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Parathyroid carcinoma

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https://www.readbyqxmd.com/read/28217943/fine-needle-cytology-pre-surgical-differentiation-of-parathyroid-neoplasms-is-it-reliable
#1
A Caleo, M Vitale, L Valvano, M Siano, B Angrisani, M Forlenza, A Massari, A Puzziello, F Salzano, P Zeppa
BACKGROUND: Fine needle cytology (FNC) of a parathyroid neoplasia (PN) is reliable, but needs to be confirmed by Parathormone (PTH) and Thyroglobulin (TG) immunoassay on needle washing or by immunocytochemistry (ICC) evaluation. The differentiation between parathyroid adenoma (PA), atypical adenoma (PAA) and carcinoma (PC) is difficult on histology or even impossible on FNC. The aim of this study was to evaluate possible cytological criteria to classify FNC-PN further. METHODS: Twenty-three FNC samples of PN and parathyroid cysts were rather then have been reviewed...
February 20, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28134691/parathyroid-adenoma-mimicking-a-malignant-lymph-node-on-18f-choline-pet-ct
#2
Bliede Van den Broeck, Daan De Maeseneer, Ruth De Gersem, Kathia De Man
Prostate carcinoma is the most common cancer in men. After local therapy, disease recurs in many patients. A choline PET/CT is indicated in case of biochemical relapse of prostate carcinoma to determine the site of recurrence (local and/or distant) and to help select the next line of therapy. Choline PET-CT is also known to show an elevated uptake in hyperfunctioning parathyroid adenoma. This case report shows the difficulty to distinguish between both entities if they occur simultaneously in an oncologic patient...
January 27, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28131138/primary-hyperparathyroidism-effects-on-bone-health
#3
REVIEW
Kyle A Zanocco, Michael W Yeh
Primary hyperparathyroidism (PHPT) is the most common cause of chronic hypercalcemia. With the advent of routine calcium screening, the classic presentation of renal and osseous symptoms has been largely replaced with mild, asymptomatic disease. In hypercalcemia caused by PHPT, serum parathyroid hormone levels are either high, or inappropriately normal. A single-gland adenoma is responsible for 80% of PHPT cases. Less frequent causes include 4-gland hyperplasia and parathyroid carcinoma. Diminished bone mineral density and nephrolithiasis are the major current clinical sequelae...
March 2017: Endocrinology and Metabolism Clinics of North America
https://www.readbyqxmd.com/read/28120940/parathyroid-hormone-like-hormone-is-a-poor-prognosis-marker-of-head-and-neck-cancer-and-promotes-cell-growth-via-runx2-regulation
#4
Wei-Min Chang, Yuan-Feng Lin, Chia-Yi Su, Hsuan-Yu Peng, Yu-Chan Chang, Jenn-Ren Hsiao, Chi-Long Chen, Jang-Yang Chang, Yi-Shing Shieh, Michael Hsiao, Shine-Gwo Shiah
Parathyroid Hormone-Like Hormone (PTHLH) is an autocrine/paracrine ligand that is up-regulated in head and neck squamous cell carcinoma (HNSCC). However, the cellular function and regulatory mechanism in HNSCC remains obscure. We investigated the clinical significance of PTHLH in HNSCC patients, and verified the role of RUNX2/PTHLH axis, which is stimulated HNSCC cell growth. In patients, PTHLH is a poor prognosis marker. PTHLH expression lead to increasing the cell proliferation potential through an autocrine/paracrine role and elevating blood calcium level in Nod-SCID mice...
January 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28099363/different-ret-gene-mutation-induced-multiple-endocrine-neoplasia-type-2a-in-3-chinese-families
#5
Qiuli Liu, Dali Tong, Wenqiang Yuan, Gaolei Liu, Gang Yuan, Weihua Lan, Dianzheng Zhang, Jun Zhang, Zaoming Huang, Yao Zhang, Jun Jiang
BACKGROUD: Multiple endocrine neoplasia type 2A (MEN2A) is a condition with inherited autosomal dominant mutations in RET (rearranged during transfection) gene that predisposes the carrier to extremely high risk of medullary thyroid cancer (MTC) and other MEN2A-associated tumors such as parathyroid cancer and/or pheochromocytoma. Little is reported about MEN2A syndrome in the Chinese population. METHODS: All members of the 3 families along with specific probands of MEN2A were analyzed for their clinical, laboratory, and genetic characteristics...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28070481/lung-adenocarcinoma-and-adrenocortical-carcinoma-in-a-patient-with-multiple-endocrine-neoplasia-type-1
#6
Nobumasa Ohara, Masanori Kaneko, Masahiro Ikeda, Fumio Ishizaki, Kazuya Suzuki, Ryo Maruyama, Takeshi Komeyama, Kazuhiro Sato, Kenichi Togashi, Hiroyuki Usuda, Yuto Yamazaki, Hironobu Sasano, Kenzo Kaneko, Kyuzi Kamoi
Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominant disorder caused by heterozygous germline mutations in the tumor suppressor gene MEN1, which encodes a nuclear protein, menin. MEN1 is characterized by the combined occurrence of tumors involving the pituitary gland, pancreatic islets, and parathyroid glands. Additionally, patients with MEN1 often exhibit adrenal tumors. Although most MEN1-associated tumors are benign, malignant lesions arising in these endocrine organs have been reported. Additionally, malignant diseases of non-endocrine organs concomitant with MEN1 have also been reported...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28061891/the-dangers-of-parathyroid-biopsy
#7
Joanne Kim, Gilad Horowitz, Michael Hong, Mario Orsini, Sylvia L Asa, Kevin Higgins
BACKGROUND: We report an unusual case of a 66-year-old female with a suspicious thoracic outlet mass presenting with severe biochemical hyperparathyroidism and classic hypercalcemic symptoms of renal and bone involvement. CASE PRESENTATION: There was clinical suspicion for parathyroid carcinoma, further supported by intra-operative findings. However, the final pathology described a primary hyperceullar parathyroid lesion with pathognomonic changes secondary to fine-needle aspiration (FNA) biopsy, along with a separate parathyroid lesion likely resulting from seeding along the needle tract...
January 7, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28051330/g-protein-alpha-s-subunit-promotes-cell-proliferation-of-renal-cell-carcinoma-with-involvement-of-protein-kinase-a-signaling
#8
Bo Zhang, Nan Sun, Xin Mu, Lei Zhi, Lei Zhai, Yuan Jiang, Zheng Fu, Zhi Yao
Heterotrimeric G proteins, which are composed of Gα and Gβγ subunits, transduce signals sensed by the coupled surface receptors. Aberrant expressions of G proteins have been observed in many cancer types. This study aimed to determine the expression level of the stimulatory G protein alpha S subunit (Gαs, the main transcript encoded by the GNAS locus) and its biological function in renal cell carcinoma (RCC). Western blotting and quantitative reverse transcription-PCR results show that Gαs expression dramatically increased in RCC cell lines (ACHN, GRC-1, and 786-O) compared to normal renal epithelial cells HK-2...
January 4, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28030842/loss-of-runx3-expression-inhibits-bone-invasion-of-oral-squamous-cell-carcinoma
#9
Junhee Park, Hyun-Jeong Kim, Ki Rim Kim, Sun Kyoung Lee, Hyungkeun Kim, Kwang-Kyun Park, Won-Yoon Chung
High recurrence and lower survival rates in patients with oral squamous cell carcinoma (OSCC) are associated with its bone invasion. We identified the oncogenic role of RUNX3 during bone invasion by OSCC. Tumor growth and the generation of osteolytic lesions were significantly inhibited in mice that were subcutaneously inoculated with RUNX3-knockdown human OSCC cells. RUNX3 knockdown enhanced TGF-β-induced growth arrest and inhibited OSCC cell migration and invasion in the absence or presence of transforming growth factor-β (TGF-β), a major growth factor abundant in the bone microenvironment...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28011856/denosumab-is-a-long-term-option-for-the-management-of-parathyroid-carcinoma-related-refractory-hypercalcemia
#10
A Fountas, S Tigas, A Tsatsoulis
No abstract text is available yet for this article.
December 22, 2016: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28011854/denosumab-as-a-long-term-palliative-therapy-in-parathyroid-carcinoma
#11
C V Tong, L T Loh, Z Hussein
No abstract text is available yet for this article.
December 22, 2016: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/27989915/application-of-carbon-nanoparticles-accelerates-the-rapid-recovery-of-parathyroid-function-during-thyroid-carcinoma-surgery-with-central-lymph-node-dissection-a-retrospective-cohort-study
#12
Bin Wang, Zhi-Peng Du, Nian-Cun Qiu, Miao-E Liu, Sheng Liu, Dao-Zhen Jiang, Wei Zhang, Ming Qiu
BACKGROUND AND OBJECTIVES: The aim of this study was to evaluate the efficacy of carbon nanoparticles in identifying lymph nodes and promoting parathyroid gland function recovery after thyroid carcinoma surgery along with central lymph node dissection. METHODS: A total of 231 patients who underwent thyroid carcinoma surgery combined with central lymph node dissection were divided into two groups: the CN group (intraoperative carbon nanoparticles injections) and the control group (no injection)...
October 27, 2016: International Journal of Surgery
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
#13
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 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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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...
January 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/27846184/minimal-endoscope-assisted-thyroidectomy-through-a-retroauricular-approach-an-evolving-solo-surgery-technique
#20
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...
December 2016: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
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