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Parathyroid surgery

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https://www.readbyqxmd.com/read/27904855/multiple-endocrine-neoplasia-type-1-with-anterior-mediastinal-parathyroid-adenoma-successful-localization-using-tc-99m-sestamibi-spect-ct
#1
Hye Lim Park, Ie Ryung Yoo, Sung Hoon Kim, Sohee Lee
The most common manifestation of multiple endocrine neoplasia type 1 (MEN1) is hyperparathyroidism. Treatment of hyperparathyroidism in MEN patients is surgical removal of the parathyroid glands, however ectopic parathyroid gland is challenging for treatment. A 51-year-old female, the eldest of 3 MEN1 sisters, had hyperparathyroidism with ectopic parathyroid adenoma in the mediastinal para-aortic region, which was detected by technetium-99m (Tc-99m) sestamibi scintigraphy and single-photon emission computed tomography/computed tomography (SPECT/CT)...
December 2016: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/27901181/evaluation-of-preoperative-ultrasonographic-and-biochemical-features-of-patients-with-aggressive-parathyroid-disease-is-there-a-reliable-predictive-marker
#2
Bekir Cakir, Sefika Burcak Polat, Mehmet Kilic, Didem Ozdemir, Cevdet Aydin, Nuran Süngü, Reyhan Ersoy
Objective: Parathyroid cancer (PC) represents < 1% of cases of PHPT. Tumors demonstrating atypical histopathologic features and don't fulfill criteria for carcinoma are classified as atypical adenomas (APA). The purpose of this study was to determine a biochemical or ultrasonographic feature that can predict aggressive disease requiring more extensive surgery and closer follow-up. Subjects and methods: Twenty eight patients operated for PHPT and diagnosed with atypical adenoma (23 patients) or carcinoma (5 patients) were enrolled in this study...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27900863/-symptomatic-and-asymptomatic-primary-hyperparathyroidism-in-outpatient-care-current-issues
#3
Helena Šiprová, Miroslav Souček, Zdeněk Fryšák, Květoslav Šipr
OBJECTIVE: To assess the diagnostic and therapeutic options in the care of patients with primary hyperparathyreosis in outpatient practice.Cohort and methods: The study included all the patients with primary hyperparathyroidism treated at the 2nd Internal Medicine Department, Masaryk University and the University Hospital of St. Anne in Brno in the period from Jan 1, 2008 to Dec 31, 2013. The sample consisted of 218 patients, including 41 men and 177 women. Patients with secondary hyperparathyroidism, especially patients with underlying hypovitaminosis D, renal insufficiency and those taking medications with possible effects on parathyroid hormone levels, have not been included in the study...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27899986/metastasis-of-renal-cell-carcinoma-to-the-parathyroid-gland-16-years-after-radical-nephrectomy-a-case-report
#4
Liborio Torregrossa, Maria Isabella Rotondo, Andrea Cacciato Insilla, David Galleri, Federica Guidoccio, Paolo Miccoli, Virginia A Livolsi, Fulvio Basolo
Renal cell carcinoma (RCC) has a high metastatic potential, and most commonly metastasizes via the bloodstream, although lymphatic metastases also occur. RCC is well-known for its propensity to metastasize to unusual sites, and late metastasis, even after a number of years, is common. The occurrence of RCC metastasis to the head and neck region is uncommon, and occurs primarily in the thyroid gland and in patients with widespread dissemination. Involvement of the parathyroid gland in metastatic carcinoma is extremely rare...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27896436/risk-factors-for-complications-after-adrenalectomy-results-from-a-comprehensive-national-database
#5
Lo Hallin Thompson, Erik Nordenström, Martin Almquist, Helene Jacobsson, Anders Bergenfelz
PURPOSE: Most knowledge regarding outcome after adrenal surgery stems from retrospective studies reported by highly specialized centres. The aim of this study was to report a national experience of adrenalectomy with particular attention to predictive factors for postoperative complications, conversion from endoscopic to open surgery and length of hospital stay. METHODS: Adrenalectomies reported in the Scandinavian Quality Register for Thyroid, Parathyroid and Adrenal Surgery (SQRTPA) 2009-2014 were included...
November 28, 2016: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/27894941/one-year-of-abaloparatide-a-selective-peptide-activator-of-the-pth1-receptor-increased-bone-mass-and-strength-in-ovariectomized-rats
#6
Aurore Varela, Luc Chouinard, Elisabeth Lesage, Robert Guldberg, Susan Y Smith, Paul J Kostenuik, Gary Hattersley
Abaloparatide is a novel 34 amino acid peptide selected to be a potent and selective activator of the parathyroid hormone receptor 1 (PTHR1) signaling pathway. The effects of 12months of abaloparatide treatment on bone mass, bone strength and bone quality was assessed in osteopenic ovariectomized (OVX) rats. SD rats were subjected to OVX or sham surgery at 6months of age and left untreated for 3months to allow OVX-induced bone loss. Eighteen OVX rats were sacrificed after this bone depletion period, and the remaining OVX rats received daily s...
November 25, 2016: Bone
https://www.readbyqxmd.com/read/27867880/effect-of-curative-parathyroidectomy-on-insulin-resistance
#7
Rachel Putnam, Deba Prasad Dhibar, Shweta Varshney, Arunanshu Behera, B R Mittal, Anil Bhansali, Sudhaker D Rao, Sanjay Kumar Bhadada
BACKGROUND: Primary hyperparathyroidism (PHPT) is characterized by inappropriately elevated serum parathyroid hormone (PTH) level despite elevated serum calcium. Insulin resistant is the basic pathophysiology, behind the higher prevalence of diabetes mellitus in patients with PHPT. However, the improvement in insulin resistance (IR) after curative parathyroidectomy (CPTX) has not been established yet, as the study results are conflicting. MATERIALS AND METHODS: In this prospective interventional study, ten patients with mild PHPT (Group 1) and another ten patients with moderate to severe PHPT (Group 2) were undergone CPTX...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27867866/indocyanine-green-enhanced-fluorescence-for-assessing-parathyroid-perfusion-during-thyroidectomy
#8
REVIEW
Matteo Lavazza, Xiaoli Liu, Chewei Wu, Angkoon Anuwong, Hoon Yub Kim, Renbin Liu, Gregory W Randolph, Davide Inversini, Luigi Boni, Stefano Rausei, Francesco Frattini, Gianlorenzo Dionigi
Identification of the parathyroid glands during thyroid surgery may prevent their inadvertent surgical removal and thus provide a better postoperative quality of life. Nevertheless, the most common "technique" for intraoperative evaluation of perfusion of parathyroid gland tissues during thyroid surgery is visual inspection of the physical condition of tissues, e.g., their color and bleeding edges. Another technique is measurement of intact parathyroid hormone. Recently, indocyanine green-enhanced fluorescence has been used in various surgical techniques, particularly laparoscopic surgery, to improve visualization and to provide detailed anatomical information...
October 2016: Gland Surgery
https://www.readbyqxmd.com/read/27867861/intraoperative-neural-monitoring-in-thyroid-surgery-lessons-learned-from-animal-studies
#9
REVIEW
Che-Wei Wu, Gregory W Randolph, I-Cheng Lu, Pi-Ying Chang, Yi-Ting Chen, Pao-Chu Hun, Yi-Chu Lin, Gianlorenzo Dionigi, Feng-Yu Chiang
Recurrent laryngeal nerve (RLN) injury remains a significant morbidity associated with thyroid and parathyroid surgery. In the past decade, surgeons have increasingly used intraoperative neural monitoring (IONM) as an adjunct technique for localizing and identifying the RLN, detecting RLN injury, and predicting the outcome of vocal cord function. In recent years, many animal studies have investigated common pitfalls and new applications of IONM. For example, the use of IONM technology in animal models has proven valuable in studies of the electrophysiology of RLN injury...
October 2016: Gland Surgery
https://www.readbyqxmd.com/read/27861939/changes-in-electromyographic-amplitudes-but-not-latencies-occur-with-endotracheal-tube-malpositioning-during-intraoperative-monitoring-for-thyroid-surgery-implications-for-guidelines
#10
Samuel R Barber, Whitney Liddy, Natalia Kyriazidis, Matteo Cinquepalmi, Brian M Lin, Rahul Modi, Stephanie Patricio, Dipti Kamani, Carlo Belotti, Sadhana Mahamad, Bradley Lawson, Gregory W Randolph
OBJECTIVES/HYPOTHESIS: During intraoperative neural monitoring (IONM) in thyroid and parathyroid surgery, endotracheal (ET) tube migration can result in a decrease in vocalis electromyographic (EMG) amplitude without a concordant latency elevation during stimulation of the recurrent laryngeal nerve (RLN). STUDY DESIGN: Retrospective review. METHODS: Data were reviewed retrospectively for thyroid and parathyroid surgery patients with IONM of the laryngeal nerves from January 2015 to December 2015...
November 16, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27861937/electrophysiological-identification-of-nonrecurrent-laryngeal-nerves
#11
Emad Kandil, Muhammad A Anwar, Jeremy Bamford, Rizwan Aslam, Gregory W Randolph
OBJECTIVES/HYPOTHESIS: The nonrecurrent laryngeal nerve (NRLN) is a common anatomic variation of the right recurrent laryngeal nerve (RLN), which has been associated with an increased risk of injury during thyroid and parathyroid surgery. We suggest that early successful identification using intraoperative nerve monitoring (IONM) and preservation of this variant will help the surgeon to avoid injury to this nerve. Our objective was to examine the electrophysiological parameters of the NRLN and the efficacy of IONM for successful identification of the NRLN...
November 15, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27861338/enhanced-identification-and-functional-protective-role-of-carbon-nanoparticles-on-parathyroid-in-thyroid-cancer-surgery-a-retrospective-chinese-population-study
#12
Chenlei Shi, Bo Tian, Shengze Li, Tiefeng Shi, Huadong Qin, Shaoyan Liu
The aim of this study was to determine the effects of nanocarbon particles in combination with meticulous capsular dissection on enhancing the identification and protecting the function of parathyroid glands in thyroid cancer surgery.The data of 97 patients with papillary thyroid tumors diagnosed and treated at the Second Affiliated Hospital, Harbin Medical University between January 2014 and February 2015 were reviewed. Data regarding the sex, age, calcium and parathyroid hormone (PTH) levels, tumor size, multifocality, T stage, and extrathyroid invasion were collected...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27857527/primary-hyperparathyroidism-jaw-tumor-syndrome-a-confusing-and-forgotten-diagnosis
#13
Doina Piciu, Andra Piciu, Elena Barbus, Claudiu Pestean, Maria Iulia Larg, Bogdan Fetica
BACKGROUND: Primary hyperparathyroidism is caused by the excessive growth of parathormone secretion, its consequence being hypercalcemia. The parathyroid adenoma is responsible for over half of primary hyperparathyroidism cases. The mandibular tumor can be the initial sign in the case of primary hyperparathyroidism. CASE PRESENTATION: We present the case of a 33 year old patient with history of a mandibular operated tumor, repetitive pathological fractures and hypercalcemia manifestations...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27855990/-parathyroid-disease-the-full-spectrum-from-adenoma-to-carcinoma-report-of-3-cases
#14
Enrique Stoopen-Margain, Sofía Valanci-Aroesty, Leopoldo Castañeda-Martínez, Javier Baquera-Heredia, Juan Carlos Sainz-Hernández
BACKGROUND: Primary hyperparathyroidism is a disease characterised by the autonomous production of parathyroid hormone. The most common cause is an adenoma, followed by hyperplasia, and rarely carcinoma. CLINICAL CASES: Three cases are presented. The first case is associated with a brown tumour that was diagnosed as hyperplasia after study and surgery. The second case was related to pathological fractures, and a lower right adenoma 236 times bigger than a normal parathyroid was excised...
November 14, 2016: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/27847384/parathyroid-hormone-induced-bone-marrow-mesenchymal-stem-cell-chondrogenic-differentiation-and-its-repair-of-articular-cartilage-injury-in-rabbits
#15
Yushu Chen, Yi Chen, Shujiang Zhang, Xiufan Du, Bo Bai
BACKGROUND We explored the effect of parathyroid hormone (PTH)-induced bone marrow stem cells (BMSCs) complexed with fibrin glue (FG) in the repair of articular cartilage injury in rabbits. MATERIAL AND METHODS Forty-eight rabbits randomized into four groups were subjected to articular surgery (cartilage loss). The PTH and non-PTH intervention groups included transplantation with PTH/BMSC/FG xenogeneic and BMSC/FG xenogeneic complexes, respectively, into the injured area. The injured group contained no transplant while the control group comprised rabbits without any articular injury...
November 16, 2016: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/27846184/minimal-endoscope-assisted-thyroidectomy-through-a-retroauricular-approach-an-evolving-solo-surgery-technique
#16
Myung Jin Ban, Jae Won Chang, Won Shik Kim, Hyung Kwon Byeon, Yoon Woo Koh, Jae Hong Park
This study aimed to evaluate the feasibility and efficacy of minimal endoscope-assisted thyroidectomy (MEAT) through a retroauricular (RA) approach. Most of the thyroidectomy operative time was accounted for by direct visualization through the RA window, minimizing interference between surgical instruments. Endoscope use was minimized and limited to critical surgical aspects, including preservation of the recurrent laryngeal nerve and parathyroid glands. The recurrent laryngeal nerve was neuromonitored throughout the procedure...
November 11, 2016: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/27844237/intraoperative-near-infrared-autofluorescence-imaging-of-parathyroid-glands
#17
Roland Ladurner, Sandra Sommerey, Nora Al Arabi, Klaus K J Hallfeldt, Herbert Stepp, Julia K S Gallwas
OBJECTIVE: To identify parathyroid glands intraoperatively by exposing their autofluorescence using near-infrared light. METHODS: Fluorescence imaging was carried out during minimally invasive and open parathyroid and thyroid surgery. After identification, the parathyroid glands as well as the surrounding tissue were exposed to near-infrared (NIR) light with a wavelength of 690-770 nm using a modified Karl Storz near-infrared/indocyanine green (NIR/ICG) endoscopic system...
November 14, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27834132/surgical-management-of-medullary-thyroid-carcinoma-in-pediatric-age
#18
Claudio Spinelli, Leonardo Rossi, Silvia Strambi, Jessica Piscioneri, Rossella Elisei, Maura Massimino, Paolo Miccoli
Medullary thyroid carcinoma (MTC) is a rare, accounting for 5% of thyroid malignancies. It is a neuroendocrine tumor wich origins from thyroid parafollicular cells. It may be sporadic, mostly in adult patients, or inherited as autosomal dominant pattern, mostly in pediatric patients. As familial cancer, MTC may presented isolated as familial medullary thyroid carcinoma (FMTC) - 10% of cases - or, most often, as part of multiple endocrine neoplasm type 2 (MEN 2A or MEN 2B) syndromes - 90% of cases. The therapy for sporadic or hereditary MTC is surgical resection and consists in total thyroidectomy associated with central compartment lymph nodal dissection; the radicality of this intervention is fundamental to obtain a definitive cure...
November 11, 2016: Current Pediatric Reviews
https://www.readbyqxmd.com/read/27834016/is-c-11-methionine-pet-ct-able-to-localise-sestamibi-negative-parathyroid-adenomas
#19
Theresia Weber, Martin Gottstein, Sabrina Schwenzer, Ambros Beer, Markus Luster
BACKGROUND: Patients with primary hyperparathyroidism (pHPT) and a negative preoperative Tc-99 sestamibi (MIBI) scintigraphy are considered to have a higher risk of persistent disease. The aim of this study was to assess whether additional imaging with C-11 methionine positron emission tomography/computed tomography (Met-PET/CT) is able to localise sestamibi-negative hyperfunctioning parathyroid glands. METHODS: In 50 patients (38 females, 12 males, age 13-81 years) with pHPT and negative localisation procedures such as ultrasound and sestamibi, a Met-PET/CT was performed before parathyroid surgery...
November 10, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27832469/management-of-concomitant-hyperparathyroidism-and-thyroid-diseases-in-the-elderly-patients-a-retrospective-cohort-study
#20
Alessandra Panarese, Vito D'Andrea, Stefano Pontone, Pasqualino Favoriti, Daniele Pironi, Stefano Arcieri, Angelo Filippini, Salvatore Sorrenti
BACKGROUND: Thyroid disease and hyperparathyroidism are the most common endocrine disorders. The incidence of thyroid disease in patients with hyperparathyroidism ranges in the different series from 17 to 84%, and thyroid cancer occurs with an incidence ranging from 2 to 15%. AIM: The aim of our study was to analyze the management of elderly patients with concomitant thyroid and parathyroid disease in order to define the best surgical therapeutic strategy and avoid reoperations associated with a higher risk of complications...
November 10, 2016: Aging Clinical and Experimental Research
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