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Parathyroid cancer

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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
#1
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/27895794/trousseau-s-syndrome-caused-by-bladder-cancer-producing-granulocyte-colony-stimulating-factor-and-parathyroid-hormone-related-protein-a-case-report
#2
Tomonori Kato, Kenji Yasuda, Hiroaki Iida, Akihiko Watanabe, Yasuyoshi Fujiuchi, Shigeharu Miwa, Johji Imura, Akira Komiya
The present study reports a rare case of bladder cancer that caused Trousseau's syndrome, a malignancy-associated hypercoagulative state leading to venous or arterial thrombosis. A 38-year-old Japanese female patient experienced a sudden onset of visual field defects and lower limb weakness. Cerebral magnetic resonance imaging revealed multi-regional hypointense areas compatible with acute cerebral infarction. Despite the repeated administration of anticoagulant treatment with heparin, the condition could not be adequately controlled and thromboembolic events occasionally recurred...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27873072/cinacalcet-hydrochloride-relieves-hypercalcemia-in-japanese-patients-with-parathyroid-cancer-and-intractable-primary-hyperparathyroidism
#3
Yasuhiro Takeuchi, Shunsuke Takahashi, Daishu Miura, Makoto Katagiri, Noriaki Nakashima, Hiroko Ohishi, Ryutaro Shimazaki, Yoshihiro Tominaga
Pharmacological treatment of hypercalcemia is essential for patients with parathyroid carcinoma and intractable primary hyperparathyroidism (PHPT). Use of the calcimimetic cinacalcet hydrochloride (cinacalcet) is an option to treat such patients. We investigated the efficacy and safety of cinacalcet in Japanese patients with parathyroid carcinoma and intractable PHPT. Five Japanese patients with parathyroid carcinoma and two with intractable PHPT were enrolled in an open-label, single-arm study consisting of titration and maintenance phases...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27867896/synchronous-parathyroid-adenoma-and-papillary-thyroid-cancer-detected-on-99m-tc-sestamibi-scintigraphy
#4
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/27861338/enhanced-identification-and-functional-protective-role-of-carbon-nanoparticles-on-parathyroid-in-thyroid-cancer-surgery-a-retrospective-chinese-population-study
#5
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/27852699/analysis-of-ror1-protein-expression-in-human-cancer-and-normal-tissues
#6
Ashwini Balakrishnan, Tracy Goodpaster, Julie Randolph-Habecker, Benjamin G Hoffstrom, Florencia G Jalikis, Lisa K Koch, Carolina Berger, Paula L Kosasih, Anusha Rajan, Daniel Sommermeyer, Peggy Porter, Stanley R Riddell
PURPOSE: This study examines cell-surface ROR1 expression in human tumors and normal tissues. ROR1 is considered a promising target for cancer therapy due to putative tumor-specific expression and multiple groups are developing antibodies and/or chimeric antigen receptor-modified T cells to target ROR1. On-target, off-tumor toxicity is a challenge for most non-mutated tumor antigens, however prior studies suggest that ROR1 is absent on most normal tissues. EXPERIMENTAL DESIGN: Our studies show that published antibodies lack sensitivity to detect endogenous levels of cell-surface ROR1 by immunohistochemistry (IHC) in FFPE tissues...
November 16, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27834132/surgical-management-of-medullary-thyroid-carcinoma-in-pediatric-age
#7
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/27832469/management-of-concomitant-hyperparathyroidism-and-thyroid-diseases-in-the-elderly-patients-a-retrospective-cohort-study
#8
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
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
#9
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/27759629/potential-role-of-carbon-nanoparticles-in-protection-of-parathyroid-glands-in-patients-with-papillary-thyroid-cancer
#10
Wenbin Yu, Lijun Zhu, Guohui Xu, Yuntao Song, Guojun Li, Naisong Zhang
As a novel type of lymphatic tracer, carbon nanoparticles (CNs) were reported not to stain parathyroid glands (PGs) into black, so it may have a clinical potential in protection of PGs during thyroidectomy. The purpose of this study was to investigate the clinical application and significance of CN in protection of PGs from surrounding tissues.A total of 82 consecutive patients were enrolled into this study and were divided into CN group and control group. Parathyroid function (hypoparathyroidism and hypocalcemia) was evaluated...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27756251/analysis-of-the-kinetics-of-the-parathyroid-hormone-and-of-associated-patient-outcomes-in-a-cohort-of-haemodialysis-patients
#11
Guillaume Jean, Jean-Claude Souberbielle, Eric Zaoui, Christie Lorriaux, Jean-Marc Hurot, Brice Mayor, Patrik Deleaval, Manolie Mehdi, Charles Chazot
BACKGROUND: Observational studies have recently associated a decrease in serum parathyroid hormone (PTH) level with a higher rate of mortality among hemodialysis (HD) patients. Decreases in PTH level can result from medical intervention (MPD) and surgical parathyroidectomy (PTX), or may occur spontaneously, usually associated with an underlying malnutrition-inflammation syndrome (SPD). The aim of our study was to prospectively identify the incidence of decreases in PTH level in a cohort of HD patients and the frequency distribution of the different causes (MPD, PTX and SPD), as well as to evaluate the survival outcomes for each PTH group (MPD, PTX and SPD) compared to patients who did not experience a PTH decrease over the first 36 months of the study (NPD)...
October 18, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27748287/spectrum-of-aids-defining-non-aids-defining-malignancies-in-north-india
#12
Ravinder Kaur Sachdeva, Aman Sharma, Surjit Singh, Subhash Varma
BACKGROUND & OBJECTIVES: There is scarcity of data on the frequency of malignancies in HIV infected individuals from India. The objective of this study was to determine the type and frequency of malignancies in HIV infected individuals attending a tertiary care hospital in north India. METHODS: The study design included retrospective analysis of data of all HIV infected individuals registered in the Immunodeficiency clinic from December 2009 to December 2011 and a prospective analysis of HIV infected individuals registered from January 2012 to April 2013...
May 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/27746743/calcium-sensing-receptor-in-breast-physiology-and-cancer
#13
Wonnam Kim, John J Wysolmerski
The calcium-sensing receptor (CaSR) is expressed in normal breast epithelial cells and in breast cancer cells. During lactation, activation of the CaSR in mammary epithelial cells increases calcium transport into milk and inhibits parathyroid hormone-related protein (PTHrP) secretion into milk and into the circulation. The ability to sense changes in extracellular calcium allows the lactating breast to actively participate in the regulation of systemic calcium and bone metabolism, and to coordinate calcium usage with calcium availability during milk production...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27743717/inadvertent-parathyroidectomy-during-total-thyroidectomy-and-central-neck-dissection-for-papillary-thyroid-carcinoma
#14
Antonio Sitges-Serra, Lander Gallego-Otaegui, Sergio Suárez, Leyre Lorente-Poch, Assumpta Munné, Juan J Sancho
BACKGROUND: The main drawback of central neck lymph node dissection is postoperative parathyroid failure. Little information is available concerning inadvertent resection of the parathyroid glands in this setting and its relationship to postoperative hypoparathyroidism. Our aim was to determine the prevalence of inadvertent parathyroidectomy during total thyroidectomy and central neck dissection for papillary thyroid cancer and its impact on short-and long-term parathyroid function. METHODS: This was a prospective observational study of consecutive patients undergoing first-time total thyroidectomy with a central neck dissection for papillary carcinoma >10 mm...
October 13, 2016: Surgery
https://www.readbyqxmd.com/read/27738315/hedgehog-and-tgf%C3%AE-signaling-converge-on-gli2-to-control-bony-invasion-and-bone-destruction-in-oral-squamous-cell-carcinoma
#15
Shellese A Cannonier, Cara B Gonzales, Kim Ely, Scott A Guelcher, Julie A Sterling
Oral Squamous Cell Carcinoma (OSCC) is the sixth most common cancer worldwide. OSCC invasion into the lymph nodes and mandible correlates with increased rates of recurrence and lower overall survival. Tumors that infiltrate mandibular bone proliferate rapidly and induce bone destruction. While survival rates have increased 12% over the last 20 years, this improvement is attributed to general advances in prevention, earlier detection, and updated treatments. Additionally, despite decades of research, the molecular mechanisms of OSCC invasion into the mandible are not well understood...
October 12, 2016: Oncotarget
https://www.readbyqxmd.com/read/27737327/the-coexistence-of-hypercalcemia-and-hypoglycemia-in-a-patient-with-a-renal-tumor-and-b-cell-lymphoma
#16
Jimena Soutelo, Sofía Moldes, Cielo Frisone, Laura Salvá, Cecilia Agostinis, Gabriel Faraj
Paraneoplastic syndromes are a heterogeneous group of malignant diseases caused by events which involve endocrine, immune and metabolic aspects and whose symptoms vary according to the substance produced and the primary tumor. Hypercalcemia is a frequent complication in cancer patients. Prognosis of cancer patients with hypercalcemia is usually poor. A factor called parathyroid hormone related peptide, whose actions are similar to those of the parathyroid hormone, is thought to be the most common cause of malignancy associated hypercalcemia...
October 10, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27716304/appropriate-vitamin-d-loading-regimen-for-patients-with-advanced-lung-cancer
#17
L John Hoffer, Line Robitaille, Nelda Swinton, Jason Agulnik, Victor Cohen, David Small, Carmela Pepe, Shaun Eintracht
BACKGROUND: Most patients attending cancer clinics have hypovitaminosis D. Correcting or preventing this abnormal condition could mitigate the emotional and physical complications of their disease, but clinical trials of vitamin D therapy in this setting are hindered by the unavailability of safe, effective and practical loading dose regimens. METHODS: In this single arm open-label pharmacokinetic trial, outpatients with advanced lung cancer consumed 20,000 IU vitamin D daily with the largest meal of the day for 14 days followed by 10,000 IU per day for a further 7 days...
October 6, 2016: Nutrition Journal
https://www.readbyqxmd.com/read/27693810/first-case-of-roll-technique-for-mesorectal-recurrence-excision
#18
Lina Garcia, Luis Tresierra, Marjorie Garcerant, Hipolito Duran, Benedetto Ielpo, Eduardo Diaz, Isabel Fabra, Riccardo Caruso, Luis Malavé, Ana Bello, Susana Prados, Susana Tabernero, Yolanda Quijano, Emilio Vicente
The radio-guided occult lesion localization (ROLL) technique has been in use since the mid-1990s, mainly in breast surgery. Today, ROLL is used for numerous oncologic pathologies, including parathyroid lesions, melanomas, and colorectal tumors. We report a patient with an 11-mm left mesorectal solitary recurrence of a primary ovarian cancer in whom the ROLL technique was used to identify the implant. A radioisotope was introduced through a 22-gauge needle with endoscopic ultrasound technique using an linear echo endoscope...
September 30, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27692178/the-calcium-sensing-receptor-in-health-and-disease
#19
G Díaz-Soto, A Rocher, C García-Rodríguez, L Núñez, C Villalobos
The extracellular calcium-sensing receptor (CaSR) is a unique G protein-coupled receptor (GPCR) activated by extracellular Ca(2+) and by other physiological cations including Mg(2+), amino acids, and polyamines. CaSR is the most important master controller of the extracellular Ca(2+) homeostatic system being expressed at high levels in the parathyroid gland, kidney, gut and bone, where it regulates parathyroid hormone (PTH) secretion, vitamin D synthesis, and Ca(2+) absorption and resorption, respectively. Gain and loss of function mutations in the CaSR are responsible for severe disturbances in extracellular Ca(2+) metabolism...
2016: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/27688901/correlation-between-blood-magnesium-and-calcium-concentration-in-patients-treated-with-an-anti-egfr-antibody
#20
Toshiyasu Tsujii, Takafumi Ogaki, Kaori Nakae, Kiyotaka Imai, Daisuke Kise, Shoji Tada, Hiroki Ueda, Masahiro Moriyama
BACKGROUND: Hypomagnesemia is one of the characteristic side effects of the human anti-epidermal growth factor receptor (EGFR) monoclonal antibodies, cetuximab and panitumumab. The major mechanism of anti-EGFR antibody-related hypomagnesemia is suppression of EGFR-mediated urinary Mg(2+) reabsorption in both the renal tubule the intestinal tract. Since Mg(2+) is known to affect blood Ca(2+) levels through regulation of parathyroid hormone (PTH) secretion, we investigated the correlation between Ca(2+) and Mg(2+) concentration in blood...
2016: Journal of Pharmaceutical Health Care and Sciences
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