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https://www.readbyqxmd.com/read/29902144/paratiroidectomia-miniinvasiva-videoasistida-minimally-invasive-video-assisted-parathyroidectomy
#1
Luis Gramática, Rodolfo Raúl Cecenarro, Facundo Jorge Antueno, Noelia Susana Villablanca
ResumenObjetivo. Mostrar nuestra experiencia realizando la paratiroidectomía miniinvasiva video-asistida con abordaje central para el tratamiento de pacientes con hiperparatiroidismo primario, sin utilizar el monitoreo intraoperatorio de paratohormona (mipth), basados únicamente en la concordancia de dos estudios de localización preoperatorios.Material y métodos. Se seleccionaron 27 pacientes con diagnóstico de hiperparatiroidismo primario, a los cuales se les realizó previo su consentimiento para la realización de un abordaje miniinvasivo, una ecografía cervical y una centellografía sesta-MIBI como estudios de localización pre-operatorios, los cuales fueron concordantes en todo ellos...
April 11, 2018: Revista de la Facultad de Ciencias Médicas
https://www.readbyqxmd.com/read/29890904/a-novel-technology-for-localization-of-parathyroid-adenoma-ultrasound-guided-fine-needle-aspiration-combined-with-rapid-parathyroid-hormone-detection-and-nano-carbon-technology
#2
Shouyi Yan, Wenxin Zhao, Bo Wang, Liyong Zhang
OBJECTIVE: The study aims to evaluate the clinic feasibility of rapid parathyroid hormone (PTH) detection and nano-carbon technology in preoperative diagnosis and localization of parathyroid adenoma. METHODS: With the guidance of ultrasound, the operator performed the parathyroid puncture and tested the PTH value by using a PTH test kit, and then injected nano-carbon into parathyroid adenoma as a marker to observe whether the parathyroid adenoma was stained black during the final operation...
June 1, 2018: Surgical Innovation
https://www.readbyqxmd.com/read/29875850/absent-99m-tc-mibi-uptake-in-the-thyroid-gland-during-early-phase-of-parathyroid-scintigraphy-in-patients-with-primary-and-secondary-hyperparathyroidism
#3
Anamarija Jovanovska, Bojana Stoilovska, Magdalena Mileva, Daniela Miladinova, Venjamin Majstorov, Ana Ugrinska
BACKGROUND: Thyroid uptake of technetium-99m methoxyisobutylisonitrile (99m Tc-MIBI) during parathyroid scintigraphy can be affected by various conditions. AIM: To evaluate the frequency of absent 99m Tc-MIBI uptake by the thyroid gland in the early phase of dual-phase parathyroid scintigraphy. METHODS: The early planar images of dual phase Tc99m MIBI parathyroid scintigraphy from 217 patients performed between 2014 and 2017 were retrospectively analysed...
May 20, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29873171/a-rural-perspective-on-minimally-invasive-parathyroidectomy-optimal-preoperative-imaging-and-patient-outcomes
#4
Matthew Binks, Denbigh Burrows, David Littlejohn
BACKGROUND: Our retrospective review of prospectively collected data evaluated the efficacy of minimally invasive parathyroidectomy (MIP) and compared preoperative imaging modalities in a rural referral centre. METHODS: Patients with a diagnosis of primary hyperparathyroidism underwent surgeon-performed ultrasound (SUS) and technetium-99 m sestamibi (MIBI). Radiologist-performed ultrasound (RUS) was sought when the diagnosis remained in doubt. Four-dimensional computed tomography (4DCT) first replaced RUS in mid-2014, then MIBI as a frontline modality in 2015...
June 5, 2018: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29797996/-clinical-study-of-chondrosarcoma-in-the-jugular-foramen
#5
F T Li, C F Dai
Objective: To explore the diagnosis and surgical treatment of chondrosarcoma in the jugular foramen (JF). Method: This study lies on the retrospective analysis about 72 patients with secondary hyperparathyroidism who had parathyroid gland resection in our hospital from 2010 to 2017. All of 72 cases are examined by color doppler ultrasound,99mTC-MIBI nuclide imaging and magnetic resonance imaging. According to the gold standard pathological diagnosis after surgery, we compute the sensitivity and the specificity of various imaging examination and analyse these statistics by rate card square test with SPSS 19...
September 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29797994/-three-combined-imaging-studies-diagnostic-value-for-preoperative-position-of-hyperthyroidism
#6
Y D Ning, T T Wang, S J Bo, H Y Li, X Q Yang, C Zhang, X F Xu
Objective: To investigatethe diagnostic value of three combined imaging studies' preoperative localization for secondary hyperparathyroidism. Method: This study lies on the retrospective analysis about 72 patients with secondary hyperparathyroidism who had parathyroid gland resection in our hospital from 2010 to 2017. All of 72 cases are examined by color doppler ultrasound,99mTC-MIBI nuclide imaging and magnetic resonance imaging. According to the gold standard pathological diagnosis after surgery, we compute the sensitivity and the specificity of various imaging examination and analyse these statistics by rate card square test with SPSS 19...
September 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29783202/feasibility-of-myocardial-pet-imaging-using-a-benzylguanidine-analog-meta-3-18-f-fluoropropyl-benzylguanidine-18-f-mfpbg
#7
Sang-Keun Woo, Byung Seok Moon, Bom Sahn Kim, Min Hwan Kim, Yong Jin Lee, Jae Ho Jung, Kyo Chul Lee, Youngho Seo, Wook Kim, Sang Moo Lim, Byung Chul Lee, Sang Eun Kim
INTRODUCTION: Global and regional sympathetic activity in the heart can be evaluated using [123 I]meta-iodobenzylguanidine ([123 I]mIBG) imaging. However, [123 I]mIBG is associated with low image spatial resolution and sensitivity in cardiac imaging. We investigated the capability of an F-18-labeled mIBG derivative, meta-(3-[18 F]fluoropropyl)benzylguanidine ([18 F]mFPBG), for identifying ischemic and viable myocardium in a rat model of myocardial infarction. MATERIALS AND METHODS: The ex vivo biodistribution and in vivo metabolic stability of [18 F]mFPBG were investigated in Sprague-Dawley rats...
May 3, 2018: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/29782596/diagnostic-performance-of-hybrid-cardiac-spect-ct-imaging-for-patients-with-takotsubo-cardiomyopathy
#8
Yasuro Sugihara, Yoshimitsu Fukushima, Shin-Ichiro Kumita, Hitoshi Takano, Wataru Shimizu
Background: The diagnostic performance of SPECT-only imaging for takotsubo cardiomyopathy (TC) is limited due to the lack of coronary artery distribution information. The aim of this study was to evaluate the diagnostic performance of hybrid cardiac SPECT/CT for patients with TC or acute coronary syndrome (ACS). Methods: Twenty-two patients with apical ballooning left ventricular (LV) dysfunction who underwent cardiac perfusion SPECT using 99m Tc-methoxy-isobutyl-isonitrile (MIBI), cardiac fatty-acid metabolism SPECT using 123 I-beta-methyl-P-iodophenyl-pentadecanoic acid (BMIPP), cardiac CT, and hybrid cardiac SPECT/CT imaging were analyzed...
2018: European journal of hybrid imaging
https://www.readbyqxmd.com/read/29775451/-recurrent-urolithiasis-as-a-symptom-of-primary-hyperparathyroidism-in-a-16-year-old-boy
#9
Monika Wojciechowska, Beata Bieniaś, Aleksandra Sobieszczańska-Droździel, Anna Wieczorkiewicz-Płaza, Iwona Beń-Skowronek, Przemysław Sikora
Primary hyperparathyroidism is one of the most common endocrine diseases, however, it is rare in children. In most cases, it is caused by adenoma of these organs. Its most common complications include urolithiasis, nephrocalcinosis and osteoporosis. CASE REPORT: A 16-year-old patient was admitted to our Clinic because of his first-ever renal colic. The ultrasound examination revealed rightsided hydronephrosis caused by the presence of 9 mm stone in the upper part of the right ureter. In addition, the presence of 8 mm stone in the middle calyx of the left kidney was found...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29750878/perfusion-scintigraphy-in-the-assessment-of-autologous-cell-therapy-in-diabetic-patients-with-critical-limb-ischemia
#10
A Nemcova, A Jirkovska, M Dubsky, R Bem, V Fejfarova, V Woskova, A Pysna, M Buncova
Perfusion scintigraphy with technetium-99-methoxy-isobutyl-isonitrile ((99m)Tc-MIBI) is often used for assessing myocardial function but the number of studies concerning lower limb perfusion is limited. The aim of our study was to assess whether (99m)Tc-MIBI was an eligible method for evaluation of the effect of cell therapy on critical limb ischemia (CLI) in diabetic patients. (99m)Tc-MIBI of calf muscles was performed before and 3 months after autologous cell therapy (ACT) in 24 diabetic patients with CLI...
May 10, 2018: Physiological Research
https://www.readbyqxmd.com/read/29743901/effect-of-nicorandil-administration-on-myocardial-microcirculation-during-primary-percutaneous-coronary-intervention-in-patients-with-acute-myocardial-infarction
#11
Chunguang Feng, Bing Han, Yi Liu, Lulu Wang, Dongdong Niu, Ming Lou, Cunzhi Lu
Introduction: Prevention of the no-reflow phenomenon has a crucial role in primary percutaneous coronary intervention (P-PCI) procedures. Aim: To assess the effects of early intracoronary administration of nicorandil (NIC) during P-PCI on myocardial microcirculation in patients with acute myocardial infarction (AMI). Material and methods: A total of 120 patients with first acute anterior wall ST segment elevation myocardial infarction who underwent P-PCI were randomly divided into two groups: the NIC group (A, n = 60) and the placebo group (B, n = 60)...
2018: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/29730179/complementary-role-of-parathormone-washout-test-to-99m-tc-mibi-parathyroid-scintigraphy-and-histopathologic-analysis-of-cell-types-in-parathyroid-adenomas
#12
Semra Ince, Ozdes Emer, Salih Deveci, Kursat Okuyucu, Engin Alagoz, Huseyin San, Aslı Ayan, Ozgur Karacalioglu, Cem Haymana, Bengul Gunalp, Nuri Arslan
OBJECTIVE: Parathyroid scintigraphy (PS) can be negative or equivocal (N/E) in a considerable number of cases with highly suspicious clinical findings and biochemical results for parathyroid adenoma (PA). The aims of this study were to investigate the complementary role of parathormone washout test (PWT) to PS in patients with primary hyperparathyroidism (PHPT) and evaluate histopathologic aspects of PAs in comparison with PS results. MATERIAL AND METHODS: Thirty-eight patients with PHPT referred for PS were included in the study...
May 2, 2018: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29725391/2d-sti-combined-with-gated-99tcm-mibi-mpi-for-the-diagnosis-of-myocardial-ischemia-in-hypercholesterolemia-patients
#13
Yi Song, Rui-Fang Zhang, Yu Liu
[This retracts the article DOI: 10.3892/etm.2017.4602.].
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29705817/application-of-the-alteration-uptake-ratio-of-99m-tc-mibi-scintigraphy-for-evaluating-the-efficacy-of-neoadjuvant-chemotherapy-in-osteosarcoma-patients
#14
Zhongke Huang, Cen Lou
BACKGROUND: We aimed to semi-quantitatively evaluate using technetium-99m methoxyisobutylisonitrile (99m Tc-MIBI) scintigraphy the efficacy of neoadjuvant chemotherapy in osteosarcoma (OS) patients. SUBJECTS AND METHODS: A hundred and two patients with OS were retrospectively included in this study. All of them underwent 99m Tc-MIBI scintigraphy before and after neoadjuvant chemotherapy. Semi-quantitative parameters including the uptake ratio (UR) and alteration of uptake ratio (AUR) were calculated for each patient...
January 2018: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29696485/relationship-between-microvascular-changes-autonomic-denervation-and-myocardial-fibrosis-in-chagas-cardiomyopathy-evaluation-by-mri-and-spect-imaging
#15
Gustavo Canavaci Barizon, Marcus Vinicius Simões, André Schmidt, Leonardo Pippa Gadioli, Luiz Otávio Murta Junior
BACKGROUND: The relationship between microvasculopathy, autonomic denervation, and myocardial fibrosis, in Chagas cardiomyopathy is incompletely understood. The aim of this study was to explore the relative extent and anatomic distribution of myocardial hypoperfusion, autonomic denervation, and myocardial scarring using Single-Photon Emission Computerized Tomography (SPECT) imaging and Magnetic Resonance Imaging (MRI). METHODS: Thirteen patients with Chagas disease all had Iodine-123-metaiodobenzylguanidine (MIBG) SPECT, 99m Tc-Sestamibi (MIBI) rest-stress SPECT, and gadolinium late enhancement MRI imaging within a 2-month interval...
April 25, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29644341/uptake-of-99m-tc-mibi-by-sclerosing-pneumocytoma-raising-a-false-suspicion-of-metastasis-from-medullary-thyroid-carcinoma
#16
Georgios E Papadakis, Flavian Tabotta, Igor Levotanec, Michel Gonzalez, John O Prior, Stefano La Rosa, Gerasimos P Sykiotis
Technetium-99m methoxy isobutyl isonitrile (99m Tc-MIBI; sestamibi) single-photon emission computed tomography (SPECT)/computed tomography (CT) performed for preoperative localization of parathyroid adenomas or for other indications can reveal incidentalomas. Interpretation of such findings can be challenging, particularly when thyroid or other endocrine tumors are also present. Preoperative staging of a 59-year-old female patient with medullary thyroid carcinoma (MTC) showing moderate hypermetabolism on 18 F-fluorodeoxyglucose positron emission tomography/CT also detected a slightly hypermetabolic pulmonary nodule (standardized uptake value normalized by body weight max = 2...
April 1, 2018: Journal of the Endocrine Society
https://www.readbyqxmd.com/read/29628185/revisiting-colorectal-cancer-animal-model-an-improved-metastatic-model-for-distal-rectosigmoid-colon-carcinoma
#17
Rui Caetano-Oliveira, Marcos António Gomes, Ana Margarida Abrantes, Edgar Tavares-Silva, Marco Carvalho Oliveira, Mafalda Laranjo, Débora Basílio Queirós, João Casalta-Lopes, Salomé Pires, Lina Carvalho, Rosa Gouveia, Paulo Rodrigues Santos, Denise Gonçalves Priolli, José Guilherme Tralhão, Maria Filomena Botelho
Colorectal cancer (CRC) is the second most frequent and fatal cancer in Western countries. Understanding its biology with different incidence along the colon and rectum, genetic profile and how these factors contribute to local/distant progression, has been hampered by the lack of a suitable CRC model. We report a reproducible model, using human CRC cell lines (CL) (WiDr, LS1034, C2BBe1) injected (1 × 107 cells/animal) in RNU rats (n = 55) which underwent cecostomy and descending colostomy with mucosal-cutaneous fistula of the sigmoid colon...
March 13, 2018: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/29616419/clinical-presentation-and-management-of-patients-with-primary-hyperparathyroidism-in-italy
#18
F Saponaro, F Cetani, A Repaci, U Pagotto, C Cipriani, J Pepe, S Minisola, C Cipri, F Vescini, A Scillitani, A Salcuni, S Palmieri, C Eller-Vainicher, I Chiodini, B Madeo, E Kara, E Castellano, G Borretta, L Gianotti, F Romanelli, V Camozzi, A Faggiano, S Corbetta, L Cianferotti, M L Brandi, M L De Feo, A Palermo, G Vezzoli, F Maino, M Scalese, C Marcocci
PURPOSE: Evaluation of the phenotype of primary hyperparathyroidism (PHPT), adherence to International Guidelines for parathyroidectomy (PTx), and rate of surgical cure. METHOD: From January 2014-January 2016, we performed a prospective, multicenter study in patients with newly diagnosed PHPT. Biochemical and instrumental data were collected at baseline and during 1-year follow-up. RESULTS: Over the first year we enrolled 604 patients (age 61 ± 14 years), mostly women (83%), referred for further evaluation and treatment advice...
April 3, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29605629/tissue-muscle-perfusion-assessed-by-one-day-99m-tc-mibi-rest-dipyridamol-scintigraphy-in-non-diabetic-and-diabetic-patients
#19
N Manevska, S Stojanoski, D Pop Gjorceva, L Todorovska, M Vavlukis, V Majstorov
AIM: To determine the perfusion reserve of the lower limbs using the method 99m Tc-MIBI (rest-dipyridamole) perfusion scintigraphy (one-day protocol) in the diagnostic evaluation of peripheral artery disease (PAD) in patients with and without diabetes mellitus (DM). MATERIAL AND METHODS: We performed tissue-muscle perfusion scintigraphy (TMPS) of the lower limbs, through one-day rest-dipyridamole protocol with 99m Tc-MIBI in 24 patients, divided in two groups according to the presence of diabetes - patients with DM (Dp) 13/24 (54%), 2 males and 9 female patients, age 63±13 years and patients without DM (NDp) 11/24 (46%), 3 males and 10 females, age 61±14 years...
May 2018: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29572848/experimental-validation-of-absolute-spect-ct-quantification-for-response-monitoring-in-breast-cancer
#20
Angela Collarino, Lenka M Pereira Arias-Bouda, Renato A Valdés Olmos, Pieternel van der Tol, Petra Dibbets-Schneider, Lioe-Fee de Geus-Oei, Floris H P van Velden
PURPOSE: Recent developments in iterative image reconstruction enable absolute quantification of SPECT/CT studies by incorporating compensation for collimator-detector response, attenuation, and scatter as well as resolution recovery into the reconstruction process (Evolution; Q.Metrix package; GE Healthcare, Little Chalfont, UK). The aim of this experimental study is to assess its quantitative accuracy for potential clinical 99m Tc-sestamibi (MIBI)-related SPECT/CT application in neoadjuvant chemotherapy response studies in breast cancer...
May 2018: Medical Physics
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