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Scintigraphy

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https://www.readbyqxmd.com/read/28106911/positron-emission-tomography-computed-tomography-imaging-of-adrenocorticotropic-hormone-producing-small-cell-neuroendocrine-carcinoma-of-the-cervix
#1
Vien X Nguyen, Ba D Nguyen, Dora M Lam-Himlin
Ectopic ACTH-dependent Cushing syndrome-inducing small-cell neuroendocrine carcinoma of the cervix, undiagnosed by computed tomography and whole-body octreotide scintigraphy, was identified using F-18 FDG PET/CT imaging. This article is protected by copyright. All rights reserved.
January 20, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28105116/computer-assisted-quantitative-evaluation-of-bisphosphonate-treatment-for-paget-s-disease-of-bone-using-the-bone-scan-index
#2
Satoshi Nagano, Shunsuke Nakamura, Hirofumi Shimada, Masahiro Yokouchi, Takao Setoguchi, Yasuhiro Ishidou, Hiromi Sasaki, Setsuro Komiya
The purpose of the present study was to analyze the effect of treatment of Paget's disease of bone (PDB) with bone scintigraphy using a computer-assisted diagnosis system (BONENAVI) that quantitatively evaluates bone metabolism. Seven patients with PDB (three male, four female; average age, 60 years; age range, 33-80 years) underwent bone scintigraphy and measurement of serum alkaline phosphatase (ALP), bone-specific ALP (BAP), serum cross-linked N-telopeptide (NTx) of type I collagen, urinary NTx, and deoxypyridinoline (DPD) before and after bisphosphonate treatment...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28102814/successful-induction-of-peritoneal-dialysis-in%C3%A2-a%C3%A2-patient-with-massive-hydrothorax-due-to%C3%A2-pleuroperitoneal-communication%C3%A2
#3
Takahiro Uchida, Yuji Yamada, Toshihiko Imakiire, Naoki Oshima, Hiroo Kumagai
A 74-year-old woman with liver cirrhosis and chronic kidney disease (CKD) who had complained of chronic abdominal distension due to prominent ascites presented with sudden dyspnea. Chest radiography showed massive right pleural effusion that shifted the mediastinum. Peritoneal scintigraphy using 99mTc-macroaggregated albumin revealed pleuroperitoneal communication (PPC). As her hydrothorax was refractory and frequent thoracentesis did not improve her respiratory distress, thoracoscopic surgery was performed for repair of the diaphragm defect...
January 19, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28101681/extended-liver-venous-deprivation-before-major-hepatectomy-induces-marked-and-very-rapid-increase-in-future-liver-remnant-function
#4
Boris Guiu, François Quenet, Laure Escal, Frédéric Bibeau, Lauranne Piron, Philippe Rouanet, Jean-Michel Fabre, Eric Jacquet, Alban Denys, Pierre-Olivier Kotzki, Daniel Verzilli, Emmanuel Deshayes
OBJECTIVE: The aim of this study was to assess the safety and efficacy of extended liver venous deprivation (eLVD), i.e. combination of right portal vein embolisation and right (accessory right) and middle hepatic vein embolisation before major hepatectomy for future remnant liver (FRL) functional increase. METHODS: eLVD was performed in non-cirrhotic patients referred for major hepatectomy in a context of small FRL (baseline FRL <25% of the total liver volume or FRL function <2...
January 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28099265/observer-agreement-of-treatment-responses-on-planar-bone-scintigraphy-in-prostate-cancer-patients-importance-of-the-lesion-assessment-method
#5
Randi F Fonager, Helle D Zacho, Signe Albertsen, Joan Fledelius, June A Ejlersen, Mette H Christensen, Ramune Aleksyniene, José A Biurrun Manresa, Lars J Petersen
PURPOSE: The aim of this study was to assess observer agreement on the evaluation of treatment responses of bone metastases by bone scintigraphy (BS) using different scoring methods in prostate cancer patients. PATIENTS AND METHODS: Sixty-three paired BS from 55 patients were included. BS was performed before and after more than 12 weeks of anticancer treatment. A panel of experienced nuclear medicine physicians from several institutions evaluated treatment response using three different methods: (a) standard clinical assessment, (b) MD Anderson criteria, and (c) Prostate Cancer Working Group 2 (PCWG-2) criteria...
January 17, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28098106/the-role-of-dynamic-renal-scintigraphy-on-clinical-decision-making-in-hydronephrotic-children
#6
Seçil Arslansoyu Çamlar, Nazlı Deveci, Alper Soylu, Mehmet Atilla Türkmen, Derya Özmen, Gamze Çapakaya, Salih Kavukçu
Hydronephrosis may be related to an obstructive cause, ureteropelvic/uretero-vesical junction obstruction or nonobstructive [vesicoureteral reflux (VUR)]. When an obstructive pathology is considered, dynamic renal scintigraphy may help to predict whether it is a true obstruction or not. In this study, we aimed to determine the contribution of dynamic renal scintigraphy with [99] mTc-MAG-3 to the clinical decision-making for surgery in hydronephrotic children. Files of the patients evaluated by MAG-3 scintigraphy for antenatal (AH)/postnatal (PH) hydronephrosis between 1992 and 2014 were reviewed...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28097476/impact-of-an-exercise-training-program-on-cardiac-neuronal-function-in-heart-failure-patients-on-optimal-medical-therapy-a-randomized-iodine-123-metaiodobenzylguanidine-scintigraphy-study
#7
Torstein Valborgland, Kjetil Isaksen, Peter Scott Munk, Zbigniew Piotr Grabowski, Alf Inge Larsen
BACKGROUND: The syndrome of heart failure (HF) is characterized by left ventricular dysfunction and a compensatory chronic over activation of the sympathetic nervous system. We wanted to investigate if the beneficial effects of exercise training (ET) in HF patients on optimal medical therapy (OMT) are associated with alterations in cardiac sympathetic activity. METHODS: Cardiac sympathetic activity was evaluated at baseline and after 12 weeks using metaiodobenzylguanidine scintigraphy in 23 patients with stable HF participating in the SmartEx trial...
January 17, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28095128/safety-and-benefits-of-inhaled-hypertonic-saline-following-airway-challenges-with-endotoxin-and-allergen-in-asthmatics
#8
Neil E Alexis, William D Bennett, David B Peden
OBJECTIVE: To determine whether induced sputum (IS) with hypertonic saline inhalation is safe to use in asthmatics within 24 hours of two commonly used airway challenges, namely endotoxin and dust mite allergen, and to assess whether IS can enhance mucociliary clearance (MCC) rates in asthmatics. METHODS: IS (three 7 minute inhalation periods of 3, 4, 5% hypertonic saline) was employed before (N = 29) and within 24 hours of inhaled challenges with endotoxin (N = 13) and dust mite allergen (N = 12) in a cohort of mild to moderate asthmatics...
January 17, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28095020/current-status-of-ventilation-perfusion-scintigraphy-for-suspected-pulmonary-embolism
#9
Darlene Metter, Mark Tulchinsky, Leonard M Freeman
OBJECTIVE: The purpose of this article is to outline recent progress made in ventilation-perfusion (V/Q) scintigraphy imaging techniques and the interpretation systems used for the diagnosis of pulmonary embolism (PE). Various state-of-the-art approaches that can be selected according to the needs dictated by the medical practice environment and specific patient groups are presented. CONCLUSION: Although advances in tomographic imaging have certainly improved the sensitivity of V/Q scans for the diagnosis of PE, they may lead to overdiagnosis by revealing small and clinically insignificant PEs...
January 17, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28093848/one-mutation-two-distinct-disease-variants-unravelling-the-impact-of-transthyretin-amyloid-fibril-composition
#10
REVIEW
O B Suhr, E Lundgren, P Westermark
Although hereditary transthyretin (h-ATTR) amyloidosis is a monogenetic disease, a large variation in its phenotype has been observed. The common hypothesis of amyloid fibril formation involves dissociation of the transthyretin (TTR) tetramer into monomers that after misfolding reassemble into amyloid fibrils. This notion is partly challenged by the finding of two distinct types of amyloid fibrils. One of these, type A, consists of C-terminal ATTR fragments and full-length TTR, whereas the other, type B, consists only of full-length TTR...
January 17, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28093632/ureterocystoneostomy-in-complex-oncological-cases-with-an-uebelhoer-modified-boari-bladder-flap
#11
Jan P Radtke, Nina Korzeniewski, Johannes Huber, Celine D Alt, Sascha Pahernik, Boris A Hadaschik, Markus Hohenfellner, Dogu Teber
PURPOSE: The study aims to describe the technique and analyze the outcome of an arcuated bladder incision with building of a triangular flap, first described by Uebelhoer (UBBF), as a modification of the classical rectangular Boari bladder flap (BBF), that is often viable, but can present difficulties, such as reduced flap vascularization and mobility in pretreated patients. METHODS: Twelve consecutive patients with distal or mid ureteral leakage or stenosis, that underwent UBBF, were retrospectively analyzed...
January 16, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28092147/should-serum-calcitonin-be-routinely-measured-in-patients-presenting-with-thyroid-nodule
#12
William P Tormey, Brendan Byrne, Arnold D Hill, Mark Sherlock, Christopher J Thompson
BACKGROUND: The European Thyroid Association recommends serum calcitonin measurement in thyroid nodule cases. In contrast, the American Thyroid Association is ambivalent. In this institution, thyroid nodules cases are subject to a multidisciplinary evaluation of the clinical history and examination, ultrasound and scintigraphy, CT scan and sometimes MRI scan, biochemistry and histopathology of biopsies. We report on the current use of plasma calcitonin measurements in the context of changing practice which has not included screening of all thyroid nodules...
January 13, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28089085/the-timing-of-bone-spect-to-predict-osteonecrosis-after-internal-fixation-of-femur-neck-fractures
#13
Ji Wan Kim, Jin-Sook Ryu, Sora Baek, Seong-Eun Byun, Jae Suk Chang
BACKGROUND: Bone SPECT can be used after a femur neck fracture to assess the circulation of the femoral head in the immediate postoperative period because the blood supply is one of the major factors affecting bone uptake of radiotracer on bone scintigraphy. The purpose of our present study was to investigate whether osteonecrosis of the femoral head (OFH) after internal fixation of femoral neck fracture could be predicted by early and late bone SPECT. METHODS: This retrospective cohort study enrolled 44 patients (33 women; mean age, 66...
January 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28086986/radioiodine-sinus-uptake-related-to-mucosal-thickening-or-aspergilloma-a-case-series-of-an-unrecognized-event-well-evidenced-by-spect-ct
#14
Renaud Ciappuccini, David Blanchard, Jean-Pierre Rame, Dominique de Raucourt, Emmanuel Babin, Stéphane Bardet
BACKGROUND: False-positive radioiodine (RAI) uptake related to chronic sinusitis and mucocele has only rarely been reported in patients with differentiated thyroid cancer (DTC) even with the recent use of single photon emission tomography with computed tomography (SPECT/CT) acquisition. No other etiology of sinus RAI uptake has been mentioned to date. OBJECTIVES: We report five cases of DTC patients with sinus RAI uptake on post-RAI scintigraphy. SPECT/CT clearly localized RAI uptake either in the sphenoid, the maxillary or the frontal sinus and highly suspected mucosal thickening in four patients and sinus aspergilloma in one patient...
January 13, 2017: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/28075092/diabetes-mellitus-management-of-gastrointestinal-complications
#15
Beth Careyva, Brian Stello
Gastrointestinal disorders are common complications of diabetes mellitus and include gastroparesis, nonalcoholic fatty liver disease, gastroesophageal reflux disease, and chronic diarrhea. Symptoms of gastroparesis include early satiety, postprandial fullness, nausea, vomiting of undigested food, bloating, and abdominal pain. Gastroparesis is diagnosed based on clinical symptoms and a delay in gastric emptying in the absence of mechanical obstruction. Gastric emptying scintigraphy is the preferred diagnostic test...
December 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/28074772/-nuclear-medicine-techniques-for-selective-internal-radiotherapy-of-liver-cancer
#16
Peter Frøhlich Staanum, Anne Kirstine Arveschoug, Stine Maria Jentoft Kramer, Jens Erik Nielsen, Dennis Tønner Nielsen, Peter Ott, Henning Grønbæk, Gerda Elisabeth Villadsen
Selective internal radiation therapy (SIRT) of hepatocellular carcinoma has been introduced at Aarhus University Hospital. 90Y-microspheres are implanted in the tumour by catheterization of the tumour feeding liver artery. Pretreatment angiography and test treatment using 99mTc-labelled particles followed by scintigraphy ensure a feasible and effective treatment. Post-treatment imaging of radiation from 90Y visualize the localization of microspheres. Currently, SIRT is also applied for liver metastases of neuroendocrine tumours...
January 2, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28074210/diagnostic-value-of-additional-68-ga-psma-pet-before-223-ra-dichloride-therapy-in-patients-with-metastatic-prostate-carcinoma
#17
Axel Bräuer, Kambiz Rahbar, Julia Konnert, Martin Bögemann, Lars Stegger
PURPOSE: Medical imaging plays an important role in selecting patients with metastatic castration-resistant prostate cancer for (223)Ra-dichloride therapy of bone metastases. The purpose of this study was to investigate whether (68)Ga-PSMA-PET has incremental value over conventional imaging for selecting patients suitable for (223)Ra-dichloride therapy. METHODS: In 27 consecutive patients referred for (223)Ra-dichloride therapy additional (68)Ga-PSMA-PET/CT was performed and tracer distribution was evaluated systematically with respect to the detection of visceral metastases and bone metastases with inadequate uptake on bone scintigraphy...
January 11, 2017: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/28070848/intravaginal-delivery-of-polyphenon-60-and-curcumin-nanoemulsion-gel
#18
Atinderpal Kaur, Yashaswee Saxena, Rakhi Bansal, Sonal Gupta, Amit Tyagi, Rakesh Kumar Sharma, Javed Ali, Amulya Kumar Panda, Reema Gabrani, Shweta Dang
Polyphenon 60 (P60) and curcumin (CUR) were loaded in a single nanoemulsion system and their combined antibacterial action was studied against uropathogenic Escherichia coli. To enhance availability at target organs and to inhibit enzymatic degradation in gastro intestinal tract, vaginal route of administration was explored. P60 + CUR nanoemulsion (NE) was formulated by ultra-sonication and optimized using Box-Behnken design. Optimized NE showed Z-average of 211.2 nm, polydispersity index of 0.343, and zeta potential of -32...
January 9, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28070734/significant-correlation-between-renal-123-i-metaiodobenzylguanidine-scintigraphy-and-muscle-sympathetic-nerve-activity-in-patients-with-primary-hypertension
#19
Masayuki Takamura, Hisayoshi Murai, Yoshitaka Okabe, Yuji Okuyama, Takuto Hamaoka, Yusuke Mukai, Hideki Tokuhisa, Oto Inoue, Shin-Ichiro Takashima, Takeshi Kato, Shinro Matsuo, Soichiro Usui, Hiroshi Furusho, Shuichi Kaneko
BACKGROUND: Iodine-123 metaiodobenzylguanidine ((123)I-MIBG) scintigraphy is used as a noninvasive imaging method for assessing cardiac sympathetic nerve activity. We tested the hypothesis that renal (123)I-MIBG imaging is correlated with muscle sympathetic nerve activity (MSNA) in patients with primary hypertension. METHODS: Thirty-one consecutive patients with primary hypertension were included. Multiunit MSNA was recorded from the peroneal nerve to evaluate direct efferent sympathetic nerve activity...
January 9, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28070627/-tendinopathy-in-rheumatic-diseases
#20
M Henniger, S Rehart
Involvement of tendons and tendon sheaths is frequently found in the most common inflammatory systemic diseases, rheumatoid arthritis and spondyloarthritis. In rheumatoid arthritis tendon manifestations occur as tenosynovitis, with swelling and pain of the tendons mainly on the hands and feet. In spondyloarthritis the involvement of tendons presents as enthesitis with pain and swelling directly at the attachment points of tendons to the bony structures and more commonly in the lower extremities. Pathological alterations of tendons can be normally visualized by sonography and only sometimes with magnetic resonance imaging (MRI) or scintigraphy...
January 9, 2017: Der Unfallchirurg
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