نتایج جستجو برای: 99mtc octreotide scintigraphy
تعداد نتایج: 15448 فیلتر نتایج به سال:
Detection of thymic tumors by (111In-DTPA0)octreotide scintigraphy and the antitumor effect exerted by somatostatin (SS) analogs suggest significant expression of SS receptors (SSRs) in these tumors. We measured SSR subtype (sst)2A and sst3 expression by immunohistochemistry (IHC) in 14 thymic tumors previously studied by SSR scintigraphy (SRS). Scintigraphy showed significant (111In-DTPA0)octr...
INTRODUCTION Paragangliomas (PGLs) related to hereditary syndromes are rare mediastinal tumors. Paragangliomas are caused by mutations in genes encoding subunits of succinate dehydrogenase enzyme (SDH). AIM To evaluate clinical, anatomical and functional characteristics of mediastinal paragangliomas related to SDHx gene mutations. MATERIAL AND METHODS Retrospective analysis of 75 patients w...
INTRODUCTION The diagnostic efficacy of somatostatin receptor scintigraphy labeling with 111 indium in the localization of tumors has been assessed in a limited number of patients with contradictory outcomes. Here, we describe the case of a patient with an ectopic adrenocorticotropic hormone-producing bronchial carcinoid tumor diagnosed preoperatively using technetium-99m-labeled octreotide ace...
111In-octreotide scintigraphy in patients with persistent medullary thyroid carcinoma (MTC) visualized tumors in about half of the surgically explored sites. Tumor visualization correlated with rapid tumor growth and large tumor volume as judged from calcitonin levels. The 111In concentration ratio between tumor (T) and blood (B) in surgically excised lymph node metastases of MTC showed a large...
PURPOSE: The suitability of 99mTc-diethylenetriaminepentaacetic acid (DTPA) and 99mTc-sulphur colloid (99mTc-SC) as tracers in gamma Scintigraphy for the evaluation of colon-specific drug delivery systems was assessed in healthy volunteers. METHOD: Sodium chloride core tablets containing either 99mTc-DTPA or 99mTcSC were prepared and compression coated with two different quantities of guar gum....
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