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https://www.readbyqxmd.com/read/29212258/diagnostic-accuracy-of-99mtc-tc-sestamibi-in-the-assessment-of-thyroid-nodules
#1
Anna Yordanova, Soha Mahjoob, Philipp Lingohr, Jörg Kalff, Andreas Türler, Holger Palmedo, Hans-Jürgen Biersack, Glen Kristiansen, Jamshid Farahati, Markus Essler, Hojjat Ahmadzadehfar
[99mTc]Tc-Sestamibi (MIBI) is an increasingly used tool for evaluation of thyroid nodules. However, there is a lack of evidence about the accuracy of this method in the European population. The aim of this study was to assess the utility of MIBI for the differentiation of thyroid nodules in a large cohort. 161 patients underwent MIBI, followed by a thyroidectomy. We used a dual phase MIBI protocol. Interpretation of the images included a scoring system from 0 (absent) to 3 (increased); this was to provide a scale for the uptake of the thyroid nodule in comparison to the paranodular tissue...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29177254/semi-quantitative-assessment-of-pulmonary-arterial-hypertension-associated-with-congenital-heart-disease-through-myocardial-perfusion-imaging
#2
Mei Liu, Chunxia Qin, Xiaotian Xia, Mengting Li, Yichun Wang, Lijun Wang, Xiaoke Shang, Xiaoli Lan
OBJECTIVE: The study aimed to use myocardial perfusion imaging (MPI) as a semi-quantitative method to assess the clinical severity of pulmonary arterial hypertension (PAH) in patients with congenital heart disease (CHD). SUBJECTS AND METHODS: A total of 24 patients with PAH related to CHD (PAH-CHD) who received interventional or medical treatment were included. All patients underwent physical examination, cardiac function evaluation, biochemical test, echocardiography, right heart catheterization (RHC), and MPI with 99mTc-methoxyisobutyl isonitrile (99mTc-MIBI) pre and 6 months post treatments...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29175213/a-new-therapeutic-proposal-for-inoperable-osteosarcoma-photodynamic-therapy
#3
Guilherme Chohfi de Miguel, Ana Margarida Abrantes, Mafalda Laranjo, Ana Yoshie Kitagawa Grizotto, Bruno Camporeze, José Aires Pereira, Gonçalo Brites, Arménio Serra, Marta Pineiro, António Rocha-Gonsalves, Maria Filomena Botelho, Denise Gonçalves Priolli
BACKGROUND: Osteosarcoma, a malignant tumor characterized by bone or osteoid formation, is the second most common primary bone neoplasm. Clinical symptoms include local and surrounding pain, unrelieved by rest or anesthesia. Osteosarcoma has a poor chemotherapeutic response with prognosis dependent on complete tumor excision. Therefore, for inoperable osteosarcoma new therapeutic strategies are needed. The present study aimed to develop murine models of cranial and vertebral osteosarcoma that facilitate simple clinical monitoring and real-time imaging to evaluate the outcome of photodynamic therapy based on a previously developed photosensitizer...
November 21, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29152292/concomitant-occurrence-of-primary-hyperparathyroidism-phpt-due-to-mediastinal-parathyroid-adenoma-and-sublingual-thyroid-gland-the-role-of-parathyroid-technetium-99m-mibi-scintigraphy
#4
Sara Choukry, Jaafar Benouhoud, Ghofrane Cherkaoui Salhi, Sara Taleb, Amal Guensi, Karim Choukry
The concomitant appearance of a sublingual thyroid and primary hyperparathyroidism due to parathyroid mediastinal adenoma is not common. This co-occurrence can lead to a misdiagnosis by morphological imaging methods alone. This case emphasizes the role of 99mTc-MIBI scintigraphy in the detection of parathyroid ectopic adenoma in a patient with an ectopic thyroid gland. This more accurate location of parathyroid scintigraphy is of great benefit to the surgeon for surgical excision.
November 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29149914/testing-the-effectiveness-of-a-motivational-interviewing-based-brief-intervention-for-substance-use-as-an-adjunct-to-usual-care-in-community-based-aids-service-organizations-study-protocol-for-a-multisite-randomized-controlled-trial
#5
Bryan R Garner, Heather J Gotham, Stephen J Tueller, Elizabeth L Ball, David Kaiser, Patricia Stilen, Kathryn Speck, Denna Vandersloot, Traci R Rieckmann, Michael Chaple, Erika G Martin, Steve Martino
BACKGROUND: In 2010, the first comprehensive National HIV/AIDS Strategy for the United States was released and included three goals: (1) reducing the number of people who become infected with HIV, (2) increasing access to care and improving health outcomes for people living with HIV, and (3) reducing HIV-related health disparities and health inequities. In 2013, as part of its effort to help address the National HIV/AIDS Strategy, the National Institute on Drug Abuse (NIDA) funded a type 2 effectiveness-implementation hybrid trial titled the Substance Abuse Treatment to HIV Care (SAT2HIV) Project...
November 17, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/29149909/testing-the-implementation-and-sustainment-facilitation-isf-strategy-as-an-effective-adjunct-to-the-addiction-technology-transfer-center-attc-strategy-study-protocol-for-a-cluster-randomized-trial
#6
Bryan R Garner, Mark Zehner, Mathew R Roosa, Steve Martino, Heather J Gotham, Elizabeth L Ball, Patricia Stilen, Kathryn Speck, Denna Vandersloot, Traci R Rieckmann, Michael Chaple, Erika G Martin, David Kaiser, James H Ford
BACKGROUND: Improving the extent to which evidence-based practices (EBPs)-treatments that have been empirically shown to be efficacious or effective-are integrated within routine practice is a well-documented challenge across numerous areas of health. In 2014, the National Institute on Drug Abuse funded a type 2 effectiveness-implementation hybrid trial titled the substance abuse treatment to HIV Care (SAT2HIV) Project. Aim 1 of the SAT2HIV Project tests the effectiveness of a motivational interviewing-based brief intervention (MIBI) for substance use as an adjunct to usual care within AIDS service organizations (ASOs) as part of its MIBI Experiment...
November 17, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/29142342/prevalence-of-subclinical-peripheral-vascular-disease-in-obese-egyptian-patients
#7
Jehan Ahmed Younes, Nahla Dessoki El-Sayed, Ayman Ismail Kamel
Objective: To detect subclinical peripheral vascular disease in obese Egyptian patients and establish relations between obesity, metabolic risk factors, and PVD. Methods: This was a prospective case-control study including 100 obese patients (BMI >30) (G1). In addition, 100 age and sex matched non-obese healthy subjects as a control group (G2). Both groups were subjected to duplex ultrasound, Radionuclide muscle scan. Angiography was done for 17 patients. Results: The image pattern of 99mTc-MIBI muscles uptake was studied and perfusion reserve (PR%) was calculated in (G1) and (G2)...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29135109/18f-fdg-pet-ct-versus-99tcm-mibi-spect-which-is-better-for-detection-of-solitary-pulmonary-nodules
#8
Guoliang Xia, Chuanguo An, Zonghua Ming, Hong Guo, Lihong Liu, Yufeng Li
PURPOSE: To compare the diagnostic value of 99Tcm-MIBI- SPECT and 18F-FDG-PET/CT in differentiating benign from malignant solitary pulmonary nodules (SPNs). METHODS: 170 SPNs were involved in this study (78 with 99Tcm-MIBI-SPECT and 92 with 18F-FDG-PET/CT). Definite diagnosis of SPNs was determined by biopsy. The diagnostic efficiency of 99Tcm-MIBI-SPECT and 18F-FDGPET/ CT in differentiating benign from malignant SPNs was analyzed and compared. RESULTS: Seventy-eight patients with SPNs were examined with 99Tcm-MIBI-SPECT (26 with malignant SPNs and 52 with benign SPNs)...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29059950/preoperative-parathyroid-localization-using-joint-planar-imaging
#9
Richalannaphat Srikram, Pisit Jarumaneeroj, Tawatchai Chaiwatanarat, Yothin Rakvongthai
The conventional approach for preoperative parathyroid localization with the dual (99m)Tc-sestamibi ((99m)Tc-MIBI) and (99m)Tc-pertechnetate ((99m)TcO4(-) ) scintigraphy technique obtains the differential image by subtracting images from the two scans; the former depicts both the thyroid and parathyroid glands while the latter depicts the thyroid only. In this study, we developed a novel method based on Poisson noise modeling and maximum-likelihood estimation to generate the differential image in an iterative fashion using both planar images jointly...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29036000/unilateral-submandibular-gland-atrophy-and-sialolithiasis-diagnosed-on-99mtc-mibi-spect-ct-in-a-patient-with-primary-hyperparathyroidism
#10
Puskar Pattanayak, Prasanna Santhanam, Mehrbod Som Javadi, Lilja B Solnes, Steven P Rowe
A variety of sequelae of elevated calcium levels are encountered in patients with underlying primary hyperparathyroidism, including stone formation such as calculi in the urinary tract and sialoliths in the salivary glands and ducts. We present a case of a 54-year-old woman with fatigue, myalgia, and poor concentration who was found to have hypercalcemia (corrected calcium, 11.2 mg/dL) and elevated parathyroid hormone level (112 pg/mL), laboratory values consistent with primary hyperparathyroidism. She underwent evaluation with a Tc-MIBI parathyroid SPECT scan that included x-ray CT acquisitions for anatomical localization and attenuation correction...
October 13, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28993832/-diagnostics-and-treatment-of-primary-hyperparathyroidism
#11
C Nies
Primary hyperparathyroidism is a disease that occurs more frequently than generally thought and is often overlooked. Classical symptoms are bone pain and osteoporosis, renal calculi and peptic ulcers. Many patients are asymptomatic or have unspecific complaints. It is easy to establish the biochemical diagnosis based on calcium and parathormone (PTH) levels and 24-h urine calcium excretion. The most sensitive localization procedures for parathyroid adenomas are sonography and Tc-99(m)-MIBI scintigraphy. The indication for surgery is undisputed in symptomatic patients; however, there is controversy concerning patients without classical symptoms...
October 9, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28991763/normal-values-of-tissue-muscle-perfusion-indexes-of-lower-limbs-obtained-with-a-scintigraphic-method
#12
Nevena Manevska, Sinisa Stojanoski, Daniela Pop Gjorceva, Lidija Todorovska, Daniela Miladinova, Beti Zafirova
Introduction Muscle perfusion is a physiologic process that can undergo quantitative assessment and thus define the range of normal values of perfusion indexes and perfusion reserve. The investigation of the microcirculation has a crucial role in determining the muscle perfusion. Materials and method The study included 30 examinees, 24-74 years of age, without a history of confirmed peripheral artery disease and all had normal findings on Doppler ultrasonography and pedo-brachial index of lower extremity (PBI)...
September 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28988020/management-of-mediastinal-parathyroid-adenoma-via-minimally-invasive-thoracoscopic-surgery-case-report
#13
Saulat Hasnain Fatimi, Hina Inam, Farida Karim Chagan, Usama Khalid Choudry
INTRODUCTION: The most common cause of chronic hypercalcemia is primary hyperparathyroidism (PHPT). However, owing to the diverse presentation of hypercalcemia, the diagnosis often goes unnoticed culminating as a continuum of recurrence of symptoms. Nephrolithiasis, decreased bone mineral density and peptic ulcer disease are the main clinical sequelae. Among the causes of PHPT 80% are caused by parathyroid adenomas (PA). However, only rarely, these adenomas are found ectopically. PRESENTATION OF CASE: We present the case of a 66-year-old female with a history of recurrent renal stones and peptic ulcer disease...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28987702/the-diagnostic-accuracy-of-neck-ultrasound-4d-computed-tomographyand-sestamibi-imaging-in-parathyroid-carcinoma
#14
Ioannis Christakis, Thinh Vu, Hubert H Chuang, Bryan Fellman, Angelica M Silva Figueroa, Michelle D Williams, Naifa L Busaidy, Nancy D Perrier
INTRODUCTION: Our aim was to investigate the accuracy of available imaging modalities for parathyroid carcinoma (PC) in our institution and to identify which imaging modality, or combination thereof, is optimal in preoperative determination of precise tumor location. METHODS: All operated PC patients in our institution between 2000 and 2015 that had at least one of the following in-house preoperative scans: neck ultrasonography (US), neck 4D-Computed Tomography (4DCT) and 99mTc Sestamibi SPECT/CT (MIBI)...
October 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28971656/-should-patients-with-primary-hyperparathyroidism-and-negative-imaging-studies-be-referred-to-surgery
#15
Michal Mekel, Barak Levit, Yoram Kluger, Sophia Ish-Shalom, Elena Segal, Bishara Bishara
INTRODUCTION: Parathyroidectomy is the only curative treatment for primary hyperparathyroidism (PHPT). In cases where imaging fails to demonstrate an adenoma, a bilateral neck exploration (BNE) is performed. Negative imaging is thought to predict surgical failure, and patients with negative imaging are often not referred for surgery. These patients are at risk for disease progression. AIMS: Evaluate the effect of negative imaging on surgical findings and the cure rate in patients with PHPT...
September 2017: Harefuah
https://www.readbyqxmd.com/read/28948350/diagnostic-accuracy-of-an-artificial-neural-network-compared-with-statistical-quantitation-of-myocardial-perfusion-images-a-japanese-multicenter-study
#16
Kenichi Nakajima, Takashi Kudo, Tomoaki Nakata, Keisuke Kiso, Tokuo Kasai, Yasuyo Taniguchi, Shinro Matsuo, Mitsuru Momose, Masayasu Nakagawa, Masayoshi Sarai, Satoshi Hida, Hirokazu Tanaka, Kunihiko Yokoyama, Koichi Okuda, Lars Edenbrandt
PURPOSE: Artificial neural networks (ANN) might help to diagnose coronary artery disease. This study aimed to determine whether the diagnostic accuracy of an ANN-based diagnostic system and conventional quantitation are comparable. METHODS: The ANN was trained to classify potentially abnormal areas as true or false based on the nuclear cardiology expert interpretation of 1001 gated stress/rest (99m)Tc-MIBI images at 12 hospitals. The diagnostic accuracy of the ANN was compared with 364 expert interpretations that served as the gold standard of abnormality for the validation study...
December 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28930839/a-novel-use-of-hill-function-and-utility-of-99mtc-mibi-scintigraphy-to-detect-earlier-lower-extremity-microvascular-perfusion-in-patients-with-type-2-diabetes
#17
Yingsha Li, Qiang Li, Shenju Liang, Xia Liang, Wen Zhou, Hongbo He, Rongbing Jin, Kaifa Wang, Zhiming Zhu, Zhencheng Yan
We use the Hill function to analyze the dynamics of Tc-99m 2 methoxy-isobutyl-isonitrile (Tc-MIBI) scintigraphy data and to examine the earlier lower extremity microvascular perfusion of diabetic patients without typical clinical symptoms and with the preserved normal ankle-brachial index (ABI).Eighty-eight participants (30 healthy control, 34 diabetic patients, and 24 diabetic patients with peripheral arterial disease [PAD]) were recruited and applied Tc-MIBI scintigraphy. Fourteen diabetic patients with PAD also underwent computed tomography angiography (CTA) examination and were performed endovascular interventions...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28902729/comparative-effectiveness-of-ultrasonography-99mtc-sestamibi-and-18f-fluorocholine-pet-ct-in-detecting-parathyroid-adenomas-in-patients-with-primary-hyperparathyroidism
#18
Ntk Thanseer, Sanjay Kumar Bhadada, Ashwani Sood, Bhagwant Rai Mittal, Arunanshu Behera, Arun Kumar Reddy Gorla, Renjith R Kalathoorakathu, Priyanka Singh, Divya Dahiya, Uma Nahar Saikia, Sudhaker D Rao
PURPOSE: Accurate preoperative localization of parathyroid lesion(s) is crucial for successful surgical management of primary hyperparathyroidism (PHPT). This study was conducted to compare the effectiveness of ultrasonography (USG) of the neck, Tc-sestamibi (MIBI) imaging with or without SPECT/CT, and F-fluorocholine (FCH) PET/CT imaging in the preoperative localization of parathyroid lesions in patients with PHPT. METHODS: Fifty-four consecutive patients with PHPT were included in this prospective study who underwent preoperative localization of the parathyroid lesion(s) using 3 diagnostic modalities followed by surgery...
December 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28900880/characterizing-indeterminate-renal-masses-with-molecular-imaging-the-role-of-99m-tc-mibi-spect-ct
#19
REVIEW
Andrew M Reynolds, Kristin Kelly Porter
PURPOSE OF REVIEW: The majority of enhancing renal masses cannot be characterized through imaging as malignant or benign; however, such characterization could save patients from unnecessary surgery and/or biopsy and associated morbidity. Herein, we review the recent literature on the emerging use of (99m)Tc-MIBI SPECT/CT in preoperative differentiation of enhancing renal masses. RECENT FINDINGS: Recent reports have shown that (99m)Tc-MIBI SPECT/CT imaging can differentiate mitochondrial-rich, benign, or indolent renal masses from renal cell carcinoma...
September 12, 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28882718/nontraumatic-multiple-vertebral-compression-fractures-induced-by-primary-hyperparathyroidism-a-case-report-and-literature-review
#20
Man Kyu Choi, Sung Min Kim
BACKGROUND: Primary hyperparathyroidism (PHPT) is one of the causes of osteoporosis and is known to increase the fracture risk of bone. However, multiple vertebral compression fracture because of PHPT is extremely rare. CASE DESCRIPTION: A case of acute multiple vertebral compression fracture in a patient with PHPT is described. The fracture occurred suddenly without trauma. The patient had a low T score (-4.4), and serum hypercalcemia and phosphatemia were evident...
September 4, 2017: World Neurosurgery
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