منابع مشابه
Pitfalls in neuroendocrine tumor diagnosis
Carcinoids, originating from cells of the diffuse endocrine system (DES), account for 0.7% of all malignancies and are characterized by a slow growth rate and the presence of nonspecific signs and symptoms often making their detection rather difficult. Gastroente ropancreatic neuroendocrine tumors (GEP-NETs) represent the majority (~70%) of DES tumors. Historically they account for about 2% of ...
متن کاملBiochemical diagnosis of neuroendocrine GEP tumor.
Neuroendocrine gut and pancreatic tumors are known to contain and secret different peptide hormones and amines. During the last two decades, many radioimmunoassays and Elizas have been developed to analyze these substances in blood and urine, which has enabled clinicians to improve the diagnosis and monitoring of patients with various neuroendocrine tumors. Due to cost constraints in medical ca...
متن کاملSomatostatin Receptors in the Diagnosis and Therapy of Neuroendocrine Tumor.
The expression of somatostatin receptors in neuroendocrine tumors has facilitated the diagnosis and surgical treatment of patients with these tumors. After injection of a radiolabeled long-acting somatostatin analog, (111)In-octreotide, scintigraphic tumor imaging can ben performed as well as intraoperative tumor localization. During localization studies very high (111)In concentration values w...
متن کاملNEUROENDOCRINE CLINICAL CENTER BULLETIN Thyrotropin-secreting Pituitary Adenomas: Pitfalls in Diagnosis and Management
(SHBG): 73 nmol/l (normal, 13 to 71). His serum testosterone and the cortisol response on cosyntropin stimulation testing were normal. A presumptive diagnosis of a thyrotropin and growth hormone co-secreting pituitary adenoma was made. Octreotide LAR therapy was advised preoperatively to control thyroid hormone excess. He underwent transsphenoidal resection of the sellar mass, which was consist...
متن کاملNANETS consensus guidelines for the diagnosis of neuroendocrine tumor.
Neuroendocrine tumors (NETs) are rare, slow-growing neoplasms characterized by their ability to store and secrete different peptides and neuroamines. Some of these substances cause specific clinical syndromes, whereas other may have elevated plasma or urine levels that are not associated with specific syndromes or symptom complexes Unfortunately, there is no Bideal neuroendocrine tumor marker,[...
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ژورنال
عنوان ژورنال: Rare Tumors
سال: 2009
ISSN: 2036-3613,2036-3613
DOI: 10.4081/rt.2009.e32