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https://www.readbyqxmd.com/read/28324923/topotecan-vincristine-doxorubicin-in-stage-4-high-risk-neuroblastoma-patients-failing-to-achieve-a-complete-metastatic-response-to-rapid-cojec-a-siopen-study
#1
Loredana Amoroso, Giovanni Erminio, Guy Makin, Andrew Dj Pearson, Penelope Brock, Dominique Valteau-Couanet, Victoria Castel, Marlène Pasquet, Genevieve Laureys, Caroline Thomas, Roberto Luksch, Ruth Ladenstein, Riccardo Haupt, Alberto Garaventa
Purpose: Metastatic response to induction therapy for high-risk neuroblastoma is a prognostic factor. In the International Society of Paediatric Oncology Europe Neuroblastoma (SIOPEN) HR-NBL-1 protocol, only patients with metastatic complete response (CR) or partial response (PR) with ≤3 abnormal skeletal areas on 123iodine-metaiodobenzylguanidine ([123I]mIBG) scintigraphy and no bone marrow disease proceed to high dose therapy (HDT). In this study, topotecan-vincristine-doxorubicin (TVD) was evaluated in patients failing to achieve these criteria, with the aim of improving the metastatic response rate...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28324123/long-term-bone-scintigraphy-results-after-intravenous-zoledronate-in-paget-s-disease-of-bone
#2
Ian R Reid, Katherine Maslowski
Zoledronate produces long-term normalization of biochemical markers in Paget's disease but whether this implies the absence of active disease is unknown. We have determined whether bone scintigraphy, a more sensitive index of disease activity, is also normalized ≥5 years after treatment with zoledronate. A consecutive case series of 11 individuals with Paget's disease treated with zoledronate 5 mg ≥5 years previously is reported. Eight patients received a single zoledronate infusion and were assessed 55-120 months later...
March 21, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28324047/functional-imaging-in-the-follow-up-of-enteropancreatic-neuroendocrine-tumors-clinical-usefulness-and-indications
#3
Elettra Merola, Marianne E Pavel, Francesco Panzuto, Gabriele Capurso, Noemi Cicchese, Anja Rinke, Thomas M Gress, Elsa Iannicelli, Daniela Prosperi, Patrizia Pizzichini, Vikas Prasad, Patrizia Kump, Rainer Lipp, Stefano Partelli, Massimo Falconi, Bertram Wiedenmann, Gianfranco Delle Fave
Context: Functional imaging tests (FITs) detecting somatostatin receptors expression (i.e., Somatostatin Receptor Scintigraphy, 68Ga-DOTA-peptide positron emission tomography/computed tomography) have a pivotal role in the diagnosis of neuroendocrine tumors (NETs), while their indication during follow-up still needs to be clarified. Objective: Investigate the role of FITs after diagnosis of metastatic enteropancreatic NETs, identifying patients who might benefit from these exams...
January 13, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28320195/combined-use-of-dopamine-transporter-imaging-dat-spect-and-123-i-metaiodobenzylguanidine-mibg-myocardial-scintigraphy-for-diagnosing-parkinson-s-disease
#4
Fumihito Yoshii, Masafuchi Ryo, Yasuhiko Baba, Takashi Koide, Jun Hashimoto
BACKGROUND: To examine whether combined use of (123)I-FP-CIT dopamine transporter single photon emission computed tomography (DAT-SPECT) and (123)I-MIBG myocardial scintigraphy (MIBG) is superior to either modality alone for diagnosing Parkinson's disease (PD). METHODS: Patients with probable PD (n=120) who underwent both DAT-SPECT and MIBG myocardial scintigraphy within short intervals were enrolled. Specific binding ratio (SBR) of DAT-SPECT images and heart-to-mediastinum (H/M) ratio of MIBG images were used as quantitative measures...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28317651/clinical-validity-of-presynaptic-dopaminergic-imaging-with%C3%A2-123-i-ioflupane%C3%A2-and-noradrenergic-imaging-with-123-i-mibg-in-the-differential-diagnosis-between-alzheimer-s-disease-and-dementia-with-lewy-bodies-in-the-context-of-a-structured-5-phase-development
#5
REVIEW
Ida Sonni, Osman Ratib, Marina Boccardi, Agnese Picco, Karl Herholz, Flavio Nobili, Andrea Varrone
The use of biomarkers (BMs) for accurate diagnosis of Alzheimer's disease (AD) has been proposed by recent diagnostic criteria; however, their maturity is not sufficient to grant implementation in the clinical routine. A proper diagnostic process requires not only confirmation of the disease but also the exclusion of similar disorders entering differential diagnosis, like dementia with Lewy bodies (DLB). This review is aimed at evaluating the clinical validity of (123)I-ioflupane brain single photon emission tomography and (123)I-MIBG cardiac scintigraphy as imaging BMs for DLB...
April 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28315917/a-pediatric-hypophosphatemic-rickets-on-mri-99m-tc-mdp-bone-scan-and-18-f-fdg-pet-ct
#6
Changyun Xu, Chao Ma, Yongli Bai
We present a case of a 13 years old boy who was hospitalized with a 10 months history of progressive pain and weakness in his lower extremities. The laboratory tests revealed slightly decreased phosphate and 25-hydroxyvitamin D3, high alkaline phosphatase, normal calcium and parathyroid hormone (PTH). Magnetic resonance imaging (MRI) showed multiple patchy lesions indicating bone destruction in the metaphyses and epiphyses of the left knee. Fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) revealed a generalized decrease of bone density in axial bones with slightly increased (18)F-FDG metabolism...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315915/four-patients-with-gastrointestinal-bleeding-identified-by-a-modified-in-vivo-technique-with-labeled-red-blood-cells-sedimentation
#7
Kang-Hung Chao, Cheng-Kai Huang, Dmytro Luzhbin, Jay Wu
OBJECTIVE: Gastrointestinal bleeding scintigraphy (GIBS) offers the advantage of continuous monitoring of patients to localize the site of gastrointestinal bleeding. In this study, a modified in vivo labeling method with sedimentation of the labeled red blood cells (RBC) was applied to remove free technetium-99m ((99m)Tc) and increase labeling efficiency. PATIENTS AND METHODS: Four patients were studied. A modified in vivo RBC labeling method was used. After 10 minutes of RBC sedimentation, patients' blood plasma in the upper part of the syringe was removed, and the erythrocytes labeled with (99m)Tc were re-administered to the patient...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315910/effect-of-selenium-supplementation-for-protection-of-salivary-glands-from-iodine-131-radiation-damage-in-patients-with-differentiated-thyroid-cancer
#8
Haiyoung Son, Sang Mi Lee, Ra Gyoung Yoon, Hakmin Lee, Ilkyun Lee, Soon Kim, Woong Youn Chung, Jeong Won Lee
OBJECTIVE: In the current study, we examined whether selenium supplementation during iodine-131 ((131)I) treatment had a radio-protective effect on salivary glands. SUBJECTS AND METHODS: Sixteen patients with differentiated thyroid cancer were prospectively enrolled in the study. Patients after total thyroidectomy, before (131)I treatment, were divided into two groups; 8 patients in the selenium group and 8 patients in the control group. Patients in the selenium group received 300νg of selenium orally for 10 days, from 3 days before to 6 days after (131)I treatment...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315908/positive-99m-tc-mibi-and-the-subtraction-parathyroid-scan-are-related-to-intact-parathyroid-hormone-but-not-to-total-plasma-calcium-in-primary-hyperparathyroidism
#9
Sanja Dugonjić, Marija Šišić, Marija Radulović, Boris Ajdinović
OBJECTIVE: Primary hyperparathyroidism (pHPT) is characterised by increased parathyroid hormone (PTH) secretion and consequently increased plasma calcium. During the last few decades parathyroid scintigraphy (PS), is applied in almost all patients with pPHT before surgery and specifically before minimally invasive parathyroidectomy. The aim of this study was to find the best cut-off levels of total plasma calcium and intact PTH (iPTH) that correlate with positive technetium-99m-methoxy isobutyl isonitrile ((99m)Tc-MIBI) PS and with positive subtraction PS (SPS) in patients with pHPT and thus the positive diagnostic value of these PS...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315903/reconsideration-of-the-primary-and-secondary-diagnostic-criteria-of-meckel-s-diverticulum-scintigraphy-a-study-of-93-confirmed-cases
#10
Ha Wu, Xiaofei Zhao, Yiwei Li, Ruifang Zhao
OBJECTIVE: Meckel's diverticulum scintigraphy (MDS) is a common method for diagnosing ectopic gastric mucosa (EGM), but atypical images are difficult to diagnose. This study aimed to improve the understanding of the existing diagnostic criteria through a review of confirmed cases. SUBJECTS AND METHODS: A total of 352 patients underwent MDS. Among 120 patients with a positive diagnosis, 106 underwent surgery. This study analyzed the imaging presentation, surgical records, and pathological results...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28314325/mic1-gdf15-as-a-bone-metastatic-disease-biomarker
#11
Jindra Windrichova, Radka Fuchsova, Radek Kucera, Ondrej Topolcan, Ondrej Fiala, Jindrich Finek, Dagmar Slipkova
AIM: The aim of the study was to evaluate MIC1/GDF15 as a biomarker in the monitoring of bone metastases occurrence. PATIENTS AND METHODS: The assessed group included patients diagnosed with: prostate cancer, breast cancer, lung cancer and colorectal cancer. Patients were divided into two groups based on the scintigraphy of the occurrence of bone metastases. Group 0 contained 55 patients without bone metastases, that served as the control group. Group 1 contained 75 patients with bone metastases...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28304181/computed-tomography-angiography-as-a-confirmatory-test-for-the-diagnosis-of-brain-death
#12
Mark P Garrett, Richard W Williamson, Michael A Bohl, C Roger Bird, Nicholas Theodore
OBJECTIVE For a diagnosis of brain death (BD), ancillary testing is performed if patient factors prohibit a complete clinical examination and apnea test. The American Academy of Neurology (AAN) guidelines identify cerebral angiography (CA), cerebral scintigraphy, electroencephalography, and transcranial Doppler ultrasonography as accepted ancillary tests. CA is widely considered the gold standard of these, as it provides the most reliable assessment of intracranial blood flow. CT angiography (CTA) is a noninvasive and widely available study that is also capable of identifying absent or severely diminished intracranial blood flow, but it is not included among the AAN's accepted ancillary tests because of insufficient evidence demonstrating its reliability...
March 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28302002/preoperative-cardiac-risk-assessment-in-patients-undergoing-liver-transplant-due-to-hepatocellular-carcinoma-should-it-be-different
#13
Haldun Muderrisoglu, Kerem Can Yilmaz, Emir Karacaglar, Ugur Bal, Alp Aydinalp, Gokhan Moray, Mehmet Haberal
OBJECTIVES: Liver transplant is a high-risk surgery for cardiac events. The risk of 30-day major cardiac adverse events is estimated at more than 5%. In this retrospective study, we evaluated our preoperative cardiac risk assessment approach. MATERIALS AND METHODS: We evaluated 58 adult patients who underwent liver transplant between May 2011 and May 2015. Preoperative cardiac risk factors and results of diagnostic tests were noted. Patients were divided into 2 groups: patients with or without hepatocellular carcinoma...
March 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28301606/usefulness-of-bone-scintigraphy-for-the-diagnosis-of-complex-regional-pain-syndrome-1-a-systematic-review-and-bayesian-meta-analysis
#14
Maria M Wertli, Florian Brunner, Johann Steurer, Ulrike Held
BACKGROUND: Since 2007, the Budapest criteria are recommended for the diagnosis of Complex Regional Pain Syndrome (CRPS) 1. The usefulness of bone scintigraphy (BS, index test) for the diagnosis of CRPS 1 remains controversial. Imperfect reference tests (RT) result in underestimation of the diagnostic accuracy of BS. Further, biased results can occur when a dependency between the RT and BS exists. The objective was to assess the impact of different RTs, specifically the Budapest criteria, and the assumed imperfect nature of the RT on the diagnostic accuracy of BS...
2017: PloS One
https://www.readbyqxmd.com/read/28299921/physical-training-improves-myocardial-perfusion-but-not-left-ventricular-function-response-to-exercise-in-patients-with-microvascular-angina
#15
Eduardo E Carvalho, Júlio C Crescêncio, Giovani L Santi, Luciano F Oliveira, Pedro V Schwartzmann, Lourenço Gallo, José A Marin-Neto, Marcus V Simões
BACKGROUND: Patients with primary microvascular angina (PMA) commonly exhibit abnormal left ventricular function (LVF) during exercise, potentially owing to myocardial ischemia. Herein, we investigated n PMA patients the effect of the reduction of myocardial perfusion disorders, by using aerobic physical training, upon LVF response to exercise. METHODS: Overall, 15 patients (mean age, 53.7±8.9 years) with PMA and 15 healthy controls (mean age, 51.0±9.4 years) were studied...
March 16, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28299237/asymptomatic-urolithiasis-complicated-by-nephrocutaneous-fistula
#16
Marion Hamard, Gaël Amzalag, Christoph D Becker, Pierre-Alexandre Poletti
Asymptomatic spontaneous nephrocutaneous fistula is a rare and severe complication of chronic urolithiasis. We report a case of 56-year-old woman with a nephrocutaneous fistula (NFC) which developed from a superinfected urinoma following calyceal rupture due to an obstructing calculus in the left ureter. The patient was clinically asymptomatic and came to the emergency department for a painless left flank fluctuating mass. This urinoma was superinfected, with a delayed development of renal abscesses and perirenal phlegmon found on contrast-enhanced uro-computed tomography (CT), responsible for left renal vein thrombophlebitis and left psoas abscess...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28298387/diagnosis-of-chronic-thromboembolic-pulmonary-hypertension
#17
REVIEW
Deepa Gopalan, Marion Delcroix, Matthias Held
Chronic thromboembolic pulmonary hypertension (CTEPH) is the only potentially curable form of pulmonary hypertension. Rapid and accurate diagnosis is pivotal for successful treatment. Clinical signs and symptoms can be nonspecific and risk factors such as history of venous thromboembolism may not always be present. Echocardiography is the recommended first diagnostic step. Cardiopulmonary exercise testing is a complementary tool that can help to identify patients with milder abnormalities and chronic thromboembolic disease, triggering the need for further investigation...
January 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28295896/assessing-the-colonic-microbiome-hydrogenogenic-and-hydrogenotrophic-genes-transit-and-breath-methane-in-constipation
#18
P G Wolf, G Parthasarathy, J Chen, H M O'Connor, N Chia, A E Bharucha, H Rex Gaskins
BACKGROUND: Differences in the gut microbiota and breath methane production have been observed in chronic constipation, but the relationship between colonic microbiota, transit, and breath tests remains unclear. METHODS: In 25 healthy and 25 constipated females we evaluated the sigmoid colonic mucosal and fecal microbiota using 16S rRNA gene sequencing, abundance of hydrogenogenic FeFe (FeFe-hydA) and hydrogenotrophic (methyl coenzyme M reductase A [mrcA] and dissimilatory sulfite reductase A [dsrA]) genes with real-time qPCR assays, breath hydrogen and methane levels after oral lactulose, and colonic transit with scintigraphy...
March 13, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28294875/-efficiency-of-operation-trombendarterektomy-from-pulmonary-artery-branches-depending-on-the-degree-of-pulmonary-hypertension-and-duration-of-disease
#19
A M Chernyavskiy, A G Edemskiy, M A Chernyavskiy, V G Efimenko, A R Tarkova, S N Ivanov
AIM: to assess effect of thromboendarterectomy from pulmonary artery branches on clinical functional state of patients with chronic thromboembolic pulmonary hypertension (CTEPH) in dependence on degree of pulmonary hypertension and disease duration. MATERIAL: Patients (n=152) were divided into 3 groups: (1) with systolic pulmonary artery pressure (SPAP) less or equal 50 mm Hg (n=20), (2) with SPAP>50- less or equal 80mm Hg (n=46), (3) with SPAP >80mm Hg (n=86)...
May 2016: Kardiologiia
https://www.readbyqxmd.com/read/28293001/-congenital-bronchial-atresia-requiring-differentiation-from-intralobar-sequestration
#20
Yusuke Tanaka, Isao Matsumoto, Daisuke Saito, Syuhei Yoshida, Seiichi Kakegawa, Masaya Tamura, Hirofumi Takemura, Kaori Yoshimura, Hiroko Ikeda
We reported a case of bronchial atresia requiring differentiation from the intralobar sequestration. A 42-year-old man was referred to our institution with suspicion of intralobar sequestration, based on a 3-dimensional computed tomography (CT) angiography that showed abnormal blood vessels from the right inferior phrenic artery flowing into the right lower lobe. CT revealed a lesion between S9 and S10 wherein there were refluxed blood vessels from A9 without an accompanying bronchus, with polycysts and emphysematous changes...
March 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
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