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Parathyroid carcinoma

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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/27899986/metastasis-of-renal-cell-carcinoma-to-the-parathyroid-gland-16-years-after-radical-nephrectomy-a-case-report
#2
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/27895794/trousseau-s-syndrome-caused-by-bladder-cancer-producing-granulocyte-colony-stimulating-factor-and-parathyroid-hormone-related-protein-a-case-report
#3
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
#4
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/27864717/intraoperative-localization-of-the-parathyroid-glands-with-indocyanine-green-and-firefly-r-technology-during-baba-robotic-thyroidectomy
#5
Hyeong Won Yu, Joon Woo Chung, Jin Wook Yi, Ra-Yeong Song, Joon-Hyop Lee, Hyungju Kwon, Su-Jin Kim, Young Jun Chai, June Young Choi, Kyu Eun Lee
BACKGROUND: It is unclear whether near-infrared (NIR) light-induced indocyanine green (ICG) fluorescence can effectively identify, and thus permit the preservation of, parathyroid glands in bilateral axillo-breast approach (BABA) robotic thyroidectomy. This case-control study with a prospectively recruited consecutive series and a retrospectively selected control group assessed the usefulness of ICG with Firefly(R) technology to identify the parathyroid glands intraoperatively during BABA robotic thyroidectomy...
November 18, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27855990/-parathyroid-disease-the-full-spectrum-from-adenoma-to-carcinoma-report-of-3-cases
#6
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
#7
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/27846184/minimal-endoscope-assisted-thyroidectomy-through-a-retroauricular-approach-an-evolving-solo-surgery-technique
#8
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/27834132/surgical-management-of-medullary-thyroid-carcinoma-in-pediatric-age
#9
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/27822452/multiple-endocrine-neoplasia-similar-to-human-subtype-2a-in-a-dog-medullary-thyroid-carcinoma-bilateral-pheochromocytoma-and-parathyroid-adenoma
#10
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/27813050/long-term-follow-up-and-treatment-of-postoperative-permanent-hypoparathyroidism-in-patients-with-medullary-thyroid-carcinoma-differences-in-complete-and-partial-disease
#11
G Leidig-Bruckner, T Bruckner, F Raue, K Frank-Raue
This study aimed to identify factors influencing long-term outcome in complete or partial postoperative hypoparathyroidism (parathyroid hormone ≤10 or >10 ng/l, respectively) in medullary thyroid carcinoma (MTC). It was designed as retrospective, long-term follow-up with single-center outpatient visits. Quality of treatment, renal calcification, and function were evaluated. In 33 patients with MTC and postoperative hypoparathyroidism, current medication includes: calcium (73%), calcitriol (73%), alfacalcidol (6%), dihydrotachysterol (3%), and cholecalciferol supplements (21%)...
November 3, 2016: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/27801421/-cdc73-mutations-in-young-patients-with-primary-hyperparathyroidism-a-description-of-two-clinical-cases
#12
E O Mamedova, N G Mokrysheva, E A Pigarova, E G Przhiyalkovskaya, I A Voronkova, E V Vasil'ev, V M Petrov, V A Gorbunova, L Ya Rozhinskaya, Zh E Belaya, A N Tyul'pakov
The article describes two clinical cases of severe primary hyperparathyroidism (PHPT) caused by parathyroid carcinoma in young female patients who underwent molecular genetic testing to rule out the hereditary forms of PHPT. In both patients, heterozygous germline nonsense mutations of tumor suppressor gene CDC73 encoding parafibromin (p.R91X and p.Q166X) were identified using next-generation sequencing with Ion Torrent Personal Genome Machine (Thermo Fisher Scientific - Life Technologies, USA). It is the first description of CDC73 mutations in Russia, one of the mutations is described for the first time in the world...
2016: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/27777921/pathologic-fracture-of-the-femur-in-brown-tumor-induced-in-parathyroid-carcinoma-a-case-report
#13
Sang-Hyun Park, Gyu-Min Kong, Yong-Uk Kwon, Jun-Ho Park
Brown tumor refers to a change of skeletones that develops as a complication of hyperparathyroidism. As osteoclast is activated to stimulate reabsorption and fibrosis of bone, it causes a cystic change of the bone. Parathyroid carcinoma is being reported as a tumor that induces primary hyperparathyroidism. It causes excessive secretion of the parathyroid hormone and increases the blood parathyroid hormone and calcium. Bone deformation due to brown tumor is known to be naturally recovered through the treatment for hyperparathyroidism...
September 2016: Hip & Pelvis
https://www.readbyqxmd.com/read/27756436/acute-presentation-of-a-giant-intrathyroidal-parathyroid-adenoma-a-case-report
#14
Stephanie Rutledge, Michele Harrison, Martin O'Connell, Tadhg O'Dwyer, Maria M Byrne
BACKGROUND: We report the case of a giant intrathyroidal parathyroid adenoma weighing 59 g in a young woman presenting acutely with severe hypercalcemia requiring correction and adequate preoperative management prior to surgery. Parathyroid adenomas account for 85 % of cases of primary hyperparathyroidism. Those weighing more than 3.5g are classified as giant parathyroid adenomas. There are only 25 cases of parathyroid adenomas weighing over 30g reported in the literature. With the wide availability of biochemical screening tests in Western countries, mildly elevated calcium levels are often discovered incidentally...
October 19, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27753088/oncologic-progress-for-the-treatment-of-parathyroid-carcinoma-is-needed
#15
Ioannis Christakis, Angelica M Silva, Lily Joy Kwatampora, Carla L Warneke, Callisia N Clarke, Michelle D Williams, Elizabeth G Grubbs, Jeffrey E Lee, Naifa L Busaidy, Nancy D Perrier
BACKGROUND AND OBJECTIVES: Parathyroid carcinoma (PC) is rare but potentially lethal. No standardized staging system or treatment guidelines have been established. We aimed to determine whether management of PC and patient outcomes have changed at our institution over the past 35 years. METHODS: Retrospective review of patients with PC at our institution between 1980 and 2015. Patients were grouped by date of initial surgery: group 1, 1980-2001; group 2, 2002-2015...
November 2016: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27748287/spectrum-of-aids-defining-non-aids-defining-malignancies-in-north-india
#16
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/27744598/association-of-parathyroid-carcinoma-and-thyroid-disorders-a-clinical-review
#17
Alfredo Campennì, Salvatore Giovinazzo, Salvatore Antonio Pignata, Francesca Di Mauro, Domenico Santoro, Lorenzo Curtò, Francesco Trimarchi, Rosaria Maddalena Ruggeri, Sergio Baldari
Parathyroid carcinoma is a rare malignancy, which usually occurs as a sporadic disease, and less frequently in the setting of genetic syndromes. Despite the association of parathyroid and thyroid disorders being quite common, the coexistence of parathyroid carcinoma and thyroid disease is rare. We reviewed the pertinent literature. The terms "parathyroid carcinoma" and "thyroid disease, hyperthyroidism, thyrotoxicosis, hypothyroidism, thyroid nodule(s), Graves' disease, autonomously functioning thyroid nodules" were used both separately and in reciprocal conjunction to search MEDLINE for articles published from January 2007 to March 2016...
October 15, 2016: Endocrine
https://www.readbyqxmd.com/read/27743717/inadvertent-parathyroidectomy-during-total-thyroidectomy-and-central-neck-dissection-for-papillary-thyroid-carcinoma
#18
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
#19
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
#20
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
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