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Asia Oceania Journal of Nuclear Medicine & Biology

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https://www.readbyqxmd.com/read/28840142/-18-f-fdg-pet-ct-in-pleural-epithelioid-hemangioendothelioma
#1
Domenico Albano, Giovanni Bosio, Andrea Tironi, Francesco Bertagna
Pleural epithelioid hemangioendothelioma (EHE) is a rare malignancy of vascular-endothelial origin with non-specific symptoms and an unpredictable outcome. Diagnosis of this condition by imaging modalities is challenging, and no standard therapeutic approaches have been established in this regard. In this paper, we described the case of a patient with a low-grade fever, coughing and chest pain who underwent (18)F-FDG PET/CT after a positive thorax CT showing multiple bilateral calcified pulmonary nodules and extensive right-sided pleural effusion...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840141/changing-therapeutic-paradigms-predicting-mcrc-lesion-response-to-selective-internal-radionuclide-therapy-sirt-based-on-critical-absorbed-dose-thresholds-a-case-study
#2
Kathy P Willowson, Elizabeth J Bernard, Richard Maher, Stephen J Clarke, Dale L Bailey
A 65 year old male with metastatic colorectal cancer (mCRC) in the liver was referred for selective internal radionuclide therapy (SIRT) following a history of extensive systemic chemotherapy. (90)Y PET imaging was performed immediately after treatment and used to confirm lesion targeting and measure individual lesion absorbed doses. Lesion dosimetry was highly predictive of eventual response in the follow-up FDG PET performed 8 weeks after therapy. The derived radiation dose map was used to plan a second SIRT procedure aiming to protect healthy liver by keeping absorbed dose below the critical dose threshold, whilst targeting the remaining lesions that had received sub-critical dosing...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840140/salivary-gland-scintigraphy-in-patients-with-sjogren-s-syndrome-a-local-experience-with-dual-tracer
#3
Wing Hang Luk, Jessie Tse Hang Yeung, Eliza Po Yan Fung, Chiu Ming Lok, Yuet Ming Ng
OBJECTIVES: To review the findings of the patients with Sjögren's syndrome (SS) having technetium99-m-pertechnetate ((99m)Tc-pertechnetate) and gallium67- citrate (Ga-67) salivary gland scintigraphy in the past eight years. METHODS: The patients with SS, who were referred to our department for salivary gland scintigraphy during January -2008December 2015 were studied using both (99m)Tc-pertechnetate and Ga-67 citrate scintigraphy. RESULTS: Eighteen patients were included in the study, 17 of whom had positive findings on (99m)Tc-pertechnetate salivary gland scintigraphy...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840139/influence-of-the-different-primary-cancers-and-different-types-of-bone-metastasis-on-the-lesion-based-artificial-neural-network-value-calculated-by-a-computer-aided-diagnostic-system-bonenavi-on-bone-scintigraphy-images
#4
Takuro Isoda, Shingo BaBa, Yasuhiro Maruoka, Yoshiyuki Kitamura, Keiichiro Tahara, Masayuki Sasaki, Masamitsu Hatakenaka, Hiroshi Honda
OBJECTIVES: BONENAVI, a computer-aided diagnostic system, is used in bone scintigraphy. This system provides the artificial neural network (ANN) and bone scan index (BSI) values. ANN is associated with the possibility of bone metastasis, while BSI is related to the amount of bone metastasis. The degree of uptake on bone scintigraphy can be affected by the type of bone metastasis. Therefore, the ANN value provided by BONENAVI may be influenced by the characteristics of bone metastasis...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840138/evaluation-of-the-efficacy-of-standardized-uptake-value-suv-shape-scheme-for-thyroid-volume-determination-in-graves-disease-a-comparison-with-ultrasonography
#5
Yangchun Chen, Si Pei Xie, Fang He, Jianwei Chen
OBJECTIVES: In this study, we aimed to evaluate the efficacy of thyroid volume measurement using (99m)Tc pertechnetate single-photon emission computed tomography (SPECT) images, acquired by the standardized uptake value (SUV)-shape scheme designed by our expert team. METHODS: A total of 18 consecutive patients with Graves' disease (GD) were subjected to both ultrasonographic and (99m)Tc pertechnetate SPECT examinations of thyroid within a five-day interval. The volume of thyroid lobes and isthmus was measured by ultrasonography (US) according to the ellipsoid volume equation...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840137/uptake-index-of-123-i-metaiodobenzylguanidine-myocardial-scintigraphy-for-diagnosing-lewy-body-disease
#6
Yoshito Kamiya, Satoru Ota, Shintaro Okumiya, Kosuke Yamashita, Akihiro Takaki, Shigeki Ito
OBJECTIVES: Iodine-123 metaiodobenzylguanidine ((123)I-MIBG) myocardial scintigraphy has been used to evaluate cardiac sympathetic denervation in Lewy body disease (LBD), including Parkinson's disease (PD) and dementia with Lewy bodies (DLB). The heart-to-mediastinum ratio (H/M) in PD and DLB is significantly lower than that in Parkinson's plus syndromes and Alzheimer's disease. Although this ratio is useful for distinguishing LBD from non-LBD, it fluctuates depending on the system performance of the gamma cameras...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840136/the-efficiency-of-respiratory-gated-18-f-fdg-pet-ct-in-lung-adenocarcinoma-amplitude-gating-versus-phase-gating-methods
#7
Yoshiyuki Kitamura, Shingo Baba, Takuro Isoda, Yasuhiro Maruoka, Satoshi Kawanami, Kazuhiko Himuro, Masayuki Sasaki, Hiroshi Honda
OBJECTIVES: In positron emission tomography (PET) studies, thoracic movement under free-breathing conditions is a cause of image degradation. Respiratory gating (RG) is commonly used to solve this problem. Two different methods, i.e., phase-gating (PG) and amplitude-gating (AG) PET, are available for respiratory gating. It is important to know the strengths and weaknesses of both methods when selecting an RG method for a given patient. We conducted this study to clarify whether AG or PG is preferable for measuring fluorodeoxyglucose (FDG) accumulation in lung adenocarcinoma and to investigate patient conditions which are most suitable for AG and PG methods...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840135/assessment-of-mediastinal-tumors-using-suvmax-and-volumetric-parameters-on-fdg-pet-ct
#8
Takahiro Morita, Mitsuaki Tatsumi, Mana Ishibashi, Kayako Isohashi, Hiroki Kato, Osamu Honda, Eku Shimosegawa, Noriyuki Tomiyama, Jun Hatazawa
OBJECTIVES: This study aimed to evaluate the role of pretreatment SUVmax and volumetric FDG positron emission tomography (PET) parameters in the differentiation between benign and malignant mediastinal tumors. In addition, we investigated whether pretreatment SUVmax and volumetric FDG-PET parameters could distinguish thymomas from thymic carcinomas, and low-risk from high-risk thymomas. METHODS: This study was conducted on 52 patients with mediastinal tumors undergoing FDG-PET/CT...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840134/diagnostic-performance-and-safety-of-positron-emission-tomography-using-18-f-fluciclovine-in-patients-with-clinically-suspected-high-or-low-grade-gliomas-a-multicenter-phase-iib-trial
#9
Toshihiko Wakabayashi, Toshihiko Iuchi, Naohiro Tsuyuguchi, Ryo Nishikawa, Yoshiki Arakawa, Takashi Sasayama, Keisuke Miyake, Tadashi Nariai, Yoshitaka Narita, Naoya Hashimoto, Osamu Okuda, Hiroshi Matsuda, Kazuo Kubota, Kimiteru Ito, Yoichi Nakazato, Kan Kubomura
OBJECTIVES: The study objective was to assess the diagnostic performance of positron emission tomography (PET) for gliomas using the novel tracer (18)F-fluciclovine (anti-[(18)F]FACBC) and to evaluate the safety of this tracer in patients with clinically suspected gliomas. METHODS: Anti-[(18)F]FACBC was administered to 40 patients with clinically suspected high- or low-grade gliomas, followed by PET imaging. T1-weighted, contrast-enhanced T1-weighted, and fluid-attenuated inversion recovery (or T2-weighted) magnetic resonance imaging (MRI) scans were obtained to plan for the tissue collection...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840133/whole-body-distribution-of-donepezil-as-an-acetylcholinesterase-inhibitor-after-oral-administration-in-normal-human-subjects-a-11-c-donepezil-pet-study
#10
Ikuko Mochida, Eku Shimosegawa, Yasukazu Kanai, Sadahiro Naka, Keiko Matsunaga, Kayako Isohashi, Genki Horitsugi, Tadashi Watabe, Hiroki Kato, Jun Hatazawa
OBJECTIVES: It is difficult to investigate the whole-body distribution of an orally administered drug by means of positron emission tomography (PET), owing to the short physical half-life of radionuclides, especially when (11)C-labeled compounds are tested. Therefore, we aimed to examine the whole-body distribution of donepezil (DNP) as an acetylcholinesterase inhibitor by means of (11)C-DNP PET imaging, combined with the oral administration of pharmacological doses of DNP. METHODS: We studied 14 healthy volunteers, divided into group A (n=4) and group B (n=10)...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28840132/aojnmb-is-indexed-in-pubmed-central-from-the-first-issue
#11
EDITORIAL
S Rasoul Zakavi
No abstract text is available yet for this article.
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660227/sectional-anatomy-quiz
#12
Rashid Hashmi
This image based series comprises of a quiz pertaining to the identification of salient anatomical structures expected to be seen at a given level on the computed tomography (CT) followed by examples of multiple representative pathologies that can be seen at the same level in a routine clinical setting. It is expected that this will improve confidence of nuclear physicians in interpretation of the CT component of the single photon emission computed tomography (SPECT) and positron emission tomography (PET) studies...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660226/generalized-lymph-node-activation-after-influenza-vaccination-on-18-f-fdg-pet-ct-imaging-an-important-pitfall-in-pet-interpretation
#13
Narjess Ayati, Sarah Jesudason, Salvatore U Berlangieri, Andrew M Scott
We report on a 59-year-old female patient with an infected vascular graft investigated with (18)F FDG-PET/CT. The first of two studies showed FDG activity in the left deltoid and ipsilateral axillary lymph nodes explained by influenza vaccination the day prior. The second (18)F FDG-PET/CT showed multiple FDG-avid lymph nodes on both sides of the diaphragm without tracer accumulation at the vaccination site. Three months later the CT was negative for lymphadenopathy within the chest or abdominal region. Although influenza vaccination is a potential source of false positive results in FDG PET studies, generalised lymph node activation post vaccination is a rare finding with only one prior published report in individuals infected with HIV-1...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660225/incidental-unilateral-tuberculous-sacroiliitis-detected-by-18-f-fdg-pet-ct-in-a-patient-with-abdominal-tuberculosis
#14
Domenico Albano, Giorgio Treglia, Paolo Desenzani, Francesco Bertagna
Tuberculosis is a systemic disease which involves skeletal and articular system very rarely. Osteoarticular tuberculosis commonly occurs in the vertebral column and more rarely in the sacroiliac joints. In this study, we report a 44-years-old male patient with low-grade fever, malabsorption syndrome, abdominal and pelvic ascites and low-back pain, that underwent (18)F-FDG PET/CT for identifying the cause of signs and symptoms after a negative abdominal CT and negative thorax radiography. The study revealed increased tracer uptake at the peritoneal ascites and at the right sacroiliac joint in absence of bone alteration suggesting a sacroiliitis...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660224/edge-artifacts-in-point-spread-function-based-pet-reconstruction-in-relation-to-object-size-and-reconstruction-parameters
#15
Yuji Tsutsui, Shinichi Awamoto, Kazuhiko Himuro, Yoshiyuki Umezu, Shingo Baba, Masayuki Sasaki
OBJECTIVES: We evaluated edge artifacts in relation to phantom diameter and reconstruction parameters in point spread function (PSF)-based positron emission tomography (PET) image reconstruction. METHODS: PET data were acquired from an original cone-shaped phantom filled with (18)F solution (21.9 kBq/mL) for 10 min using a Biograph mCT scanner. The images were reconstructed using the baseline ordered subsets expectation maximization (OSEM) algorithm and the OSEM with PSF correction model...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660223/development-and-evaluation-of-image-reconstruction-algorithms-for-a-novel-desktop-spect-system
#16
Navid Zeraatkar, Arman Rahmim, Saeed Sarkar, Mohammad Reza Ay
OBJECTIVE S: Various iterative reconstruction algorithms in nuclear medicine have been introduced in the last three decades. For each new imaging system, it is wise to select appropriate image reconstruction algorithms and evaluate their performance. In this study, three approaches of image reconstruction were developed for a novel desktop open-gantry SPECT system, PERSPECT, to assess their performance in terms of the quality of the resultant reconstructed images. METHODS: In the present work, a proposed image reconstruction algorithm for the PERSPECT, referred to as quasi-simultaneous multiplicative algebraic reconstruction technique (qSMART), together with two popular image reconstruction methods, maximum-likelihood expectation-maximization (MLEM) and ordered-subsets EM (OSEM), were implemented and compared...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660222/-99m-tc-trodat-1-spect-imaging-in-early-and-late-onset-parkinson-s-disease
#17
Payam Sasannezhad, Ali Ghabeli Juibary, Kayvan Sadri, Ramin Sadeghi, Mahsa Sabour, Vahid Reza Dabbagh Kakhki, Hesam Alizadeh
OBJECTIVES: (99m)Tc-TRODAT-1, which binds to the dopamine transporter, could be used to image the dopaminergic system in diagnosis of Parkinson's disease (PD). PD can be classified into two groups: late onset Parkinson's disease (LOPD) and early onset Parkinson's disease (EOPD). In this study we tried to determine the TRODAT SPECT findings in EOPD as compared to LOPD. METHODS: Fifteen patients were studied. The diagnosis of PD was defined by clinical criteria based on UK Parkinson's Disease Society Brain Bank criteria...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660221/triage-of-limited-versus-extensive-disease-on-18-f-fdg-pet-ct-scan-in-small-cell-lung-cancer
#18
Riaz Saima, Bashir Humayun, Niazi Imran Khalid
OBJECTIVES: Small cell lung cancer (SCLC) is an aggressive neuroendocrine carcinoma, which accounts for 10-15% of pulmonary cancers and exhibits early metastatic spread. This study aimed to determine the added value of (18)F-FDG PET/CT imaging in tumor, node, and metastasis (TNM) staging of SCLC, compared to the conventional computed tomography (CT) scan and its potential role as a prognosticator. METHODS: This retrospective review was conducted on 23 patients, who were histopathologically diagnosed to have SCLC and referred for undergoing (18)F-FDG PET/CT scanning during October 2009-December 2015...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660220/f-18-fdg-pet-ct-imaging-of-eccrine-sweat-gland-carcinoma-of-the-scrotum-with-extensive-regional-and-distant-metastases
#19
Jin-Suk Kim
Eccrine carcinoma is an extremely rare malignant skin cancer arising from eccrine sweat glands with a high metastatic potential. It mainly occurs in the elderly, with equal incidence in both sexes. It usually spreads to regional lymph nodes, with liver, lungs, and bones being the most common sites of distant metastasis. Because of tumor rarity, little is known about the value of F-18 FDG PET/CT in evaluating this disease. Our case report aims to increase current knowledge of F-18 FDG PET/CT in eccrine sweat gland carcinoma as a noninvasive imaging tool for assessing the extension of the disease and detecting distant metastases...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28660219/seventy-fdg-pet-ct-cases-in-which-nuclear-medicine-physicians-suspected-lymphoma-how-reliable-are-we
#20
Akira Toriihara, Masashi Nakadate, Shin Nakamura, Kazunori Kubota, Ukihide Tateishi
OBJECTIVES: To validate the reliability of nuclear medicine physicians in diagnosing lymphoma using positron emission tomography/computed tomography using 2-deoxy-2-[(18)F]fluoro-D-glucose (FDG-PET/CT) and to determine findings that reliably suggest lymphoma. METHODS: Seventy patients suspected of having lymphoma using FDG-PET/CT were enrolled in this retrospective study. Two nuclear medicine physicians read all the interpretation reports and graded the degree of suspicion by consensus (3: definitely suspicious, 2: probably suspicious, and 1: possibly suspicious)...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
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