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Perineural invasion Or PNI

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https://www.readbyqxmd.com/read/28808503/prognostic-efficacy-of-inflammation-based-markers-in-patients-with-curative-colorectal-cancer-resection
#1
Özgür Akgül, Erdinç Çetinkaya, Metin Yalaza, Sabri Özden, Mesut Tez
AIM: To evaluate the prognostic significance of neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), lymphocyte-to-monocyte ratio (LMR), and prognostic nutritional index (PNI) and other clinicopathological factors in patients undergoing curative resection of colon cancer. METHODS: 183 patients with histologically proven colorectal cancer who had undergone potentially curative resection between 2010 and 2016 at Ankara Numune Training and Research Hospital were retrospectively analyzed and clinicopathological characteristics included age, sex, tumor type, grade, size and localization, the number of metastatic and total number of lymph nodes removed, vascular and perineural invasion of the tumor, TNM stages, tumor marker levels (CEA, CA19-9, AFP, CA-125, CA15-3), complete blood counts, albumin levels, overall survival (months), NLR, PLR, LMR and PNI ratios were retrospectively reviewed and analyzed from the electronic database...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28803603/prognostic-impact-of-cell-division-cycle-associated-2-expression-on-pancreatic-ductal-adenocarcinoma
#2
Meng-Yi Wang, Zhe-Yu Niu, Xiang-Gao Gao, Li Zhou, Quan Liao, Yu-Pei Zhao
Objective To examine the expression of cell division cycle associated 2 (CDCA 2) in pancreatic ductal adenocarcinoma (PDAC) and investigate its role in prognosis of PDAC patients. Methods This retrospective study included 155 PDAC patients who underwent surgical treatment and complete post-operative follow-up. Clinicopathologic data were collected through clinical database. Tissue microarray was constructed and immunohistochemistry was performed to detect CDCA2 expression in the PDAC tumor tissues and adjacent non-tumor tissues...
September 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28801584/differences-of-protein-expression-profiles-kras-and-braf-mutation-and-prognosis-in-right-sided-colon-left-sided-colon-and-rectal-cancer
#3
Xian Hua Gao, Guan Yu Yu, Hai Feng Gong, Lian Jie Liu, Yi Xu, Li Qiang Hao, Peng Liu, Zhi Hong Liu, Chen Guang Bai, Wei Zhang
To compare protein expression levels, gene mutation and survival among Right-Sided Colon Cancer (RSCC), Left-Sided Colon Cancer (LSCC) and rectal cancer patients, 57 cases of RSCC, 87 LSCC and 145 rectal cancer patients were included retrospectively. Our results demonstrated significant differences existed among RSCC, LSCC and rectal cancer regarding tumor diameter, differentiation, invasion depth and TNM stage. No significant difference was identified in expression levels of MLH1, MSH2, MSH6, PMS2, β-Tubulin III, P53, Ki67 and TOPIIα, and gene mutation of KRAS and BRAF among three groups...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801062/perineural-invasion-through-the-sheath-in-posttherapy-esophagectomy-specimens-predicts-poor-survival-in-patients-with-esophageal-squamous-cell-carcinoma
#4
C-Y Tsai, C-J Yeh, Y-K Chao, H-K Chang, C-K Tseng, Y-H Liu
BACKGROUND: The prognostic impact of perineural invasion (PNI) in patients with esophageal cancer who receive neoadjuvant chemoradiotherapy (nCRT) remains unclear. METHODS: A thorough pathological review of PNI was performed on post-nCRT esophagectomy specimens obtained from non-ypT0 patients with esophageal squamous cell carcinoma (ESCC). When PNI was identified, it was classified according to the presence or absence of penetration through the nerve sheath (i.e...
August 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28782798/pancreatoduodenectomy-with-portal-vein-resection-for-distal-cholangiocarcinoma
#5
T Maeta, T Ebata, E Hayashi, T Kawahara, S Mizuno, N Matsumoto, S Ohta, M Nagino
BACKGROUND: Little is known about the value of portal vein (PV) resection in distal cholangiocarcinoma. The aim of this study was to evaluate the clinical significance of PV resection in distal cholangiocarcinoma. METHODS: Patients who underwent pancreatoduodenectomy (PD) for distal cholangiocarcinoma between 2001 and 2010 at one of 31 hospitals in Japan were reviewed retrospectively with special attention to PV resection. Short- and long-term outcomes were evaluated...
August 7, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28782557/yb-1-expression-promotes-pancreatic-cancer-metastasis-that-is-inhibited-by-microrna-216a
#6
Jingjing Lu, Xiaohong Li, Fei Wang, Yibing Guo, Yan Huang, Hui Zhu, Yao Wang, Yuhua Lu, Zhiwei Wang
Pancreatic cancer is one of the most aggressive cancers. The vast majority of patients are diagnosed with advanced, unresectable disease because of early invasive growth and metastatic spread. The aim of this study was to examine YB-1 expression in pancreatic cancer and determine its effects on cell invasion. YB-1 is overexpressed in pancreatic cancer cell lines and patient tissue samples. In patient tissues, high YB-1 levels correlated with perineural invasion. Silencing of YB-1 significantly reduced cell invasion with decreased expression of MMPs in vitro...
August 3, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28781800/clinicopathological-and-prognostic-characteristics-in-patients-with-afp-secreting-gastric-carcinoma
#7
Yakup Bozkaya, Nebi Serkan Demirci, Alican Kurtipek, Gökmen Umut Erdem, Nuriye Yildirim Ozdemir, Nurullah Zengin
The aim of the present study was to determine whether there are any clinicopathological or prognostic differences between patients with α-fetoprotein-secreting gastric carcinoma (AFP-SGC) and non-AFP-SGC. Pathological parameters, clinical parameters, and treatment efficacy were compared in patients with AFP-SGC and non-AFP-SGC. In total, 362 patients (53 with AFP-SGC and 309 with non-AFP-SGC) were included in the present study. Patients with AFP-SGC had significantly higher levels of lymphovascular invasion, perineural invasion (PNI), rate of liver metastasis, and stage IV cancer compared with patients with non-AFP-SGC (P<0...
August 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28770287/duodenal-invasion-by-pancreatic-adenocarcinoma-mdct-diagnosis-of-an-aggressive-imaging-phenotype-and-its-clinical-implications
#8
REVIEW
Bhavik N Patel, Eric W Olcott, R Brooke Jeffrey
Despite advances in oncologic and imaging technology, pancreatic ductal adenocarcinoma remains a highly deadly disease. The only curative option, pancreaticoduodenectomy or pancreatectomy, carries a significant morbidity. Current imaging plays a role in pre-operative staging to determine the probability of achieve disease-free margins. However, a small but not insignificant number of pancreatic cancers have a relatively higher aggressive biology, despite being resectable based on traditional criteria. Recently, imaging biomarkers that serve as a surrogate for tumors with such aggressive phenotype have been described...
August 2, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28770104/immunoscore-in-mismatch-repair-proficient-and-deficient-colon-cancer
#9
Erkki-Ville Wirta, Toni Seppälä, Marjukka Friman, Juha Väyrynen, Maarit Ahtiainen, Hannu Kautiainen, Teijo Kuopio, Ilmo Kellokumpu, Jukka-Pekka Mecklin, Jan Böhm
The aim of this study was to investigate immune response and its prognostic significance in colon carcinomas using the previously described Immunoscore (IS). A population-based series of 779 colorectal cancers, operated on between 2000 and 2010, were classified according to tumour, node, metastasis (TNM) status, mismatch repair (MMR), and BRAF mutation status. Rectal cancer cases (n = 203) were excluded as a high proportion of these patients received preoperative neoadjuvant chemoradiotherapy. Tissue microarray (TMA) samples collected from the tumour centre and invasive front were immunostained for CD3 and CD8...
July 2017: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/28770101/cytokeratin-based-assessment-of-tumour-budding-in-colorectal-cancer-analysis-in-stage-ii-patients-and-prospective-diagnostic-experience
#10
Viktor H Koelzer, Naziheh Assarzadegan, Heather Dawson, Bojana Mitrovic, Andrea Grin, David E Messenger, Richard Kirsch, Robert H Riddell, Alessandro Lugli, Inti Zlobec
Tumour budding in colorectal cancer is an important prognostic factor. A recent consensus conference elaborated recommendations and key issues for future studies, among those the use of pan-cytokeratin stains, especially in stage II patients. We report the first prospective diagnostic experience using pan-cytokeratin for tumour budding assessment. Moreover, we evaluate tumour budding using pan-cytokeratin stains and disease-free survival (DFS) in stage II patients. To this end, tumour budding on pan-cytokeratin-stained sections was evaluated by counting the number of tumour buds in 10 high-power fields (0...
July 2017: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/28764204/buccal-mucosa-carcinoma-a-comparative-relative-risk-analysis-between-tobacco-and-non-tobacco-users
#11
Ramasamy Padma, Amitkumar Kalaivani, Sathish Paulraj, Sivapatham Sundaresan
INTRODUCTION: In South India, buccal mucosa carcinoma is common cancer due to widespread use of tobacco in different form. Recently, areca nut (non tobacco) chewing habits have increased among young adults resulting in high morbidity and mortality. Thus, there is need to understand role of aetiology and risk of disease. AIM: To analyse relative risk of tobacco users and non tobacco users in buccal mucosa carcinoma. MATERIALS AND METHODS: This prospective comparative study was conducted in Regional Cancer Centre, Kanchipuram, between 2013 and 2016...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28755085/risk-factors-for-lymph-node-metastasis-in-western-early-gastric-cancer-after-optimal-surgical-treatment
#12
Marina Alessandra Pereira, Marcus Fernando Kodama Pertille Ramos, André Roncon Dias, Sheila Friedrich Faraj, Osmar Kenji Yagi, Adriana Vaz Safatle-Ribeiro, Fauze Maluf-Filho, Bruno Zilberstein, Ivan Cecconello, Evandro Sobroza de Mello, Ulysses Ribeiro
BACKGROUND: Lymph node metastasis (LNM) has a strong influence on the prognosis of patients with early gastric cancer (EGC). As minimally invasive treatments are considered appropriate for EGC, and lymphadenectomy may be restricted or even eliminated in some cases; it is imperative to identify the main risk factors for LNM to individualize the therapeutic approach. This study aims to evaluate the risk factors for LNM in EGC and to determine the adequacy of the endoscopic resection criteria in a western population...
July 28, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28752514/the-impact-of-multifocal-perineural-invasion-on-biochemical-recurrence-and-timing-of-adjuvant-androgen-deprivation-therapy-in-high-risk-prostate-cancer-following-radical-prostatectomy
#13
Guangxi Sun, Rui Huang, Xingming Zhang, Pengfei Shen, Jing Gong, Jinge Zhao, Jiandong Liu, Qidun Tang, Kunpeng Shu, Xiaoxue Yin, Ni Chen, Hao Zeng
BACKGROUND: Perineural invasion (PNI) is a distinct pathologic entity and a recognized source of tumor spread. However, the role of PNI in high-risk prostate cancer (PCa) has not been explored. The aims of the study were to investigate the impact of PNI on biochemical recurrence (BCR) and optimal timing of adjuvant androgen-deprivation therapy (ADT) after radical prostatectomy (RP). METHODS: A total of 265 prostatectomies, median follow-up 45 months, were assessed for the presence and intensity of PNI (unifocal and multifocal) in RP specimens...
July 27, 2017: Prostate
https://www.readbyqxmd.com/read/28740901/long-term-outcomes-of-dose-escalated-intensity-modulated-radiation-therapy-alone-without-androgen-deprivation-therapy-for-patients-with-intermediate-and-high-risk-prostate-cancer
#14
Rafael Gadia, Elton Trigo Teixeira Leite, Ana Luiza Bierrenbach, Fabio Ynoe de Moraes, Daniel E Spratt, Fernando Freire Arruda, Carlos Eduardo Cintra Vita Abreu, Joao Luis Fernandes da Silva, Heloisa de Andrade Carvalho, Bernardo Garicochea
OBJECTIVE: The addition of androgen deprivation therapy (ADT) to conventional radiation therapy improves overall survival (OS) in intermediate- and high-risk prostate cancer. The benefit of ADT to added to dose-escalated radiotherapy is less clear. The aim of this study was to report disease control outcomes and to identify prognostic variables associated with favorable outcomes in patients with intermediate- and high-risk prostate cancer treated with dose-escalated radiation therapy without ADT...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28738842/ovarian-preservation-in-adenocarcinoma-of-the-uterine-cervix
#15
Jiansong Zhou, Yuanyuan Chen, Ping Zhang, Hanmei Lou
BACKGROUND: An upward trending incidence in cervical adenocarcinoma (ADC) has been reported in many countries. Because non-squamous histology has been associated with increased risk of ovarian metastases (OM), bilateral oophorectomy is commonly performed for ADC without due consideration for ovarian preservation, degrading the quality of life for young premenopausal patients. METHODS: Subjects were patients with International Federation of Gynecology and Obstetrics (FIGO) stage I-IIB cervical ADC who underwent radical hysterectomy, including pelvic lymphadenectomy and bilateral salpingo-oophorectomy at our institution between Oct...
July 24, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28735670/concomitant-malignant-pulmonary-peripheral-nerve-sheath-tumour-and-benign-cutaneous-peripheral-nerve-sheath-tumour-in-a-dog
#16
E O Silva, P F I Goiozo, L G Pereira, S A Headley, A F R L Bracarense
Peripheral nerve sheath tumours (PNSTs) are neoplastic growths derived from Schwann cells, perineural cells or both. Malignant PNSTs (MPNSTs) are uncommon in domestic animals. This report describes the concomitant occurrence of PNSTs in a 10-year-old female cocker spaniel with a clinical history of respiratory impairment. Grossly, there was a large infiltrative mass in the caudal lobe of the right lung; smaller nodules were observed in the other lobes of the right lung. Furthermore, a small encapsulated cutaneous nodule was observed on the left hindlimb...
July 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28735439/surgical-management-of-periocular-cancers-high-and-low-risk-features-drive-treatment
#17
REVIEW
Richard C Allen
PURPOSE OF REVIEW: Recent advances in the treatment of eyelid tumors have centered on the excision, evaluation of margins, role of sentinel lymph node biopsy, and adjunctive/adjuvant systemic and radiation therapy. The purpose of this review is to elaborate on these advances. RECENT FINDINGS: Mohs excision of basal cell carcinoma and squamous cell carcinoma continues to provide the greatest success in complete excision of the cancer, especially in those cases of high-risk disease including medial canthal location and recurrent disease...
September 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28734009/kit-mutations-and-cd117-overexpression-are-markers-of-better-progression-free-survival-in-vulvar-melanomas
#18
D Dias-Santagata, M A Selim, Y Su, Y Peng, R Vollmer, A Chłopik, G T Marti, K Paral, S Shalin, C R Shea, S Puig, M T Fernandez-Figueras, W Biernat, J Ryś, A Marszalek, M P Hoang
BACKGROUND: Few studies have addressed prognostic markers and none has correlated molecular status and prognosis in vulvar melanomas. OBJECTIVES AND METHODS: We evaluated the clinicopathologic features of 95 cases. p53, CD117, Ki-67, neurofibromin, brafv600e, and nrasq61r immunostains; and molecular analyses by either targeted next generation or direct sequencing were performed on available archival materials. RESULTS: Molecular testing detected mutations in KIT (44%), BRAF (25%), NF1 (22%), TP53 (17%), NRAS (9%), and TERT promoter (9%)...
July 22, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28725616/chronic-orchialgia-epidemiology-diagnosis-and-evaluation
#19
REVIEW
John T Sigalos, Alexander W Pastuszak
Chronic orchialgia is a vexing condition defined as chronic or intermittent scrotal pain lasting at least three months that significantly interferes with daily activities. There are currently no guidelines regarding the diagnosis and management of this condition despite it being the cause of 2.5-4.8% of urologic clinic visits. Men often present with chronic orchialgia in their mid to late 30s, although the condition can present at any age. A broad differential diagnosis of chronic orchialgia includes epididymitis, testicular torsion, tumors, obstruction, varicocele, epididymal cysts, hydrocele, iatrogenic injury following vasectomy or hernia repair, and referred pain from a variety of sources including mid-ureteral stone, indirect inguinal hernia, aortic or common iliac artery aneurysms, lower back disorders, interstitial cystitis, and nerve entrapment due to perineural fibrosis; approximately 25-50% of chronic orchialgia is idiopathic in nature...
May 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28724272/patients-characteristics-histopathological-findings-and-tumor-stage-in-different-types-of-malignant-melanoma-a-retrospective-multicenter-study
#20
Ali-Mohammad Farahmand, Amir-Hoshang Ehsani, Mojtaba Mirzaei, Maryam Mohsenian, Alireza Ghanadan
Cutaneous malignant melanoma (CMM) is currently the most fatal of skin cancers accounting for 50000 deaths annually. Five distinct melanomas are described histopathologically: superficial spreading, lentigo maligna, nodular, acral lentiginous and mucosal melanoma. The aim of this study was to investigate the characteristics of patients with various types of malignant melanoma and evaluate histopathological findings. In this retrospective study, we obtained our data from the records of 111 patients with melanoma...
May 2017: Acta Medica Iranica
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