal pain and is usually due to mesenteric branch artery occlusion caused by elastic vascular sclerosis. Mesenteric ischemia was defined by the operative findings of ...
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Journal articleAm J Med Sci · October 1988
Three cases of chylous ascites are reported in a series of 275 patients with carcinoid tumor. All three patients had diarrhea and elevated serotonin production. The literature is reviewed and the possible causes of the chylous ascites are discussed. It is ...
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Journal articleBehav Brain Res · July 1988
Obese-hyperglycemic mice (genotype ob/ob) have higher levels of hypothalamic norepinephrine than their normal-weight litter mates. Brain, as well as some other tissues, contains two types of monoamine oxidase (MAO). In this study we evaluated the effect of ...
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Journal articleJ Surg Oncol · April 1988
Bronchial adenomas have been classified into three types: carcinoid tumors, cylindromas (adenoid cystic carcinomas), and mucoepidermoid tumors. Studies from our laboratory have demonstrated that the quantitative measurement of monoamine oxidase (MAO) in ho ...
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Journal articleHorm Res · 1988
There is some controversy concerning a possible effect of diabetes mellitus on the sympathetic nervous system in humans with spontaneous diabetes mellitus and in animals with experimental diabetes mellitus. In this study we compared the tissue norepinephri ...
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Journal articleClin Geriatr Med · November 1987
This article reviews the clinical manifestations, diagnostic techniques, and therapy of carcinoid and other metabolically active tumors that occur in the elderly. These tumors secrete monoamine and polypeptide hormones into the vascular compartment. Becaus ...
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Journal articleJ Clin Pharmacol · April 1987
Five patients with essential hypertension who were receiving treatment with the beta- and alpha-adrenoreceptor-blocking drug labetalol had elevated urinary excretion of catecholamines. When measured with a radioenzymatic assay, all five subjects had elevat ...
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Journal articleMetabolism · May 1984
The pheochromocytoma-scanning agent 131I-meta-iodobenzylguanadine (131I-MIBG) was concentrated in the platelets of ten subjects undergoing scans for suspected pheochromocytomas. In vitro studies also demonstrated that 131I-MIBG was concentrated in platelet ...
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Journal articleClin Chim Acta · February 5, 1981
Platelet serotonin, dopamine and norepinephrine concentrations were determined with sensitive and specific radioenzymatic methods in normal volunteers and in sick subjects with both normal and increased serotonin production. In the assays, a 3H-labeled met ...
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