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Hellenic Journal of Nuclear Medicine

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https://www.readbyqxmd.com/read/29177267/primary-and-secondary-hyperparathyroidism-among-vitamin-d-deficient-hashimoto-s-thyroiditis-patients-and-the-need-for-a-parathyroid-scan
#1
LETTER
Elias Mazokopakis, Maria Papadomanolaki, Spyridon-Nikitas N Skarakis, Konstantinos Tsekouras
The patients with Hashimoto thyroiditis must be investigated mainly for secondary hyperparathyroidism due to vitamin D deficiency/insufficiency. Parathyroid scintigraphy has no place in the diagnosis of primary, secondary or tertiary hyperparathyroidism or in the decision for surgical treatment. Parathyroid scintigraphy is a useful preoperative technique for the localization of the pathological parathyroid glands.
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177266/atypical-epstein-barr-virus-associated-hemophagocytic-lymphohistiocytosis-simulating-lymphadenitis-on-18f-fdg-pet-ct-and-its-differential-diagnosis
#2
Jing Lu, Qingquan Fang, Chao Ma, Fu Su, Guoqiang Chen, Meiling Huang, Weixing Wang, Xinhui Su
Diagnosis of Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis (EBV-HLH) is challenging as its clinical presentation is atypical. Here we present a case of atypical EBV-HLH simulating lymphadenitis on fluorrine-18-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT), with a view to consider this kind of EBV-HLH as a possible differential diagnosis in lymphadenitis. A 68 years old male who had episodic fever accompanied by weight loss and weakness for two weeks was studied...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177265/metastatic-melanoma-response-to-combination-therapy-with-ipilimumab-and-vemurafenib
#3
Christos Sachpekidis, Jessica C Hassel, Antonia Dimitrakopoulou-Strauss
Combination therapies for the treatment of metastatic melanoma are a matter of debate nowadays. We report on a stage IV metastatic melanoma patient with the BRAF V600 mutation and a large tumor burden initially treated with two cycles of ipilimumab. Due to dramatic disease progression, demonstrated on interim 18F-FDG PET/CT, vemurafenib was added in the patient's therapeutical scheme. After completion of the concurrent ipilimumab and vemurafenib administration, a third 18F-FDG PET/CT showed an impressive metabolic remission of the metastatic disease, reflecting the potential role of the modality in treatment response evaluation of melanoma patients receiving combination therapies...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177264/results-of-performing-or-not-cardiac-resynchronization-therapy-for-live-assessment-of-lv-function-and-mechanical-systole-synchrony-using-gated-myocardial-perfusion-imaging-and-real-time-three-dimensional-echocardiography-seven-months-follow-up
#4
Ling Yang, Jianfeng Wang, Yuetao Wang, Xiaoying Zhang
We studied a 50 years old male patient who underwent cardiac resynchronization therapy on and off (CRT-on and CRT-off) for assessment of left ventricular (LV) function and mechanical systole synchrony using gated myocardial perfusion imaging (gMPI) and real-time three-dimensional echocardiography (RT3DE). The patient was reexamined after seven months. The comparison of these two modalities showed consistent results on assessing both the CRT-on and CRT-off conditions. This result may indicate that an immediate synchronization parameter change during CRT-on may be valuable for predicting response to CRT surgery...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177263/primary-radiation-dosimetry-of-a-novel-pet-radiopharmaceutical-68ga-nodaga-glycine-in-comparison-with-99mtc-dtpa-in-renal-studies
#5
Mohsen Cheki, Hariprasad Gali
OBJECTIVE: In this study, we tried to estimate human absorbed dose of 68Ga-NODAGA-glycine as a new potential positron emission tomography (PET) renal agent based on the biodistribution data reported in healthy rats, and compare our estimation with the available absorbed dose data from technetium-99m-diethylenetriaminepentaacetic acid (99mTc-DTPA). SUBJECTS AND METHODS: The medical internal radiation dose (MIRD) formulation was applied to extrapolate from rats to human and to project the absorbed radiation dose for various organs in humans...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177261/performance-and-safety-profile-of-regadenoson-myocardial-perfusion-imaging-first-experience-in-greece
#6
John Koutsikos, George Angelidis, Athanasios Zafeirakis, Ioannis Mamarelis, Merkourios Vogiatzis, Eliverta Ilia, Kyriakos Lazaridis, Nikolaos Demakopoulos
OBJECTIVE: MPI can provide valuable information in the investigation of patients with known or suspected coronary artery disease. The stress component of the studies can be conducted with regadenoson, which was approved for clinical use in Greece in 2016. We investigated the performance and safety profile of regadenoson MPI based on our 7 months institutional experience. PATIENTS AND METHODS: We studied 96 consecutive patients (59 males, 37 females, mean age 70...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177260/radioiodine-associated-de-novo-graves-opthalmopathy-in-an-asian-cohort
#7
Wei Lin Tay, Aaron Kian Ti Tong, Kei Yiu Douglas Hui, Yu Lin Charlene Tang, Chiaw Ling Chng
Radioactive iodine in the treatment of Graves' disease has been associated with the development of de novo Graves' ophthalmopathy (GO). In this report, we describe five individuals who required extensive ophthalmic treatment for post-RAI de novo GO.
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177259/the-influence-of-adipose-tissue-volume-can-significantly-affect-the-metabolic-activity-of-reference-organs-in-18f-fdg-pet-ct-studies-of-a-normal-healthy-population
#8
Ik Dong Yoo, Sang Mi Lee, Jeong Won Lee, Jung Eun Oh, Yong Jin Cho, Hwang Sik Shin
OBJECTIVE: This study investigated whether fluorine-18-fluorodeoxyglucose (18F-FDG) uptake of reference organs can be affected by subjects' factors in positron emission tomography/computed tomography (PET/CT) in a healthy population. SUBJECTS AND METHODS: A total of 208 normal healthy subjects without diabetes or dyslipidemia were included. Adipose tissue volume was measured by CT images from a dedicated PET/CT scan. Uptake of 18F-FDG of reference organs was measured from liver, blood pool, and muscle, and was normalized by lean body anthropometric data and adipose tissue volume...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177258/is-18f-fdg-pet-ct-a-valuable-diagnostic-tool-for-verifying-accelerated-atherosclerosis-secondary-to-diabetes-mellitus-on-insulin-in-the-aortic-segments-and-large-arteries
#9
Gonca G Bural, Drew A Torigian, Mohamed Houseni, Kaan M Sözmen, Abass Alavi
OBJECTIVE: Fluorine-18 fluorodeoxylglucose positron emission tomography/computed tomography (18F-FDG PET/CT) has a well-established role for detection and quantification of atherosclerotic inflammatory disease using standardized uptake value (SUV) measurements. Our aim was to compare the inflammatory and macroscopic calcification processes of atherosclerosis in the aortic segments and large arteries of subjects with insulin dependent diametes mellitus (IDDM) compared to those of age-matched controls via 18F-FDG PET/CT...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177257/assessment-of-segmental-left-ventricular-thickening-in-diabetic-type-ii-obese-patients-with-normal-myocardial-perfusion-scan
#10
Hanna K Al-Makhamreh, Abedallatif A AlSharif, Mousa A Abujbara, Akram N Al-Ibraheem, Omar S Obeidat, Yazan I AlKawaleet, Aya Darawsheh, Mohammad I Liswi, Kamel M Ajlouni
OBJECTIVE: The aim of this study is to investigate whether gated single photo emission tomography (gSPET) can be used to detect subclinical left ventricular systolic dysfunction (LVSD) in obese diabetic type II patients. SUBJECTS AND METHODS: We retrospectively reviewed gSPET images of 190 patients with diabetes mellitus type II (DM II) (137 females and 53 males) with normal myocardial perfusion and normal ejection fraction (EF). Standardized twenty segment polar maps of thickening and motion were generated...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177256/errors-in-the-absorbed-and-the-administered-131i-therapeutic-dose-in-patients-with-graves-disease-a-suggested-more-precise-technique
#11
Yangchun Chen, Jincheng Huang, Yuehui Wang, Sipei Xie, Fang He
OBJECTIVE: The aim of this study was to evaluate the relative error (RE) in the thyroid absorbed dose (TD) of iodine-131 (131I) in patients with Graves' disease comparing the simplified Quimby-Marinelli-Hine formula method (sQMHF) and the Standard Operational Procedures for dosimetry (SOPD) recommended by the European Association of Nuclear Medicine. PATIENTS AND METHODS: This study included 45 patients with Graves' disease 12 men and 33 women; age 44.1±12.8 years...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324936/the-impact-of-lung-perfusion-scintigraphy-in-the-emergency-management-of-patients-with-suspected-pulmonary-embolism
#12
Cristina Ferrari, Alessandra Cimino, Giacomo Bianco, Francesca Iuele, Alessandra Di Palo, Margherita Fanelli, Artor Niccoli-Asabella, Giuseppe Rubini
OBJECTIVE: Pulmonary Embolism (PE) is an emergency condition that requires immediate treatment. As the symptoms and the risk factors are nonspecific, PE differential diagnosis is often required. Even if angio-CT is considered the gold standard for PE diagnosis, the frequent allergic condition and/or chronic renal failure of patients make, in most cases, not possible the use of contrast enhancement in emergency with even more increasing use of Lung Perfusion Scintigraphy (LPS), as a simple and fast examination with no preparation/contraindication...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324935/right-putamen-and-age-are-the-most-discriminant-features-to-diagnose-parkinson-s-disease-by-using-123i-fp-cit-brain-spet-data-by-using-an-artificial-neural-network-classifier-a-classification-tree-clt
#13
S Cascianelli, C Tranfaglia, M L Fravolini, F Bianconi, M Minestrini, S Nuvoli, N Tambasco, M E Dottorini, B Palumbo
OBJECTIVE: The differential diagnosis of Parkinson's disease (PD) and other conditions, such as essential tremor and drug-induced parkinsonian syndrome or normal aging brain, represents a diagnostic challenge. 123I-FP-CIT brain SPET is able to contribute to the differential diagnosis. Semiquantitative analysis of radiopharmaceutical uptake in basal ganglia (caudate nuclei and putamina) is very useful to support the diagnostic process. An artificial neural network classifier using 123I-FP-CIT brain SPET data, a classification tree (CIT), was applied...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324934/stem-cells-therapy-the-future-in-the-management-of-systemic-sclerosis-a-case-report
#14
Jung In Song, Silvanie Volz, Maria Eirini Liodaki, Peter Mailänder, Konstantinos Kalousis
OBJECTIVE: Systemic sclerosis (SSc) is a connective tissue disorder of unknown etiology, with heterogeneous clinical manifestations and chronic and often progressive course. The diffuse cutaneous form of SSc (dcSSc) is characterized by thickening of the skin (scleroderma) and distinctive involvement of multiple internal organs. Patients with limited cutaneous SSc (lcSSc) generally have long-standing Raynaud's phenomenon before other manifestations of SSc appear. Over the last decade the Interest of adipose-derived cell therapy in regenerative medicine has increased continuously...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324933/brachytherapy-in-soft-tissue-tumours-an-interdisciplinary-challenge
#15
Silvanie Volz, Konstantinos Kalousis, Jung In Song, Tobias Kisch, Eike Wenzel, Peter Mailänder
OBJECTIVE: Interdisciplinary work including surgery and additive radiotherapy is often needed for the therapy of tumours. Beneath this, brachytherapy is an important part of the radiotherapy. It was first used over 100 years ago and is in regular use after the development of afterload technology in the early 1970s. Today it is often used in different tumour therapies, for example in soft tissue sarcoma or breast tumours, in order to decrease the risk of local recurrence. Concerning its benefits, higher doses could be used because of the localized effect with equivalent local control rate and less toxicity of treatment...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324932/the-neurophysiological-and-evolutionary-considerations-of-close-combat-a-modular-approach
#16
Kostas Dervenis, Evangelos Tsialogiannis
Close Combat may be identified as a physical confrontation involving armed or unarmed fighting, lethal and/or non-lethal methods, or even simply escape from and/or de-escalation of the confrontation. Our model hypothesizes that distinct areas of the brain are utilized for specific levels of violence, based on evolutionary criteria, and that these levels of violence bring into effect distinct physiological criteria and kinesiology. This model is outlined similar to Paul D. MacLean's triune brain theory, but incorporates distinct processes inherent to the autonomic nervous system (i...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324931/vitrectomy-with-fibrovascular-membrane-delamination-for-proliferative-diabetic-retinopathy-with-or-without-preoperative-avastin
#17
M Vasalaki, E Papavasileiou, C Garnavou-Xirou, S Velissaris, V Zygoura, D McHugh, T L Jackson
OBJECTIVE: To describe and compare 1. The changes in intraretinal microstructure using serial spectral domain optical coherence tomography (SD-OCT) preceding and following pars plana vitrectomy and delamination of fibrovascular membranes and 2. Intraoperative and postoperative complications in patients with proliferative diabetic retinopathy (PDR) who had preoperative Avastin (group A) or not (group B). SUBJECTS AND METHOD: This retrospective, interventional case series includes 113 eyes...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324930/characteristics-socioeconomic-status-and-ethnic-variations-of-primary-idiopathic-macular-hole-repair-in-vitreoretinal-centers-in-the-united-kingdom
#18
M Vasalaki, E Papavasileiou, S Velissaris, C Garnavou-Xirou, V Zygoura, O Theodorou, R Zakir, G Duguid, T Sandinha, D Steel, T L Jackson
OBJECTIVE: The purpose of this multicentre retrospective study was to investigate the characteristics and role of ethnicity and socioeconomic status amongst patients with idiopathic macular holes (IMH) and the surgical outcome. SUBJECTS AND METHOD: Consecutive patients undergoing primary IMH surgery at three vitreoretinal units in the UK (King's College Hospital, London, UK, Western Eye Hospital, London, UK, Sunderland Eye Infirmary, Sunderland, UK) between January 2007 and May 2017 were included...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324929/our-solution-for-fusion-of-simultaneusly-acquired-whole-body-scintigrams-and-optical-images-as-usesful-tool-in-clinical-practice-in-patients-with-differentiated-thyroid-carcinomas-after-radioiodine-therapy-a-useful-tool-in-clinical-practice
#19
Milovan Matovic, Milica Jankovic, Marko Barjaktarovic, Marija Jeremic
OBJECTIVE: After radioiodine therapy of differentiated thyroid cancer (DTC) patients, whole body scintigraphy (WBS) is standard procedure before releasing the patient from the hospital. A common problem is the precise localization of regions where the iod-avide tissue is located. Sometimes is practically impossible to perform precise topographic localization of such regions. METHOD: In order to face this problem, we have developed a low-cost Vision-Fusion system for web-camera image acquisition simultaneously with routine scintigraphic whole body acquisition including the algorithm for fusion of images given from both cameras...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29324928/individual-kidney-depth-determination-is-mandatory-to-assess-split-renal-function-in-nephrography-irrespective-of-age
#20
Helmut Sinzinger, Lindsay Brammen
Nephrography having been introduced more than 60 years ago still now is one of the most frequently used and informative procedures in Nuclear Medicine. Although being considered a well standardized method, a worldwide study in 34 centers in 21 countries revealed that determination of split kidney function shows unacceptable high variation, particularly in patients with a relative kidney function below 30%. Furthermore, kidney depth usually is not considered. The calculation of kidney depth by various formulas available, each claiming to be more predictive, is different in races and does not allow individual information, which particularly in patients with a diseased kidney may become unreliable...
September 2017: Hellenic Journal of Nuclear Medicine
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