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Parathyroid adenoma

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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/27872158/filamin-a-is-reduced-and-contributes-to-the-casr-sensitivity-in-human-parathyroid-tumors
#4
Alessandra Mingione, Chiara Verdelli, Stefano Ferrero, Valentina Vaira, Vito Guarnieri, Alfredo Scillitani, Leonardo Vicentini, Gianni Balza, Edoardo Beretta, Annalisa Terranegra, Giuseppe Vezzoli, Laura Soldati, Sabrina Corbetta
Parathyroid tumors display reduced sensitivity to extracellular calcium ([Ca2+]o). [Ca2+]o activates calcium-sensing receptor (CASR), which interacts with the scaffold protein filamin A (FLNA). The study aimed to investigate: 1) the FLNA expression in human parathyroid tumors, 2) its effects on the CASR mRNA and protein expression, and 3) on ERK signaling activation, 4) the effect of the carboxy-terminal CASR variants and 5) of the treatment with the CASR agonist R568 on FLNA-mediated ERK phosphorylation in HEK293 cells...
November 21, 2016: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/27867896/synchronous-parathyroid-adenoma-and-papillary-thyroid-cancer-detected-on-99m-tc-sestamibi-scintigraphy
#5
Sameer Kamalakar Taywade, Nishikant A Damle, Madhavi Tripathi, Shipra Agarwal, Sameer Aggarwal
No abstract text is available yet for this article.
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27863779/how-long-should-we-follow-patients-after-apparently-curative-parathyroidectomy
#6
Irene Lou, Courtney Balentine, Samuel Clarkson, David F Schneider, Rebecca S Sippel, Herbert Chen
BACKGROUND: Little is known about the long-term recurrence risk for primary hyperparathyroidism after immediately "curative" parathyroidectomy. This study aimed to evaluate the risk of recurrent hyperparathyroidism in the 10 years after operation. METHOD: We retrospectively identified patients with sporadic primary hyperparathyroidism undergoing initial parathyroidectomy between November 1, 2000 and June 30, 2005. Recurrence was defined as serum calcium >10...
November 15, 2016: Surgery
https://www.readbyqxmd.com/read/27857527/primary-hyperparathyroidism-jaw-tumor-syndrome-a-confusing-and-forgotten-diagnosis
#7
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
#8
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/27852814/spontaneous-proliferative-and-neoplastic-lesions-in-thyroid-and-parathyroid-glands-of-nondomestic-felids
#9
Jenny P Pope, James Steeil, Edward C Ramsay, Danielle Reel, Shelley J Newman
Based on microscopic and immunohistochemical characterization, we documented spontaneous proliferative and neoplastic lesions in the thyroid and parathyroid glands of nondomestic felids. Ten animals (4 leopards, 3 tigers, and 3 cougars), all with a previous diagnosis of thyroid neoplasia were identified from the University of Tennessee College of Veterinary Medicine database. The mean age of affected animals was 15.9 y. Twelve neoplasms were identified; 2 animals had 2 concurrent neoplasms. After immunohistochemical characterization using a panel of chromogranin A, thyroglobulin, and calcitonin, 7 of the former thyroid neoplasms were diagnosed as thyroid adenomas, 1 was diagnosed as a thyroid carcinoma, and 4 were diagnosed as parathyroid adenomas...
November 15, 2016: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/27847154/primary-hyperparathyroidism-predicts-hypertension-results-from-the-national-inpatient-sample
#10
A Kalla, P Krishnamoorthy, A Gopalakrishnan, J Garg, N C Patel, V M Figueredo
INTRODUCTION: Primary hyperparathyroidism (pHPT), most commonly caused by solitary parathyroid adenomas, leads to mobilization of calcium and is known to result in nephrolithiasis and osteoporosis. To date, studies of pHPT and cardiovascular risk factors and events have produced discrepant findings, likely due to small sample sizes and enrolling populations with varying disease severity. HYPOTHESIS: We utilized a national registry, hypothesizing an association between pHPT and cardiovascular risk factors and events...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27847113/differences-in-single-gland-and-multigland-disease-are-seen-in-low-biochemical-profile-primary-hyperparathyroidism
#11
James Y Lim, Max C Herman, Lev Bubis, Irene Epelboym, John D Allendorf, John A Chabot, James A Lee, Jennifer H Kuo
BACKGROUND: Primary hyperparathyroidism is characterized by increased levels of serum calcium and parathyroid hormone. Recently, 2 additional mild biochemical profiles have emerged, normocalcemic and normohormonal primary hyperparathyroidism. We reviewed our surgical experience of mild biochemical profile patients and compared them with classic primary hyperparathyroidism patients. METHODS: This is a single institution, retrospective cohort review of all patients who underwent parathyroidectomy for primary hyperparathyroidism from 2006-2012...
November 12, 2016: Surgery
https://www.readbyqxmd.com/read/27844237/intraoperative-near-infrared-autofluorescence-imaging-of-parathyroid-glands
#12
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/27834016/is-c-11-methionine-pet-ct-able-to-localise-sestamibi-negative-parathyroid-adenomas
#13
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/27833332/erratum-utility-of-18f-choline-photon-emission-tomography-computed-tomography-in-the-diagnosis-of-parathyroid-adenoma
#14
(no author information available yet)
[This corrects the article on p. 207 in vol. 31, PMID: 27385893.].
October 2016: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/27833320/the-diagnostic-and-therapeutic-challenges-in-the-management-of-a-double-giant-parathyroid-adenoma
#15
Arvind Krishnamurthy, Urmila Majhi, Gomadaam Kuppusamy Rangarajan, Vijayalakshmi Ramshankar, Ramachandran Krishna Kumar
Primary hyperparathyroidism is a common endocrine disorder of the parathyroid gland. It is mostly seen as a single gland adenoma in up to 85% of the cases with the excess production of parathyroid hormone. Double adenomas although reported are very rare and double giant parathyroid adenomas are even rarer. We possibly report the second case in the literature of primary hyperparathyroidism caused by double giant parathyroid adenomas, presenting with severe symptomatic hypercalcemia and review the diagnostic and therapeutic challenges in its management...
October 2016: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/27824326/99mtc-sestamibi-avid-soft-tissue-lesions-in-rosai-dorfman-disease
#16
Philip Kin-Wai Wong, Daniel J Lee, Saul Harari, Bruce J Barron
Langerhan's histiocytosis is a not uncommon disease, but a related disorder, Rosai-Dorfman (RDD) with extensive or exclusive extranodal distribution, is relatively rare. Ga and PET/CT imaging have typically been used for diagnosis and tracking response to treatment. The authors present a very unusual case wherein lesions of RDD actively accumulated Tc-sestamibi, which was injected as part of a scan to localize a parathyroid adenoma.
December 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27822452/multiple-endocrine-neoplasia-similar-to-human-subtype-2a-in-a-dog-medullary-thyroid-carcinoma-bilateral-pheochromocytoma-and-parathyroid-adenoma
#17
E A Soler Arias, V A Castillo, R H Trigo, M E Caneda Aristarain
Human multiple endocrine neoplasia subtype 2A (MEN 2A) is characterized by medullary thyroid carcinoma, pheochromocytoma and parathyroid hyperplasia or adenoma in the same individual. In this report, a case of a female Rottweiler with medullary thyroid carcinoma, bilateral pheochromocytoma and parathyroid adenoma was described. Clinical manifestations of muscle weakness, polydipsia, polyuria, diarrhea and weight loss were observed. Two adrenal neoplasms were identified incidentally by ultrasonography, and tumor in the left thyroid lobe was identified by palpation...
2016: Open veterinary journal
https://www.readbyqxmd.com/read/27819859/spect-ct-s-advantage-for-preoperative-localization-of-small-parathyroid-adenomas-in-primary-hyperparathyroidism
#18
Patricia Sandqvist, Inga-Lena Nilsson, Per Grybäck, Alejandro Sanchez-Crespo, Anders Sundin
PURPOSES: The aims of this study were to assess the performance of Tc-sestamibi SPECT/CT, with diagnostic CT quality, compared with SPECT alone for preoperative localization of parathyroid adenomas and to assess the influence of adenoma weight on the correct adenoma lateralization with SPECT/CT and with SPECT alone. METHODS: Two hundred forty-nine consecutive patients, biochemically diagnosed with primary hyperparathyroidism, were examined with a combined SPECT/CT scanner...
November 4, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27813617/semi-quantitative-method-for-the-assessment-of-focal-lesions-in-parathyroid-scintigraphy-with-relation-to-histopathology-a-prospective-study
#19
Maria Henryka Listewnik, Hanna Piwowarska-Bilska, Mirela Kurantowicz, Marek Ostrowski, Andrzej Borowiecki, Krzysztof Safranow, Krystyna Jasiakiewicz, Jacek Iwanowski, Maria Chosia, Maria Laszczyńska, Bożena Birkenfeld
BACKGROUND: The aim of this paper was to analyse our own semi-quantitative method of assessing focal lesions localised in pre-operative diagnostic scintigraphy of primary hyperparathyroidism (PHPT) using 99mTc-MIBI with washout and comparing these data with the result of the histopathological examination (HP). MATERIAL AND METHODS: A total of 40 (37 female, 3 male, average age 58.7 years) patients with a suspicion of PHPT were enrolled for prospective analysis. Dual phase planar and SPECT/CT examination with 99mTc-MIBI were performed...
November 4, 2016: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/27812061/a-new-technique-to-simplify-the-minimally-invasive-parathyroidectomy-ultrasound-assisted-guided-wire-localization-for-solitary-parathyroid-adenomas
#20
Faruk Ozkul, Muhammed Kasim Arik, Mustafa Eroglu, Umut Faydaci, Huseyin Toman, Sukru Tas, Kubilay Ukinc, Mehmet Asik
OBJECTIVE: To investigate the benefits of ultrasound-assisted guided wire localization in MIP for selected cases. METHODS: In this prospective, nonrandomised study, we included 36 patients with solitary parathyroid adenomas diagnosed preoperatively by 99m Tc sesta MIBI scintigraphy and/or neck ultrasonography. An ultrasound-guided wire was placed in the solitary parathyroid adenoma preoperatively. MIPs were performed under local anaesthesia plus sedation. After the excision, the parathyroidectomy was confirmed with postoperative ultrasonography...
November 2016: JPMA. the Journal of the Pakistan Medical Association
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