keyword
MENU ▼
Read by QxMD icon Read
search

Parathyroid carcinoma

keyword
https://www.readbyqxmd.com/read/28427885/prognostic-scoring-system-to-risk-stratify-parathyroid-carcinoma
#1
Angelica M Silva-Figueroa, Kenneth R Hess, Michelle D Williams, Callisia N Clarke, Ioannis Christakis, Paul H Graham, Elizabeth G Grubbs, Jeffrey E Lee, Naifa L Busaidy, Nancy D Perrier
BACKGROUND: Parathyroid carcinoma is a rare endocrine malignancy that lacks an established system for risk categorization. This study evaluated a prognostic scoring system for recurrence-free survival (RFS) of patients with parathyroid carcinoma. STUDY DESIGN: Patients diagnosed and confirmed to have parathyroid carcinoma and who were treated between 1980 and 2016 at The University of Texas MD Anderson Cancer Center were studied retrospectively. Univariate and multivariate Cox proportional hazards regression analyses of RFS were conducted...
March 15, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28420920/the-many-guises-of-primary-hyperparathyroidism-an-unchanged-scenario
#2
Tasnim Ahsan, Uzma Erum, Khawaja Mohammad Inam Pal, Rukhshanda Jabeen, Saima Ghaus Qureeshi, Urooj Lal Rehman, Zeenat Banu
OBJECTIVE: To study the causes, characteristics and outcome of treatment of patients with primary hyperparathyroidism. METHODS: This retrospective cohort analysis was conducted at the Jinnah Postgraduate Medical Centre, Karachi, and comprised data of patients with primary hyperparathyroidism between 2004 and 2014. .SPSS 17 was used for data analysis. RESULTS: Of the 25 patients,1(4%)was male and 24(96%) were female. The overall mean age was 41...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28400272/epigenetic-processes-in-sporadic-parathyroid-neoplasms
#3
REVIEW
Angelica M Silva-Figueroa, Nancy D Perrier
Parathyroid tumors (PTs) are highly variable in their genetic background. Increasing evidence demonstrates that endocrine diseases can be caused by epigenetic alterations. The present review is focused on epigenetic aberrations related to PTs. DNA methylation, posttranslational histone modification, and noncoding RNAs are epigenetic mechanisms involved in parathyroid tumorigenesis. The information in this review has the potential to define epigenetic signatures associated with PTs for future use as diagnostic markers and lead to the development of new epigenetic drugs with therapeutic applications for these tumors...
April 8, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28394837/18f-fluorocholine-18f-fdg-and-18f-fluoroethyl-tyrosine-pet-ct-in-parathyroid-cancer
#4
Margit Hatzl, Julia C Röper-Kelmayr, Franz A Fellner, Michael Gabriel
We report on a 71-year-old woman presenting with biochemical features indicating recurrent disease in long-term follow-up of left-sided parathyroid carcinoma. She had undergone several surgical procedures including total thyroidectomy, partial resection of the esophageal wall, and curative neck radiation 12 years previously. PET/CT using F-fluorocholine revealed high uptake in local relapse in the lower neck, comparable to F-FDG, whereas only faint uptake was observed with F-fluoroethyl tyrosine. As shown in this case, imaging with FDG and F-fluorocholine is feasible in (recurrent) parathyroid carcinoma and clearly superior to F-fluoroethyl tyrosine...
April 7, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28385776/rsk-activation-via-erk-modulates-human-colon-cancer-cells-response-to-pthrp
#5
Natalia Calvo, Pedro Carriere, Maria Julia Martin, Claudia Gentili
Parathyroid Hormone-related Peptide (PTHrP) is associated with several human cancers such as colon carcinoma. This disease is a complex multistep process that involves enhanced cell cycle progression and migration. Recently we obtained evidence that in the human colorectal adenocarcinoma Caco-2 cells, exogenous PTHrP increases the proliferation and positively modulates cell cycle progression via ERK1/2, p38 MAPK and PI3K. The purpose of this study was to explore if the serine/threonine kinase RSK, which is involved in the progress of many cancers and it is emerging as a potential therapeutic target, mediates PTHrP effects on cancer colon cells...
April 6, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28374221/less-is-more-time-to-expand-the-indications-for-minimally-invasive-video-assisted-parathyroidectomy
#6
S Bakkar, V Matteucci, C Corsini, S Pagliaro, P Miccoli
PURPOSE: Minimally invasive video-assisted parathyroidectomy (MIVAP) is one of the most widespread targeted parathyroid surgeries for primary hyperparathyroidism (PHP). The aim of this study was to assess its limits and propose an expansion of its indications in the management of parathyroid pathology. METHODS: A retrospective analysis of 77 consecutive patients who underwent MIVAP for PHP between Jan and Oct 2016 was conducted. The adequacy of the procedure and/or the need to convert to a standard cervicotomy was the main outcome of interest...
April 3, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28362521/a-nationwide-study-on-parathyroid-carcinoma
#7
Eeva M Ryhänen, Helena Leijon, Saara Metso, Eija Eloranta, Pirkko Korsoff, Petteri Ahtiainen, Päivi Kekäläinen, Marjo Tamminen, Raija Ristamäki, Otto Knutar, Eliisa Löyttyniemi, Leo Niskanen, Mika Väisänen, Ilkka Heiskanen, Matti J Välimäki, Markku Laakso, Caj Haglund, Johanna Arola, Camilla Schalin-Jäntti
BACKGROUND: Parathyroid carcinoma (PC) is rare and diagnostically challenging. Reported outcomes are rather poor and the incidence might be increasing. MATERIAL AND METHODS: We performed a nationwide study on all cases (n= 32) diagnosed in 2000-2011 in Finland, and compared clinical and histopathological characteristics and outcome to atypical parathyroid (APA; n= 28) and parathyroid adenomas (PA; n= 72). The incidence in years 1955-1999 was compared to that in 2000-2013...
March 31, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28362510/apoptosis-in-primary-hyperparathyroidism
#8
Oliwia Anna Segiet, Łukasz Mielańczyk, Adam Piecuch, Marek Michalski, Szczepan Tyczyński, Marlena Brzozowa-Zasada, Mariusz Deska, Romuald Wojnicz
Primary hyperparathyroidism (PHPT) is defined by inappropriate elevation of parathormone, caused by parathyroid hyperplasia, also known as multi-gland disease (MGD), parathyroid adenoma (PA), or parathyroid carcinoma (PC). Although several studies have already been conducted, there is a lack of a definite diagnostic marker, which could unambiguously distinguish MGD from PA or PC. The accurate and prompt diagnosis has the key meaning for effective treatment and follow-up. This review paper presents the role of apoptosis in PHPT...
March 31, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28352668/genomic-profiling-reveals-mutational-landscape-in-parathyroid-carcinomas
#9
Chetanya Pandya, Andrew V Uzilov, Justin Bellizzi, Chun Yee Lau, Aye S Moe, Maya Strahl, Wissam Hamou, Leah C Newman, Marc Y Fink, Yevgeniy Antipin, Willie Yu, Mark Stevenson, Branca M Cavaco, Bin T Teh, Rajesh V Thakker, Hans Morreau, Eric E Schadt, Robert Sebra, Shuyu D Li, Andrew Arnold, Rong Chen
Parathyroid carcinoma (PC) is an extremely rare malignancy lacking effective therapeutic intervention. We generated and analyzed whole-exome sequencing data from 17 patients to identify somatic and germline genetic alterations. A panel of selected genes was sequenced in a 7-tumor expansion cohort. We show that 47% (8 of 17) of the tumors harbor somatic mutations in the CDC73 tumor suppressor, with germline inactivating variants in 4 of the 8 patients. The PI3K/AKT/mTOR pathway was altered in 21% of the 24 cases, revealing a major oncogenic pathway in PC...
March 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28342003/lung-carcinoma-progression-and-survival-versus-amino-and-carboxyl-parathyroid-hormone-related-protein-expression
#10
Randolph H Hastings, Philippe R Montgrain, Rick A Quintana, Boris Chobrutskiy, Ashkhan Davani, Atsushi Miyanohara, Sepi Mahooti
PURPOSE: Expression of the carboxyl PTHrP region of parathyroid hormone-related protein (PTHrP) is a positive prognostic indicator in women with lung cancer, but amino PTHrP is a negative indicator in other lung cancer patients. This project investigated whether PTHrP could be expressed as predominantly amino PTHrP or carboxyl PTHrP in individual lung carcinomas. It also assessed domain-specific effects on cancer progression and patient survival. METHODS: PTHrP immunoreactivities were analyzed versus survival in a human lung cancer tissue microarray (TMA)...
March 25, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28334546/-parathyroid-cancer
#11
Ivana Ságová, Matej Stančík, Peter Kentoš, Dušan Pavai, Daniela Kantárová, Anton Vaňuga, Peter Vaňuga
Parathyroid cancer is a rare endocrine malignancy, representing less than 1 % of all cases of primary hyperparathyroidism. The exact etiology of the disease remains unknown. Known risk factors include neck irradiation, end stage renal failure, genetic factors, particularly the the HPRT2/CDCT73 gene mutation. The clinical picture is often indolent, yet progressive with a trend of local invasion and metastasis formation in advanced disease. The clinical picture includes symptoms of severe and resistant hypercalcemia, requiring intensive therapy often with the need of dialysis...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28288139/mice-deleted-for-cell-division-cycle-73-gene-develop-parathyroid-and-uterine-tumours-model-for-the-hyperparathyroidism-jaw-tumour-syndrome
#12
G V Walls, M Stevenson, K E Lines, P J Newey, A A C Reed, M R Bowl, J Jeyabalan, B Harding, K J Bradley, S Manek, J Chen, P Wang, B O Williams, B T Teh, R V Thakker
The hyperparathyroidism-jaw tumour (HPT-JT) syndrome is an autosomal dominant disorder characterized by occurrence of parathyroid tumours, often atypical adenomas and carcinomas, ossifying jaw fibromas, renal tumours and uterine benign and malignant neoplasms. HPT-JT is caused by mutations of the cell division cycle 73 (CDC73) gene, located on chromosome 1q31.2 and encodes a 531 amino acid protein, parafibromin. To facilitate in vivo studies of Cdc73 in tumourigenesis we generated conventional (Cdc73(+/-)) and conditional parathyroid-specific (Cdc73(+/L)/PTH-Cre and Cdc73(L/L)/PTH-Cre) mouse models...
March 13, 2017: Oncogene
https://www.readbyqxmd.com/read/28266288/parathyroid-adenomas-in-adults-and-adolescents-critical-appraisal-and-surgical-strategy-in-18-cases
#13
Mihai Radu Diaconescu, Ioan Costea, Mihai Glod, Radu Terinte, Smaranda Diaconescu
Background: Our study underline scarcity of isolated case reports or small case series of parathyroid adenoma (PA) published in autochthonous medical literature,their variable clinical expression among the "historic" varieties but also the diagnostic difficulties and delays of diagnosis as well consecration of surgery as the golden therapeutic standard of this disorder. PATIENTS AND METHOD: Demographic, clinical presentations, laboratory and imaging data, operative findings and procedures together with pathology account and outcome from the case reports of 18 patients with documented PHP were retrospectively analyzed...
January 2017: Chirurgia
https://www.readbyqxmd.com/read/28217943/fine-needle-cytology-pre-surgical-differentiation-of-parathyroid-neoplasms-is-it-reliable
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
keyword
keyword
18398
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"