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Papillary carcinoma

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https://www.readbyqxmd.com/read/28742856/fit-for-genomic-and-proteomic-purposes-sampling-the-fitness-of-nucleic-acid-and-protein-derivatives-from-formalin-fixed-paraffin-embedded-tissue
#1
Anna Yakovleva, Jordan L Plieskatt, Sarah Jensen, Razan Humeida, Jonathan Lang, Guangzhao Li, Paige Bracci, Sylvia Silver, Jeffrey Michael Bethony
The demand for nucleic acid and protein derivatives from formalin-fixed paraffin-embedded (FFPE) tissue has greatly increased due to advances in extraction and purification methods, making these derivatives available for numerous genomic and proteomic platforms. Previously, DNA, RNA, microRNA (miRNA), or protein derived from FFPE tissue blocks were considered "unfit" for such platforms, as the process of tissue immobilization by FFPE resulted in cross-linked, fragmented, and chemically modified macromolecules...
2017: PloS One
https://www.readbyqxmd.com/read/28741199/radioactive-iodine-ablation-decrease-recurrences-in-papillary-thyroid-microcarcinoma-with-lateral-lymph-node-metastasis-in-chinese-patients
#2
Shuai Xue, Peisong Wang, Jia Liu, Guang Chen
INTRODUCTION: We aimed to carry out a retrospective study from a single institution to determine whether radioactive iodine (RAI) ablation decreases the risk of recurrence of papillary thyroid microcarcinoma (PTMC) patients that presented with lateral lymph node metastasis (LLNM). METHODS: We retrospectively analyzed a total of 6361 consecutive PTMC patients who initially underwent surgery for the treatment of thyroid carcinoma at the First Hospital of Jilin University, between January 2005 and February 2015...
July 24, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28740507/mir-195-inhibits-tumor-growth-and-metastasis-in-papillary-thyroid-carcinoma-cell-lines-by-targeting-ccnd1-and-fgf2
#3
Yali Yin, Shubin Hong, Shuang Yu, Yanrui Huang, Shuwei Chen, Yujie Liu, Quan Zhang, Yanbing Li, Haipeng Xiao
BACKGROUND: MicroRNA (miRNA) dysregulation was commonly seen in papillary thyroid carcinoma (PTC), and miR-195 was verified to be downregulated in PTC by the large data set analysis from The Cancer Genome Atlas (TCGA). Our study aimed to explore the biological functions and the underlying molecular mechanisms of miR-195 in PTC. METHODS: The relative expression of miR-195 and its target genes were assessed by quantitative RT-PCR assay in 38 pairs of PTC and the adjacent thyroid tissues...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28738880/level-of-mitoses-in-non-muscle-invasive-papillary-urothelial-carcinomas-pta-and-pt1-at-initial-bladder-biopsy-is-a-simple-and-powerful-predictor-of-clinical-outcome-a-multi-center-study-in-south-korea
#4
Ji Eun Kwon, Nam Hoon Cho, Yeong-Jin Choi, So Dug Lim, Yong Mee Cho, Sun Young Jun, Sanghui Park, Young A Kim, Sung-Sun Kim, Mi Sun Choe, Jung-Dong Lee, Dae Yong Kang, Jae Y Ro, Hyun-Jung Kim
BACKGROUND: Histologic grade is the most important predictor of the clinical outcome of non-muscle invasive (Ta, T1) papillary urothelial carcinoma (NMIPUCa), but its ambiguous criteria diminish its power to predict recurrence/progression for individual patients. We attempted to find an objective and reproducible histologic predictor of NMIPUCa that correlates well with the clinical outcome. METHODS: A total of 296 PUCas were collected from the Departments of Surgical Pathology of 11 institutions in South Korea...
July 24, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28736000/renal-cell-carcinoma-in-kidney-transplant-candidates
#5
K A Zorbas, S S Karhadkar, K N Lau, A Di Carlo
BACKGROUND: An increased incidence of renal cell carcinoma (RCC) has been observed in patients with end-stage renal disease. However, the incidence of this pathological condition has not been studied adequately in kidney transplant candidates. The aim of this study was to examine the incidence of RCC and the clinical, imaging, and pathological characteristics in this population. METHODS: At our institution, the majority of kidney transplant candidates undergo a non-contrast abdominal computerized tomography (CT) scan as a pre-transplant screening evaluation method...
July 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28735806/revisions-of-international-consensus-fukuoka-guidelines-for-the-management-of-ipmn-of-the-pancreas
#6
REVIEW
Masao Tanaka, Carlos Fernández-Del Castillo, Terumi Kamisawa, Jin Young Jang, Philippe Levy, Takao Ohtsuka, Roberto Salvia, Yasuhiro Shimizu, Minoru Tada, Christopher L Wolfgang
The management of intraductal papillary mucinous neoplasm (IPMN) continues to evolve. In particular, the indications for resection of branch duct IPMN have changed from early resection to more deliberate observation as proposed by the international consensus guidelines of 2006 and 2012. Another guideline proposed by the American Gastroenterological Association in 2015 restricted indications for surgery more stringently and recommended physicians to stop surveillance if no significant change had occurred in a pancreatic cyst after five years of surveillance, or if a patient underwent resection and a non-malignant IPMN was found...
July 13, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28731045/renal-cell-tumors-with-clear-cell-histology-and-intact-vhl-and-chromosome-3p-a-histological-review-of-tumors-from-the-cancer-genome-atlas-database
#7
Laura Favazza, Dhananjay A Chitale, Ravi Barod, Craig G Rogers, Shanker Kalyana-Sundaram, Nallasivam Palanisamy, Nilesh S Gupta, Sean R Williamson
Clear cell renal cell carcinoma is by far the most common form of kidney cancer; however, a number of histologically similar tumors are now recognized and considered distinct entities. The Cancer Genome Atlas published data set was queried (http://cbioportal.org) for clear cell renal cell carcinoma tumors lacking VHL gene mutation and chromosome 3p loss, for which whole-slide images were reviewed. Of the 418 tumors in the published Cancer Genome Atlas clear cell renal cell carcinoma database, 387 had VHL mutation, copy number loss for chromosome 3p, or both (93%)...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28731042/molecular-alterations-of-coexisting-thyroid-papillary-carcinoma-and-anaplastic-carcinoma-identification-of-tert-mutation-as-an-independent-risk-factor-for-transformation
#8
Naoki Oishi, Tetsuo Kondo, Aya Ebina, Yukiko Sato, Junko Akaishi, Rumi Hino, Noriko Yamamoto, Kunio Mochizuki, Tadao Nakazawa, Hiroshi Yokomichi, Koichi Ito, Yuichi Ishikawa, Ryohei Katoh
Thyroid papillary carcinoma is the most common endocrine neoplasm and generally carries a favorable prognosis. However, a small subset of papillary carcinomas transforms into anaplastic carcinoma, an undifferentiated cancer with a dismal prognosis. Recent studies using next-generation sequencing revealed the genomic landscape of papillary carcinoma and anaplastic carcinoma. However, risk factors for anaplastic transformation in papillary carcinoma remain obscure. In the present study, we investigated molecular alterations of papillary carcinoma and anaplastic carcinoma components in 27 tumors in which anaplastic carcinoma coexisted with antecedent papillary carcinoma...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28730228/her-2%C3%A3-neu-expression-in-different-histological-subtypes-of-papillary-thyroid-carcinoma
#9
Delia Ciobanu Apostol, Irina Draga Căruntu, Ludmila Lozneanu, Elena Corina Andriescu, Simona Eliza Giuşcă
The identification and validation of new, complementary prognostic factors represents a challenging issue in thyroid pathology, opening the perspective of papillary thyroid carcinoma (PTC) stratification based on differences of aggressiveness at molecular level. Our study aims to analyze the HER-2÷neu expression in different subtypes of PTC and its relationship with the classical clinicopathological factors. We investigated 120 cases of sporadic PTC. The cases were selected based on the histological criteria reported to clinical course and prognosis and distributed in two different subgroups, namely low- and high-risk...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28728748/metastatic-renal-cell-carcinoma-patterns-and-predictors-of-metastases-a-contemporary-population-based-series
#10
Thenappan Chandrasekar, Zachary Klaassen, Hanan Goldberg, Girish S Kulkarni, Robert J Hamilton, Neil E Fleshner
OBJECTIVE: To assess the patterns and predictors of metastatic disease in renal cell carcinoma (RCC) at the time of diagnosis in a contemporary series. METHODS: The Surveillance, Epidemiology, and End Results database was queried for all patients with kidney RCC from 2010 to 2013 (N = 50,815). Distribution and predictors of distant metastases at diagnosis were assessed. Multivariate logistic regression hazard analyses were performed to determine covariates associated with the likelihood of having metastases at diagnosis, whereas competing risks regression analysis was used to assess predictors of cancer-specific mortality (CSM) in patients with metastatic disease...
July 17, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28726141/transoral-robotic-thyroidectomy-lessons-learned-from-an-initial-consecutive-series-of-24-patients
#11
Hoon Yub Kim, Young Jun Chai, Gianlorenzo Dionigi, Angkoon Anuwong, Jeremy D Richmon
BACKGROUND: Transoral thyroid surgery is an ideal method for minimally invasive thyroidectomy, as there is less flap dissection during the procedure and no postoperative scars. Nonetheless, technical obstacles have precluded the wide dissemination of this procedure. We present the surgical procedures and outcomes of transoral robotic thyroidectomy (TORT). METHODS: From September 2012 to June 2016, we performed TORT at Korea University Hospital. We used three intraoral ports and a single axillary port for the system's four robotic arms...
July 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28724523/savolitinib-heads-for-phase-iii-trial-in-prcc
#12
(no author information available yet)
A phase II trial of savolitinib, a MET inhibitor, found that the drug induced partial responses in some patients with papillary renal cell carcinoma and was well tolerated, prompting drug makers Chi-Med and AstraZeneca to launch a phase III study.
July 19, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28721478/differentiation-of-renal-cell-carcinoma-subtypes-with-different-iodine-quantification-methods-using-single-phase-contrast-enhanced-dual-energy-ct-areal-vs-volumetric-analyses
#13
Chenchen Dai, Yingli Cao, Yan Jia, Yuqin Ding, Ruofan Sheng, Mengsu Zeng, Jianjun Zhou
PURPOSE: To investigate the possibility of iodine quantification during a single nephrographic phase in characterizing renal cell carcinoma (RCC) subtypes and if there is a difference between areal and volumetric iodine quantification methods. MATERIALS AND METHODS: This retrospective study included 110 patients with 113 histopathologically confirmed RCCs scanned by dual-energy CT at the nephrographic phase before surgeries. For each lesion, an areal measurement of the iodine concentration with maximum enhancement (I max enhan) and the iodine concentration with maximum area among slices (I max area), as well as a volumetric iodine concentration of the whole-tumor (I volume), were evaluated by two independent radiologists...
July 18, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28720750/tuberculous-psoas-abscess-and-worsening-vascular-aneurysm-all-from-bacillus-calmette-guerin-bcg-therapy
#14
Emmanuel Okon, Janelle Stearns, Arun Kumar Durgam
BACKGROUND Intravesical bacillus Calmette-Guerin (BCG) is used in the treatment and prophylaxis of carcinoma in situ of the urinary bladder and for the prophylaxis of primary or recurrent stage Ta and T1 papillary tumors following transurethral resection. Significant systemic complications are rare but have been reported. CASE REPORT We describe this case of Mycobacterium bovis psoas abscess and worsening abdominal aortic aneurysm following BCG therapy for bladder cancer. A 76-year-old male presented with a fever of a few days...
July 19, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28718911/clear-cell-renal-cell-carcinoma-validation-of-who-isup-grading
#15
Julien Dagher, Brett Delahunt, Nathalie Rioux-Leclercq, Lars Egevad, John R Srigley, Geoffrey Coughlin, Nigel Dunglinson, Troy Gianduzzo, Boon Kua, Greg Malone, Ben Martin, John Preston, Morgan Pokorny, Simon Wood, John Yaxley, Hemamali Samaratunga
AIM: In 2012, the International Society of Urological Pathology (ISUP) introduced a novel grading system for clear cell and papillary renal cell carcinoma (RCC) based upon increasing nucleolar prominence in grades 1 to 3, with the presence of extreme nuclear pleomorphism and/or tumour giant cells and/or sarcomatoid and/or rhabdoid differentiation as criteria for grade 4. This system is now incorporated in the latest World Health Organization renal tumour classification, being designated WHO/ISUP grading...
July 18, 2017: Histopathology
https://www.readbyqxmd.com/read/28717903/high-expression-of-angiopoietin-1-is-associated-with-lymph-node-metastasis-and-invasiveness-of-papillary-thyroid-carcinoma
#16
Yea Eun Kang, Koon Soon Kim, Sung Jae Park, Seung-Nam Jung, Jae Won Chang, Shinae Yi, Min Gyu Jung, Jin-Man Kim, Bon Seok Koo
BACKGROUND: We investigated the expression of angiopoietins in patients with papillary thyroid carcinoma (PTC) and the role of angiopoietins as biomarkers predicting the aggressiveness of PTC. METHODS: Expression of angiopoietins was evaluated by immunohistochemistry of tumor specimens from patients with PTC. We demonstrated potential correlations between expression of angiopoietins and clinicopathologic features. RESULTS: High expression of Ang-1 was positively correlated with a tumor size >1 cm, capsular invasion, extrathyroid extension, lymphovascular invasion, lymph node metastasis, and recurrence (P < 0...
July 17, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28717394/immunohistochemical-expression-of-er-%C3%AE-and-pr-in-papillary-thyroid-carcinoma
#17
Marwa Mohammed Serag Eldien, Asmaa Gaber Abdou, Tarek Rageh, Eman Abdelrazek, Enas Elkholy
Papillary thyroid carcinoma (PTC) is the most common thyroid cancer with multiple risk factors including exposure to ionising radiation. Oestrogens contribute to papillary carcinoma development by promoting cell proliferation and invasion of mutated epithelial follicular cells. The present study aimed to assess ER-α and PR expression in PTC and to correlate their expression with the clinicopathological parameters in this cancer. This study included 62 primary and six metastatic papillary thyroid carcinoma cases...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28712279/the-role-of-adjuvant-external-beam-radiation-therapy-for-papillary-thyroid-carcinoma-invading-the-trachea
#18
Young Suk Kim, Jae Hyuck Choi, Kwang Sik Kim, Gil Chae Lim, Jeong Hong Kim, Ju Wan Kang, Hee-Sung Song, Sang Ah Lee, Chang Lim Hyun, Yunseon Choi, Gwi Eon Kim
PURPOSE: To evaluate the effect of adjuvant external beam radiation therapy (EBRT) on local failure-free survival rate (LFFS) for papillary thyroid cancer (PTC) invading the trachea. MATERIALS AND METHODS: Fifty-six patients with locally advanced PTC invading the trachea were treated with surgical resection. After surgery, 21 patients received adjuvant EBRT and radioactive iodine therapy (EBRT group) and 35 patients were treated with radioactive iodine therapy (control group)...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28711609/the-epigenetic-landscape-of-differentiated-thyroid-cancer
#19
REVIEW
Sylvia L Asa, Shereen Ezzat
Differentiated thyroid carcinoma of follicular cell-derivation is the most common endocrine neoplasm with a rapidly increasing incidence. The majority represent papillary carcinomas; more rarely, they are follicular carcinomas. The vast majority have indolent behavior, however a significant proportion progress to develop lymph node metastases and a smaller proportion disseminate systemically. While common and frequent genetic events have been described to underlie the development of these neoplasms, the factors contributing to differing behaviors among tumors with similar genetic alterations remain unclear...
July 12, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28710706/synchronous-and-metastatic-papillary-and-follicular-thyroid-carcinomas-with-unique-molecular-signatures
#20
Vincent Cracolici, Ibro Mujacic, Sabah Kadri, Mir Alikhan, Nifang Niu, Jeremy P Segal, Lauren E Rosen, David H Sarne, Adam Morgan, Samy Desouky, Nicole A Cipriani
Despite the relatively high prevalence of thyroid cancer, the occurrence of multiple synchronous, distinct subtypes of primary thyroid carcinoma is uncommon. The incidental finding of papillary thyroid microcarcinoma in a gland with a biologically relevant follicular or medullary carcinoma is more frequent than the synchronous occurrence of multiple clinically significant carcinomas. We report a case of synchronous papillary and follicular thyroid carcinomas metastatic to lymph node and bone, respectively. Next generation sequencing showed BRAF V600E mutation in the primary papillary carcinoma and NRAS Q61R mutation in the primary follicular carcinoma and bony metastasis...
July 14, 2017: Endocrine Pathology
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