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https://www.readbyqxmd.com/read/28548970/rinsing-paired-agent-model-rpam-to-quantify-cell-surface-receptor-concentrations-in-topical-staining-applications-of-thick-tissues
#1
Xiaochun Xu, Yu Wang, Jialing Xiang, Jonathan T C Liu, Kenneth M Tichauer
Conventional molecular assessment of tissue through histology, if adapted to fresh thicker samples, has the potential to enhance cancer detection in surgical margins and monitoring of 3D cell culture molecular environments. However, in thicker samples, substantial background staining is common despite repeated rinsing, which can significantly reduce image contrast. Recently, 'paired-agent' methods-which employ co-administration of a control (untargeted) imaging agent-have been applied to thick-sample staining applications to account for background staining...
May 26, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28548227/changing-the-risk-threshold-for-surgical-prevention-of-ovarian-cancer
#2
Ranjit Manchanda, Rosa Legood, Antonis C Antoniou, Leigh Pearce, Usha Menon
Ovarian cancer (OC) remains a lethal disease and a major cause of deaths from gynaecological cancer particularly in western countries. Despite advances in treatment, there have been only marginal improvements in survival rates over the last 30years. Additionally, the number of OC cases in the UK is estimated to increase by 27-45%, which translates to a 15% rise in the incidence rate by 2035.(1) A national OC screening programme is unavailable as this has not yet shown a conclusive mortality benefit.(2) Hence, primary prevention continues to be the cornerstone in reducing the burden of OC and improving health outcomes...
May 26, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28547760/blinded-review-of-archival-radical-prostatectomy-specimens-supports-that-contemporary-gleason-score-6-prostate-cancer-lacks-metastatic-potential
#3
Luciano A Nunez Bragayrac, Christine Murekeyisoni, Michael J Vacchio, Kristopher Attwood, Diana C Mehedint, James L Mohler, Gissou Azabdaftari, Bo Xu, Eric C Kauffman
BACKGROUND: Retrospective identification of Gleason pattern 4 in metastatic Gleason score 3 + 3 = 6 (GS6) radical prostatectomy (RP) specimens has suggested true GS6 prostate cancer (CaP) lacks metastatic potential. However, pathologist awareness of study design and metastasis outcomes at the time of RP review might have introduced upgrading bias. We used pathologist-blinded methodology for unbiased characterization of metastasis rates for contemporarily defined pathologic GS6 (pGS6) CaP...
May 26, 2017: Prostate
https://www.readbyqxmd.com/read/28547563/poor-adherence-to-national-clinical-management-guidelines-a-population-based-cross-sectional-study-of-the-surgical-management-of-melanoma-in-new-south-wales-australia
#4
Alexander H R Varey, Christine M Madronio, Anne E Cust, Chris Goumas, Graham J Mann, Bruce K Armstrong, Richard A Scolyer, Austin M Curtin, John F Thompson
BACKGROUND: Standardization of the clinical management of melanoma through the formulation of national guidelines, based on interpretation of the existing evidence and consensus expert opinion, seeks to improve quality of care; however, adherence to national guidelines has not been well studied. METHODS: A population-based, cross-sectional study of the clinical management of all patients with newly notified primary melanomas in the state of New South Wales, Australia, during 2006/2007 was conducted using cancer registry identification and questionnaires completed by treating physicians...
May 25, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28545841/oncologic-outcomes-for-patients-with-residual-cancer-at-cystectomy-following-neoadjuvant-chemotherapy-a-pathologic-stage-matched-analysis
#5
Bimal Bhindi, Igor Frank, Ross J Mason, Robert F Tarrell, Prabin Thapa, John C Cheville, Brian A Costello, Lance C Pagliaro, R Jeffrey Karnes, R Houston Thompson, Matthew K Tollefson, Stephen A Boorjian
While it has been demonstrated that receipt of neoadjuvant chemotherapy (NAC) before radical cystectomy (RC) improves survival compared to RC alone, the driving factor for this benefit may be from patients with ypT0 status at surgery. Meanwhile, the implications of having residual urothelial carcinoma of the bladder (rUCB) at RC after NAC are less clear. We therefore evaluated whether survival differed between patients with rUCB at RC after NAC and stage-matched controls who underwent RC alone. Patients who underwent NAC + RC (n = 180) were matched to controls who underwent RC alone (n=324) on the basis of pT and pN stage, margin status, and year of RC...
May 22, 2017: European Urology
https://www.readbyqxmd.com/read/28545537/efficacy-of-prophylactic-splenectomy-for-proximal-advanced-gastric-cancer-invading-greater-curvature
#6
Yu Ohkura, Shusuke Haruta, Junichi Shindoh, Tsuyoshi Tanaka, Masaki Ueno, Harushi Udagawa
BACKGROUND: For proximal gastric cancer invading the greater curvature, concomitant splenectomy is frequently performed to secure the clearance of lymph node metastases. However, prognostic impact of prophylactic splenectomy remains unclear. The aim of this study was to clarify the oncological significance of prophylactic splenectomy for advanced proximal gastric cancer invading the greater curvature. METHODS: Retrospective review of 108 patients who underwent total or subtotal gastrectomy for advanced proximal gastric cancer involving the greater curvature was performed...
May 25, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28543587/optical-mapping-of-nonmelanoma-skin-cancers-a-pilot-clinical-study
#7
Anna N Yaroslavsky, Xin Feng, Victor A Neel
BACKGROUND AND OBJECTIVE: Nonmelanoma skin cancer (NMSC) is the most common human cancer. Because these tumors often affect the face, there is a strong need for both accurate removal of these neoplasms to prevent recurrence and maximal tissue preservation to prevent cosmetic or functional deformity. Polarization-enhanced reflectance and fluorescence imaging (PERFI) is a new bedside method that uses fluorescent chromophores to image NMSC. While the feasibility of the technique has been successfully demonstrated in ex vivo studies, this is the first pilot study to extend the use of PERFI to in vivo intraoperative imaging of NMSC...
May 23, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28541858/the-pathologic-finding-of-combined-lobular-carcinoma-in-situ-and-invasive-lobular-cancer-may-indicate-more-than-just-a-high-risk-marker-role-of-lobular-carcinoma-in-situ
#8
Christopher J Jean-Louis, Joshua Masdon, Betsy Smith, Oscar Battles, Paul Dale
For years, lobular carcinoma In Situ (LCIS) has been considered a high-risk marker for developing breast cancer. It is well known that ductal carcinoma In Situ is a precursor for the development of invasive ductal carcinoma, and ductal carcinoma In Situ is reported to be present in invasive ductal carcinoma in at least 40 per cent of cases. A similar relationship between LCIS and invasive lobular carcinoma (ILC) remains in question. This study evaluates the incidence of synchronous LCIS and ILC at our institution...
May 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28540633/olfactory-neuroblastoma-a-single-center-experience
#9
Marton König, Terje Osnes, Peter Jebsen, Jan Folkvard Evensen, Torstein R Meling
Olfactory neuroblastoma (ONB) is a potentially curable disease, despite being an aggressive malignancy with a poor natural history. Our goal was to evaluate management outcomes for patients with ONB treated at our institution. Our prospective database for brain tumors and the pathology registry of head and neck cancers at Oslo University Hospital were searched to identify all patients treated for ONB between 1998 and 2016. Variables extracted from these databases, supplemented by retrospective chart reviews, underwent thorough analysis...
May 25, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28538884/evaluation-of-surgical-margins-according-to-the-histological-type-of-basal-cell-carcinoma
#10
Charles Antonio Pires de Godoy, Alice Lima de Oliveira Neta, Sofia Silveira de Souza Leão, Raul Lima Dantas, Valeska Oliveira Fonseca Carvalho, Samuel Freire da Silva
Basal cell carcinoma is the most common skin cancer in the world. The aim of this study was to evaluate the surgical margin of basal cell carcinoma and correlate this with its histologic subtype. A retrospective analysis of pathology laboratory records from 1990 to 2000 was performed and the following data was collected: age, sex, race, anatomical location, histological type, and state of the excision margins in 1,428 histopathological reports of basal cell carcinoma. Ages ranged from 6 to 99 years, with an average of 57...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28537436/utilization-and-outcomes-of-nephroureterectomy-for-upper-tract-urothelial-carcinoma-by-surgical-approach
#11
Joseph Rodriguez, Vignesh T Packiam, William R Boysen, Scott C Johnson, Zacharly L Smith, Norm D Smith, Arieh Shalhav, Gary D Steinberg
OBJECTIVES: To compare outcomes and survival of open, robotic, and laparoscopic nephroureterectomy (ONU, RNU, LNU) using population-based data. METHODS: Using the National Cancer Database, we identified patients who underwent nephroureterectomy for localized UTUC between 2010 and 2013. Demographic and clinicopathologic characteristics were compared among the three operative approaches. Multivariate regression analyses were used to determine the impact of approach on performance of lymphadenectomy (LND), positive surgical margins (PSM), and overall survival (OS)...
May 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28532858/ovarian-granulosa-cell-tumor-a-national-cancer-database-study
#12
Brandon-Luke L Seagle, Phoebe Ann, Sharlay Butler, Shohreh Shahabi
OBJECTIVE: To provide prognostic information from a large cohort of women with granulosa cell tumor we analyzed the National Cancer Database. METHODS: We performed an observational retrospective cohort analysis of 2680 women with ovarian granulosa cell tumor from the 1998-2013 National Cancer Database. Kaplan-Meier and multivariable Cox proportional-hazards survival analyses were performed for the overall cohort and propensity score matched cohorts to examine the association of surgical staging and adjuvant chemotherapy with survival...
May 19, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28530251/impact-of-resection-margin-status-on-oncological-outcomes-after-co2-laser-cordectomy
#13
P Aluffi Valletti, F Taranto, A Chiesa, F Pia, G Valente
The management of positive resection margins in micro-endoscopic glottic laser surgery remains a controversial and critical point. This study aims to assess the impact of margin status after transoral laser surgery on local control, survival and organ preservation rates; the decision- making process and treatment options in cases with positive margins are also discussed. We retrospectively reviewed the clinical and histological records of 308 consecutive patients with primary early glottic carcinoma (T1a, T1b, selected T2) and treated with endoscopic laser cordectomy...
May 22, 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28526903/compartmental-tongue-resection-with-submental-island-flap-reconstruction-for-large-carcinoma-of-the-oral-tongue
#14
Sameh Roshdy, Mohamed Elbadrawy, Ashraf Khater, Tamer Fady, Hend A El-Hadaad, Nazem Shams, Hany M Elbarbary
BACKGROUND: Tongue resection is a surgical challenge because of its adverse effects on language articulation, swallowing, respiration, the eventual quality of life, and poor prognosis of advanced disease. To date, the currently accepted standard treatment has been based on excision of the primary lesion with a 1.5-2-cm circumferential macroscopic margin. Compartmental tongue surgery (CTS) is a surgical technique that removes an anatomo-functional compartment containing the primary tumor...
May 19, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28526604/extramural-perineural-invasion-in-pt3-and-pt4-rectal-adenocarcinoma-as-prognostic-factor-after-preoperative-chemoradiotherapy
#15
Leonardo S Lino-Silva, Rosa A Salcedo-Hernández, Alejandro España-Ferrufino, Erika B Ruiz-García, Miguel Ruiz-Campos, Alberto M León-Takahashi, Abelardo Meneses-García
Perineural invasion (PNI) is widely studied in malignant tumors, and its prognostic significance is well demonstrated in the head and neck and prostate carcinomas, but its significance in rectal cancer is controversial. Most studies have focused on evaluating mural PNI (mPNI); however, extramural PNI (ePNI) may influence the prognosis after rectal cancer resection. We evaluated the prognostic value of ePNI compared with mPNI and with non-PNI, in rectal resections after preoperative chemoradiotherapy in 148 patients with pT3 and pT4 rectal carcinomas...
May 16, 2017: Human Pathology
https://www.readbyqxmd.com/read/28524055/risk-factors-associated-with-relapse-of-eyelid-basal-cell-carcinoma-results-from-a-retrospective-study-of-142-patients
#16
Giusy Fatigato, Silvano Capitani, Daniela Milani, Silvia Grassilli, Ayman Am Alameen, Marco Candiani, Carlo Riberti, Marco Galasso, Maurizio Previati
Of skin cancers, 9% arise at the periocular level, constituting a significant threat due to the proximity to intracranial structures, such as the eyes, nerve endings and proximal tissues. Tumour recurrence can be frequent and represents a primary clinical challenge for the surgeon. To present a retrospective study on the treatment of eyelid tumours at a tertiary care centre in Italy over an eight-year period and, in particular, to underline the risk factors associated with tumour relapse. Among a cohort of 205 patients, a retrospective study was conducted on 142 basal cell carcinoma (BCC) patients with eyelid tumours treated with surgical excision...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28523407/heterogeneous-oncologic-outcomes-according-to-surgical-pathology-in-high-risk-prostate-cancer-implications-for-better-risk-stratification-and-preoperative-prediction-of-oncologic-outcomes
#17
Seung-Kwon Choi, Myungsun Shim, Myong Kim, Myungchan Park, Sangmi Lee, Cheryn Song, Hyung-Lae Lee, Hanjong Ahn
PURPOSE: To evaluate the better risk stratification based on surgical pathology, and to predict oncologic outcomes after radical prostatectomy (RP) with a better scoring system in high-risk prostate cancer (PCa) patients. METHODS: We evaluated high-risk PCa patients (PSA >20 ng/ml, ≥cT3a, or Gleason score 8-10) who underwent RP between 2007 and 2013 at our institute. We classified patients into three groups according to their pathologic outcomes: favorable (pT2, Gleason score ≤7, and node negative), intermediate (specimen-confined disease (pT2-3a, node negative PCa with negative surgical margins) but not in the favorable group), and unfavorable (the remaining patients)...
May 18, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28521422/clinical-outcomes-and-prognostic-factors-of-resected-pancreatic-neuroendocrine-neoplasms-a-single-center-experience-in-china
#18
Kaizhou Jin, Guopei Luo, Jin Xu, Bo Zhang, Chen Liu, Shunrong Ji, Liang Liu, Jiang Long, Quanxing Ni, Xianjun Yu
The aim of the present study was to investigate the clinical, pathological and prognostic characteristics of Chinese patients with resected pancreatic neuroendocrine neoplasms (p-NENs). Data from patients who were surgically treated and pathologically diagnosed with p-NENs at the Department of Pancreatic Oncology of the Fudan University Shanghai Cancer Center (Shanghai, China), between January 2003 and July 2015, were evaluated using univariate and multivariate analyses. A total of 162 patients with p-NENs met the criteria of the present study and were included in the analysis...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28515411/evaluating-myometrial-invasion-in-endometrial-cancer-comparison-of-reduced-field-of-view-diffusion-weighted-imaging-and-dynamic-contrast-enhanced-mr-imaging
#19
Mayumi Takeuchi, Kenji Matsuzaki, Masafumi Harada
PURPOSE: To compare the diagnostic ability of reduced field-of-view (FOV) diffusion-weighted (DW) magnetic resonance (MR) imaging with that of three-dimensional (3D) dynamic contrast-enhanced (DCE) MR imaging in evaluating the depth of myometrial invasion in patients with endometrial cancer. METHODS: Three tesla (3T) MR images including T2-weighted imaging, reduced FOV DW imaging and 3D DCE MR imaging in sagittal and oblique axial (short axis) planes in 25 women with surgically proven endometrial cancer were retrospectively evaluated...
May 18, 2017: Magnetic Resonance in Medical Sciences: MRMS
https://www.readbyqxmd.com/read/28514220/case-242-radiation-induced-angiosarcoma
#20
Meredith Disharoon, Kamilia F Kozlowski, Jessica M Kaniowski
History In 2004, this woman received a diagnosis of invasive mammillary carcinoma, tubular variant, strongly positive for estrogen and progesterone receptors. Her lesion was found at screening mammography performed at an outside institution when she was 59 years old. She underwent partial mastectomy, with partial axillary node dissection and sentinel node mapping. A 0.6 × 0.5 cm Nottingham grade 1 infiltrating ductal carcinoma was removed from the right upper outer quadrant, margins were free of tumor, and there was no angiolymphatic invasion...
June 2017: Radiology
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