Cost-effective initial assessment strategies for thyroid nodules in iodine-adequate areas.

abstract：OBJECTIVES:We compared the diagnostic value of fluorine-18-fluorodeoxyglucose positron emission tomography (FDG-PET) with that of computed tomography (CT) following radiofrequency ablation (RFA) of inoperable recurrent or metastatic cancers in the lung. METHODS:Twelve patients (9 males and 3 females; 5 had recurrent l...

journal_title：Annals of nuclear medicine

authors： Okuma T,Okamura T,Matsuoka T,Yamamoto A,Oyama Y,Toyoshima M,Koyama K,Inoue K,Nakamura K,Inoue Y

更新日期：2006-02-01 00:00:00

abstract：OBJECTIVE:The main aim of this work is to build a robust Convolutional Neural Network (CNN) algorithm that efficiently and quickly classifies bone scintigraphy images, by determining the presence or absence of prostate cancer metastasis. METHODS:CNN, widely applied in medical image classification, was used for bone sc...

journal_title：Annals of nuclear medicine

authors： Papandrianos N,Papageorgiou EI,Anagnostis A

更新日期：2020-11-01 00:00:00

abstract：:A case of calcifying soft tissue malignant fibrous histiocytoma (MFH) which showed a concentration of Tc-99m MDP and Ga-67 citrate, is presented. Tc-99m MDP and Ga-67 citrate scintigraphies of the thigh mass were correlated with conventional radiography, computed tomography (CT) and angiography. ...

journal_title：Annals of nuclear medicine

authors： Kida T,Hoshi K,Hoshino R,Fujita Y,Munakata S,Yanagisawa M

更新日期：1993-02-01 00:00:00

abstract：:The increasing life expectancy in our society results in a continuously growing number of patients suffering from neurodegenerative disorders, particularly Alzheimer's disease (AD). Apart from the deleterious consequences for patients and their relatives, this issue has also alarming effects on our social systems. The...

journal_title：Annals of nuclear medicine

authors： Drzezga A

更新日期：2010-02-01 00:00:00

abstract：OBJECTIVE:This study aims to clarify the effect of renal function on 2-[(18)F] fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET) imaging and determine the clinical significance of renal function in this setting. We compared FDG distribution between normal volunteers and patients with suspected renal failu...

journal_title：Annals of nuclear medicine

authors： Minamimoto R,Takahashi N,Inoue T

更新日期：2007-06-01 00:00:00

abstract：OBJECTIVE:We performed a bibliometric analysis of scientific publications focused on positron emission tomography (PET) over a 10-year period. METHODS:The MEDLINE and ISI Web of Knowledge databases were searched for English language original articles focused on PET in SCI/SCIE-indexed journals in 2002, 2007, and 2012....

journal_title：Annals of nuclear medicine

authors： Baek S,Yoon DY,Min KJ,Lim KJ,Seo YL,Yun EJ

更新日期：2014-06-01 00:00:00

abstract：OBJECTIVE:In a diagnostic context, determination of absorbed dose is required before the introduction of a new radiopharmaceutical to the market to obtain marketing authorization from the relevant agencies. In this work, the absorbed dose of [67 Ga]-ethylenecysteamine cysteine [(67 Ga)ECC] to human organs was determine...

journal_title：Annals of nuclear medicine

authors： Shanehsazzadeh S,Yousefnia H,Lahooti A,Zolghadri S,Jalilian AR,Afarideh H

更新日期：2015-02-01 00:00:00

abstract：:Eight patients were inadvertently administered, and imaged with, 99mTc-labeled MDP which was 45 months expired. Two cases are presented. All patients were subsequently imaged with normal MDP. The images obtained with expired MDP were clinically acceptable. No differences in scan abnormalities were observed compared wi...

journal_title：Annals of nuclear medicine

authors： Riveros EG

更新日期：1999-10-01 00:00:00

abstract：OBJECTIVE:Praseodymium-142 [T 1/2 = 19.12 h, [Formula: see text] = 2.162 MeV (96.3%), Eγ = 1575 keV (3.7%)] is one of the (141)Pr radioisotopes. Many studies have been attempted to assess the significance of usage (142)Pr in radionuclide therapy. In many studies, the dosimetric parameters of (142)Pr sources were calcul...

journal_title：Annals of nuclear medicine

authors： Bakht MK,Jabal-Ameli H,Ahmadi SJ,Sadeghi M,Sadjadi S,Tenreiro C

更新日期：2012-06-01 00:00:00

abstract：:Filtered back projection (FBP) method, maximum likelihood-expectation maximization(ML-EM) method, and ordered subsets-expectation maximization (OS-EM) method are currently used for reconstruction of SPECT images in clinical studies. In the ML-EM method, images of good quality can be reconstructed even with a small sam...

journal_title：Annals of nuclear medicine

authors： Takahashi Y,Murase K,Mochizuki T,Higashino H,Sugawara Y,Kinda A

更新日期：2003-10-01 00:00:00

abstract：OBJECTIVE:Primary brain lymphoma is an aggressive extranodal non-Hodgkin lymphoma with poor prognosis. Many possible prognostic factors are investigated with controversial results, but possible prognostic role of 18fluorine-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) features re...

journal_title：Annals of nuclear medicine

authors： Albano D,Bertoli M,Battistotti M,Rodella C,Statuto M,Giubbini R,Bertagna F

更新日期：2018-10-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to investigate the effects of computed tomography (CT) artifacts caused by dental metal prostheses on positron emission tomography (PET) images. METHODS:A dental arch cast was fixed in a cylindrical water-bath phantom. A spherical phantom positioned in the vicinity of the dent...

journal_title：Annals of nuclear medicine

authors： Shimamoto H,Kakimoto N,Fujino K,Hamada S,Shimosegawa E,Murakami S,Furukawa S,Hatazawa J

更新日期：2009-07-01 00:00:00

abstract：:Reinjection images were obtained in 23 patients with myocardial infarction by the additional injection of 37 MBq of thallium-201 after obtaining 4 hour delayed images on exercise thallium-201 SPECT (TSPECT). A redistribution index (RI) was derived of the changes in perfusion defects between immediate and 4 hour delaye...

journal_title：Annals of nuclear medicine

authors： Tomiguchi S,Takahashi M,Shimomura O,Kojima A,Hara M,Koga Y,Minoda K,Yasue H,Hayasaki K

更新日期：1991-11-01 00:00:00

abstract：OBJECTIVE:Attenuation correction (AC) on nuclear images of non-uniform domains is generally performed by a change of the computed tomography (CT) values to μ values, which are then inserted as components into the detection probability of iterative reconstruction techniques (OS-EM Iterative AC). We established an AC tec...

journal_title：Annals of nuclear medicine

authors： Nakamura Y,Tomiguchi S

更新日期：2015-06-01 00:00:00

abstract：:We present a case of inferior vena cava (IVC) tumor thrombus detected by fluorine- 18 fluorodeoxyglucose positron emission tomography (18F-FDG-PET). A man underwent operations for the treatment of sigmoid colon cancer at the age of 63. Because tumor markers [carcinoembryonic antigen (CEA) and CA19-9] were increased at...

journal_title：Annals of nuclear medicine

authors： Kaida H,Ishibashi M,Kurata S,Uchida M,Hayabuchi N

更新日期：2007-06-01 00:00:00

abstract：OBJECTIVE:The variability of physiologic 18F-FDG uptake in the myocardium has hampered the accurate evaluation of cardiac glucose metabolism. We investigated the effects of multiple factors, including fasting duration and physical activity, on the physiologic uptake of 18F-FDG by the myocardium in healthy participants....

journal_title：Annals of nuclear medicine

authors： Kang JY,Lee MY,Kim YH

更新日期：2021-01-02 00:00:00

abstract：:Metastatic tumors or secondary lymphoma of the kidney are rare and can often be missed on conventional computed tomography (CT) imaging. On the other hand, many types of metastatic tumor or lymphoma can be detected clearly as hotspots of elevated uptake on FDG PET. However, excreted FDG present in the urinary tract mi...

journal_title：Annals of nuclear medicine

authors： Kaneta T,Hakamatsuka T,Yamada T,Takase K,Sato A,Higano S,Kinomura S,Fukuda H,Takahashi S,Yamada S

更新日期：2006-01-01 00:00:00

abstract：PURPOSE:An artificial neural network (ANN) has been applied to detect myocardial perfusion defects and ischemia. The present study compares the diagnostic accuracy of a more recent ANN version (1.1) with the initial version 1.0. METHODS:We examined 106 patients (age, 77 ± 10 years) with coronary angiographic findings,...

journal_title：Annals of nuclear medicine

authors： Nakajima K,Okuda K,Watanabe S,Matsuo S,Kinuya S,Toth K,Edenbrandt L

更新日期：2018-06-01 00:00:00

abstract：:Whole body imaging with radioiodine can detect functioning metastases, which can often be effectively treated with appropriate amounts of radioiodine. Non-physiologic I-131 uptake detected on images is usually interpreted as suggesting functioning thyroid metastases. However, extra-thyroidal I-131 accumulation does no...

journal_title：Annals of nuclear medicine

authors： Ozguven M,Ilgan S,Arslan N,Karacalioglu AO,Yuksel D,Dundar S

更新日期：2004-05-01 00:00:00

abstract：UNLABELLED:In the management of rectal cancer after the combined therapy of the radiation and surgical operation, the evaluation of the prognosis is important. Although fluoro- 18-deoxyglucose positron emission tomography (FDG-PET) is considered as a useful tool for evaluation of therapeutic effect of this cancer as we...

journal_title：Annals of nuclear medicine

authors： Oku S,Nakagawa K,Momose T,Kumakura Y,Abe A,Watanabe T,Ohtomo K

更新日期：2002-09-01 00:00:00

abstract：:We studied various liver tumors by positron emission tomography with fluorine-18 fluorodeoxyglucose (FDG-PET) to examine the diagnostic usefulness of this technique. We also examined the relation between findings on FDG-PET and the characteristics of hepatocellular carcinoma. FDG-PET was performed in 78 patients with ...

journal_title：Annals of nuclear medicine

authors： Iwata Y,Shiomi S,Sasaki N,Jomura H,Nishiguchi S,Seki S,Kawabe J,Ochi H

更新日期：2000-04-01 00:00:00

abstract：OBJECTIVES:Although dual-energy (DE) acquisition with conventional 201Tl myocardial perfusion SPECT has several advantages such as improved attenuation of the inferior wall and increased acquisition counts, the characteristics of IQ-SPECT have not been fully evaluated. We evaluate the difference of characteristics betw...

journal_title：Annals of nuclear medicine

authors： Shibutani T,Onoguchi M,Yoneyama H,Konishi T,Matsuo S,Nakajima K,Kinuya S

更新日期：2017-08-01 00:00:00

abstract：:The aim of this study was to evaluate the washout rate of Tc-99m tetrofosmin in asymmetric septal hypertrophy (ASH). As Tc-99m tetrofosmin accumulation and retention depend on sarcolemmal and/or mitochondrial function, the presence or absence of abnormalities in the washout rate of Tc-99m tetrofosmin could provide inf...

journal_title：Annals of nuclear medicine

authors： Büyükdereli G,Kanadasi M,Kibar M

更新日期：2005-02-01 00:00:00

abstract：:We investigated the uptake and washout of I-123-metaiodobenzylguanidine (MIBG) in neuronal (both intra- and extravesicular) and non-neuronal sites in the heart and its relationship to renal clearance. Acute renal failure was induced in rats by ligating the renal vessels, and the findings were compared with those of sh...

journal_title：Annals of nuclear medicine

authors： Arbab AS,Koizumi K,Araki T

更新日期：1996-05-01 00:00:00

abstract：PURPOSE:The aim of this study was to elucidate the regional differences between brain perfusion single photon emission computed tomography (SPECT) images reconstructed with a uniform attenuation correction using Chang's method (AC-Chang) and a non-uniform attenuation correction with CT using SPECT/CT (AC-CT). METHODS:...

journal_title：Annals of nuclear medicine

authors： Ishii K,Hanaoka K,Okada M,Kumano S,Komeya Y,Tsuchiya N,Hosono M,Murakami T

更新日期：2012-04-01 00:00:00

abstract：OBJECTIVE:To design, build, and evaluate an animal PET scanner, which can be used with non-human primates under conscious condition, incorporating flat-panel position-sensitive photomultiplier tubes (PS-PMTs). METHODS:The system contains 30 detector modules, each having two PS-PMTs and 16×18 lutetium–yttrium oxyortho-...

journal_title：Annals of nuclear medicine

authors： Okamoto T,Ote K,Sakai K,Noda A,Shimizu K,Masuda K,Ohmura T,Watanabe M

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Exact localization of recurrent iodine-negative thyroid cancer is mandatory, since surgery is the only curative therapy option in patients with iodine-negative tumor tissue. The aim of this study was to evaluate the impact of (18)F-FDG-PET/CT as a routine diagnostic tool on clinical management in patients wi...

journal_title：Annals of nuclear medicine

authors： Bannas P,Derlin T,Groth M,Apostolova I,Adam G,Mester J,Klutmann S

更新日期：2012-01-01 00:00:00

abstract：OBJECTIVE:The objective of this study is to assess the value of CT and bone scintigraphic findings for grading of rib chondrosarcoma. METHODS:Included in this study were six cases of histologically proven chondrosarcoma of the rib, in which bone scintigraphy and/or CT was performed. Correlation of histologic grade (I-...

journal_title：Annals of nuclear medicine

authors： Ehara S,Nakayama T,Nishida J,Shiraishi H,Yoshioka H,Aoki J

更新日期：2004-10-01 00:00:00

abstract：:Evaluation of viral myocarditis is essential for the clinician to assess the prognosis. In this study, Tl-201 myocardial scintigraphy and Tc-99m gated cardiac blood pool scan were performed in 16 patients with myocarditis diagnosed by clinical symptoms and laboratory findings and these nuclear medicine techniques were...

journal_title：Annals of nuclear medicine

authors： Kawamura Y,Morishita T,Yamazaki J,Okuzumi I,Wakakura M,Muto T,Saji T,Matsuura H,Matsuo N,Yabe Y

更新日期：1990-07-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to investigate the lesion detectability of a gamma camera based coincidence detector system (c-PET system) in comparison to the dedicated PET system (d-PET system), and thereby clarify the feasibility of the clinical application of this system and also describe any factors influencin...

journal_title：Annals of nuclear medicine

authors： Koga H,Sasaki M,Kuwabara Y,Nakagawa M,Hayashi K,Kaneko K,Chen T,Honda H

更新日期：2004-04-01 00:00:00