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Journal of Nuclear Medicine Technology

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https://www.readbyqxmd.com/read/28611234/complex-regional-pain-syndrome-diagnosed-with-three-phase-bone-scan
#1
Harleen Kaur, Mitchel A Muhleman, Helena R Balon
In this report, we present a case of complex regional pain syndrome in a 55-year-old female in whom the diagnosis was made based on the bone scan findings. We also discuss the typical and atypical scintigraphic presentations of this entity, including pathophysiology and management.
June 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28611233/splenic-uptake-on-bone-scan
#2
Harleen Kaur, Mitchel Muhleman, Helena R Balon
We present a patient with splenic uptake on bone scan that was due to sickle cell disease. We also discuss other etiologies for this finding.
June 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28611232/nuclear-imaging-in-a-cardiac-paraganglioma
#3
Nada H Almenieir, Shawn Karls, Vilma Derbekyan, Robert Lisbona
We report a case of a cardiac paraganglioma in the right atrioventricular groove, where the use of different nuclear medicine studies aided in the diagnosis and management.
June 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28611231/validation-of-the-left-ventricular-ejection-fraction-with-iq-spect-system-in-small-heart-patients
#4
Hiroto Yoneyama, Takayuki Shibutani, Takahiro Konishi, Asuka Mizutani, Hashimoto Ryosuke, Masahisa Onoguchi, Koichi Okuda, Shinro Matsuo, Kenichi Nakajima, Kinuya Seigo
The IQ-SPECT system equipped with a multifocal (SMARTZOOM) collimator using an ordered subset conjugate gradient minimization (OSCGM) algorithm reduces the acquisition time of myocardial perfusion imaging (MPI) compared to conventional gamma cameras equipped with low-energy high-resolution (LEHR) collimators. We compared IQ-SPECT with a conventional single-photon emission computed tomography (SPECT) system for estimating the left ventricular ejection fraction (LVEF) in small-heart patients. Methods: The study group consisted of 98 consecutive patients who underwent a 1-day stress-rest MPI study with a (99m)Tc-labeled agent for preoperative risk assessment...
June 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28473462/reliability-of-a-scoring-system-used-for-qualitative-evaluation-of-lymphoscintigraphic-imaging-of-lower-extremities
#5
Mojgan Ebrahim, Irina Savitcheva, Rimma Axelsson
Introduction: Lymphoscintigraphy is an imaging technique to diagnose and characterize the severity of edema in upper and lower extremities. In lymphoscintigraphy a scoring system can increase ability of diagnostic differentiation but the use of any scoring system requires sufficient reliability. AIM: To determine inter- and intraobserver reliability of a proposed scoring system used for visual interpretation of lymphoscintigraphic imaging of lower extremities. Materials and Methods: Lymphoscintigrams in 81 persons were randomly selected from our database for retrospective evaluation...
May 4, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28473460/corneal-dose-reduction-using-a-bismuth-coated-latex-shield-over-the-eyes-during-brain-spect-ct
#6
Norikazu Matsutomo, Masaaki Fukunaga, Onishi Hideo, Tomoaki Yamamoto
Objective: This study aimed to determine whether a bismuth-coated latex shield (B-shield) could protect the eyes during brain SPECT/CT. Methods: A B-shield containing the heavy metal bismuth (0.15 mm lead equivalent) was placed over a cylindrical phantom and the eyes of a three-dimensional brain phantom filled with Tc-99m solution. Subsequently, phantoms with and without the B-shield were compared using SPECT/CT. The CT parameters were 30-200 mA and 130 kV. The dose reduction achieved by the B shield was measured using a pencil-shaped ionization chamber...
May 4, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28408700/contamination-a-major-problem-in-nuclear-medicine-imaging-how-to-investigate-handle-and-avoid-it
#7
Narvesh Kumar, Shashwat Verma, Rani Kunti Randhir Singh, Deepanksha Datta, Subhash Chand Kheruka, Sanjay Gambhir
We submitted this study to describe the pattern of contamination of the collimator and motion artifact, and measures needed for its identification and confirmation, to emphasise the importance of detection of potential sources of false positive results associated with the nuclear scans. It is important for the nuclear medicine technologist and physicians to recognize the various patterns of sources of error associated in a specific study in order to avoid the unnecessary radiation exposure to the patients (according to the ALARA)...
April 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28408699/a-novel-cerium-141-based-flood-field-uniformity-phantom-assessment-of-its-suitability-to-perform-daily-uniformity-test-in-a-clinical-nuclear-medicine-department
#8
Ashish Kumar Jha, Sneha Mithun, Manoj H Chauhan, Nilendu C Purandare, Sneha Shah, Archi Agrawal, Sanjay Kumar Saxena, Ashutosh Dash, Venkatesh Rangarajan
Daily quality control of a gamma camera is of utmost importance to assess the suitability of the camera for clinical use. Aim of our study is to find out the relevance of indigenously developed (141)Ce -flood field phantom in daily quality control of gamma camera. Material & Method: Uniformity tests were performed by using (141)Ce-flood field phantom and commercially available (57)Co -flood field phantom, and results compared. Result: The average percentage integral uniformity obtained by (141)Ce -flood field phantom and (57)Co -flood field phantom were 3...
April 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28408698/reproducibility-of-lobar-perfusion-and-ventilation-quantification-using-a-spect-ct-segmentation-software-in-lung-cancer-patients
#9
Karine Provost, Antoine Leblond, Annie Gauthier Lemire, Edith Fillion, Houda Bahig, Martin Lord
Planar perfusion scintigraphy with Tc99m-labelled macroaggregated albumin (Tc99m-MAA) is often used for pre-therapy quantification of regional lung perfusion in lung cancer patients, particularly in patients with poor respiratory function. However, subdividing lung parenchyma in rectangular regions of interests, as done on planar images, is a poor reflection of true lobar anatomy. New tridimensional methods using SPECT and SPECT/CT have been introduced, including a semi-automatic lung segmentation software (Hermes Medical Solutions)...
April 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28576933/the-value-of-experience-lessons-learned-and-pearls-of-wisdom-gathered
#10
EDITORIAL
Norman E Bolus
No abstract text is available yet for this article.
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28576932/advancing-our-profession-in-exciting-and-challenging-times
#11
Sara G Johnson
No abstract text is available yet for this article.
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28576931/erratum
#12
(no author information available yet)
No abstract text is available yet for this article.
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28473461/nuclear-medicine-technologists-perception-and-current-assessment-of-quality-a-society-of-nuclear-medicine-and-molecular-imaging-technologist-section-survey
#13
REVIEW
April Mann, Mary Beth Farrell, Jessica Williams, Danny Basso
In 2015, the Society of Nuclear Medicine and Molecular Imaging Technologist Section (SNMMI-TS) launched a multiyear quality initiative to help prepare the technologist workforce for an evidence-based health-care delivery system that focuses on quality. To best implement the quality strategy, the SNMMI-TS first surveyed technologists to ascertain their perception of quality and current measurement of quality indicators. Methods: An internet survey was sent to 27,989 e-mail contacts. Questions related to demographic data, perceptions of quality, quality measurement, and opinions on the minimum level of education are discussed in this article...
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28408704/changes-in-patterns-of-99m-tc-macroaggregated-albumin-use-between-2000-and-2015
#14
James A Ponto
Since the early 2000s, the method of evaluating pulmonary embolism has shifted from (99m)Tc-macroaggregated albumin (MAA) perfusion lung scans to CT angiography. (99m)Tc-MAA continues to be applied for patients with contraindications to CT angiography and for other uses. A reduced number of (99m)Tc-MAA particles is administered to patients with pulmonary hypertension or other risk factors. This study assessed the changing patterns of (99m)Tc-MAA use between 2000 and 2015 at a single institution by comparing snapshots of the procedures performed in those two years...
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28408703/accuracy-of-82-rb-pet-ct-myocardial-perfusion-imaging-with-regadenoson-stress-including-3-year-clinical-outcomes
#15
Michael D Brophey, Irfan M Farukhi, Rosinda Castanon, Rosinda DeLaPena, Ledjona Bradshaw, Subhash Banerjee
The purpose of this study was to determine the clinical accuracy of (82)Rb PET/CT myocardial perfusion imaging (MPI) when performed with regadenoson stress in a U.S. Department of Veterans Affairs (VA) population of patients. Methods: The initial cohort of 480 patients undergoing vasodilator PET MPI with regadenoson stress at our institution from September 2009 through July 2010 was closely tracked for short-term outcomes based on correlation with invasive coronary catheterization. Long-term outcomes were determined by major adverse cardiac event rates based on data extraction from the electronic medical record and grouped by summed stress score (SSS) for a 3-y period...
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28408702/a-bizarre-ring-artifact-on-spect-ct-images
#16
REVIEW
Sajid Bashir, Muhammad Shahbaz, Dilber Iqbal
We encountered a round artifact on images obtained with our SPECT/CT system: a small dark spot surrounded by a broad light ring. The artifact was due to a problem with the SPECT portion of the hybrid system and was successfully removed through servicing of the system. This case report describes this scanner-based artifact, which, to our knowledge, has not previously been reported in the literature.
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28408701/mucoepidermoid-parotid-gland-tumor-found-on-follow-up-radioiodine-scan-for-differentiated-papillary-thyroid-cancer
#17
REVIEW
Chinna Naik, Sandip Basu
This report presents a case of focal uptake in the right parotid gland found on a follow-up whole-body radioiodine scan 1 y after successful ablation of differentiated papillary thyroid carcinoma. After the parotid tumor had been excised, it was proven histopathologically to be a low-grade mucoepidermoid tumor. This case illustrates a (131)I focus that was false-positive for thyroid carcinoma. The short period between radioiodine treatment and development of this parotid tumor creates doubt about a causal relationship...
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28280132/pediatric-brown-adipose-tissue-on-18-f-fdg-pet-diazepam-intervention
#18
Justine Cousins, Michael Czachowski, Ashok Muthukrishnan, Geoff Currie
Brown adipose tissue (BAT) has been widely reported to affect the efficacy of (18)F-FDG PET in oncology. Several small studies have found that warming the patient both before (18)F-FDG injection and during the uptake phase can reduce the frequency of BAT uptake. Pharmaceutical approaches such as propranolol and diazepam have also been used. Methods: We describe two case studies that demonstrated the impact of combined patient warming and diazepam administration on BAT uptake in pediatric (18)F-FDG PET images...
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28280131/effect-of-gadolinium-deposition-on-18-f-fdg-pet-ct-of-dentate-nucleus-and-globus-pallidus
#19
LETTER
Shinji Naganawa
No abstract text is available yet for this article.
June 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28280130/managing-written-directives-a-software-solution-to-streamline-workflow
#20
Robert H Wagner, Bital Savir-Baruch, Medhat S Gabriel, James R Halama, Davide Bova
A written directive is required by the U.S. Nuclear Regulatory Commission for any use of (131)I above 1.11 MBq (30 ╬╝Ci) and for patients receiving radiopharmaceutical therapy. This requirement has also been adopted and must be enforced by the agreement states. As the introduction of new radiopharmaceuticals increases therapeutic options in nuclear medicine, time spent on regulatory paperwork also increases. The pressure of managing these time-consuming regulatory requirements may heighten the potential for inaccurate or incomplete directive data and subsequent regulatory violations...
June 2017: Journal of Nuclear Medicine Technology
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