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Mitotic rate and melanoma

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https://www.readbyqxmd.com/read/29423113/cks1-expression-in-melanocytic-nevi-and-melanoma
#1
Anna A Brożyna, Andrew Aplin, Cynthia Cohen, Grant Carlson, Andrew Joseph Page, Michael Murphy, Andrzej T Slominski, J Andrew Carlson
Cyclin-dependent kinase subunit 1 (Cks1) regulates the degradation of p27, an important G1-S inhibitor, which is up regulated by MAPK pathway activation. In this study, we sought to determine whether Cks1 expression is increased in melanocytic tumors and correlates with outcome and/or other clinicopathologic prognostic markers. Cks1 expression was assessed by immunohistochemistry in 298 melanocytic lesions. The frequency and intensity of cytoplasmic and nuclear expression was scored as a labeling index and correlated with clinico-pathological data...
January 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29410238/selective-hemangioma-cell-dysfunction-and-apoptosis-triggered-by-in-vitro-treatment-with-imiquimod
#2
Rodrigo Rocco, Nadia Alegre, Roberto Pozner, Rosa Wainstok, Silvina Gazzaniga
Infantile hemangiomas are the most common benign tumors of infancy, characterized by unregulated angiogenesis and endothelial cells with high mitotic rate. Although spontaneous regression occurs, sometimes treatment is required and alternatives to corticosteroids should be considered to reduce side effects. Imiquimod is an imidazoquinoline, approved for some skin pathologies other than hemangioma. It is proposed that the effectiveness of imiquimod comes from the activation of immune cells at tumor microenvironment...
February 1, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29402264/performance-of-a-prognostic-31-gene-expression-profile-in-an-independent-cohort-of-523-cutaneous-melanoma-patients
#3
Jonathan S Zager, Brian R Gastman, Sancy Leachman, Rene C Gonzalez, Martin D Fleming, Laura K Ferris, Jonhan Ho, Alexander R Miller, Robert W Cook, Kyle R Covington, Kristen Meldi-Plasseraud, Brooke Middlebrook, Lewis H Kaminester, Anthony Greisinger, Sarah I Estrada, David M Pariser, Lee D Cranmer, Jane L Messina, John T Vetto, Jeffrey D Wayne, Keith A Delman, David H Lawson, Pedram Gerami
BACKGROUND: The heterogeneous behavior of patients with melanoma makes prognostication challenging. To address this, a gene expression profile (GEP) test to predict metastatic risk was previously developed. This study evaluates the GEP's prognostic accuracy in an independent cohort of cutaneous melanoma patients. METHODS: This multi-center study analyzed primary melanoma tumors from 523 patients, using the GEP to classify patients as Class 1 (low risk) and Class 2 (high risk)...
February 5, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29398454/melanoma-in-the-very-elderly-management-in-patients-85years-of-age-and-over
#4
Matthew J Rees, Henry Liao, John Spillane, David Speakman, Chris McCormack, Simon Donahoe, Miki Pohl, Angela Webb, David Gyorki, Michael A Henderson
OBJECTIVES: Melanoma treatment in the elderly can entail complex decision making. This study characterizes the presentation, management, and outcome of melanoma in the very elderly. METHOD: Retrospective review of all patients in their 85th year or older presenting to a tertiary referral cancer centre between 2000 and 2012 with American Joint Committee on Cancer stages 0-II cutaneous melanoma. RESULTS: 127 patients, 26 with in-situ disease and 101 with stages I-II disease, were included...
February 2, 2018: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/29377340/nuclear-pseudoinclusions-in-melanoma-cells-prognostic-fact-or-artifact-the-possible-role-of-golgi-phosphoprotein-3-overexpression-in-nuclear-pseudoinclusions-generation
#5
Piotr Donizy, Maciej Kaczorowski, Przemyslaw Biecek, Agnieszka Halon, Rafal Matkowski
Nuclear pseudoinclusions (NPIs) are classically found in papillary thyroid carcinoma and meningioma. Although NPIs have been described in melanocytic lesions, there is no systematic analysis of potential relationship between NPIs and other clinicopathological characteristics of melanoma. We examined the presence of NPIs in H&E-stained tissue sections form 96 melanomas and analyzed statistical associations with important clinicopathological parameters and tissue immunoreactivity for selected proteins involved in epithelial-mesenchymal transition (SPARC, N-cadherin), cell adhesion and mobility (ALCAM, ADAM-10), regulation of mitosis (PLK1), cell survival (FOXP1) and functioning of Golgi apparatus (GOLPH3, GP73)...
January 29, 2018: Pathology International
https://www.readbyqxmd.com/read/29377314/chronology-of-regional-lymph-node-metastases-in-cutaneous-melanoma-a-model-based-on-mitotic-rate
#6
Antonio Tejera-Vaquerizo, Juan J Meléndez, Eduardo Nagore
Recently, the MSLT-II1 and DeCOG2 clinical trials have failed to demonstrate a benefit for the lymphadenectomy vs. observation in the setting of a patient with positive sentinel lymph node biopsy. Therefore, it is expected in the short term an increase in the patients with a more conservative management and obviously, more regional recurrences. This article is protected by copyright. All rights reserved.
January 29, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29285390/elevated-erythrocyte-sedimentation-rate-is-associated-with-metastatic-disease-and-worse-survival-in-patients-with-cutaneous-malignant-melanoma
#7
Faruk Tas, Kayhan Erturk
Elevated erythrocyte sedimentation rate (ESR) is common in cancer patients and it may affect survival. However, its clinical role and prognostic significance remain unknown in melanoma patients. The objective of the present study was to determine the clinical significance of the ESR levels in cutaneous melanoma patients. A total of 139 cutaneous melanoma patients were enrolled in this study and were retrospectively investigated. The median age of the patients was 52 years (range, 16-88 years). The median ESR was 22 mm/h (range, 2-122 mm/h)...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29285379/patient-age-and-cutaneous-malignant-melanoma-elderly-patients-are-likely-to-have-more-aggressive-histological-features-and-poorer-survival
#8
Faruk Tas, Kayhan Erturk
Patient age has been reported as a highly significant and strong predictor of the outcome in patients with cutaneous melanoma. The aim of the present study was to determine the clinical significance of patient age in Turkish patients with cutaneous melanoma. A total of 1,169 patients with pathologically proven cutaneous melanoma were enrolled. Age of patients was classified as young (<40 years), middle-aged (40-59 years) and old (≥60 years). The median age of the patients was 51 years (range, 16-104 years)...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29284501/nucleoli-cytomorphology-in-cutaneous-melanoma-cells-a-new-prognostic-approach-to-an-old-concept
#9
Piotr Donizy, Przemyslaw Biecek, Agnieszka Halon, Adam Maciejczyk, Rafal Matkowski
BACKGROUND: The nucleolus is an organelle that is an ultrastructural element of the cell nucleus observed in H&E staining as a roundish body stained with eosin due to its high protein content. Changes in the nucleoli cytomorphology were one of the first histopathological characteristics of malignant tumors. The aim of this study was to assess the relationship between the cytomorphological characteristics of nucleoli and detailed clinicopathological parameters of melanoma patients. Moreover, we analyzed the correlation between cytomorphological parameters of nucleoli and immunoreactivity of selected proteins responsible for, among others, regulation of epithelial-mesenchymal transition (SPARC, N-cadherin), cell adhesion and motility (ALCAM, ADAM-10), mitotic divisions (PLK1), cellular survival (FOXP1) and the functioning of Golgi apparatus (GOLPH3, GP73)...
December 29, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/29247507/clinicopathological-characteristics-of-cutaneous-malignant-melanoma-in-patients-at-a-tertiary-hospital-in-macaronesia-survival-as-a-function-of-locoregional-prognostic-factors-per-the-american-joint-committee-on-cancer
#10
Ricardo Fernández-de-Misa Cabrera, Benjamín González Delgado, Luisa E Gambra Michel, Cristian Casale, Antonio Lopez Figueroa, Jon Uña Gorospe, José C Martínez Cedrés, Miguel A Cabrera Suárez, Sofía Garrido Ríos, Noelia Hernández Hernández, Alejandro Tébar Díaz, Aitana Sánchez Barrios, Ana Allende Riera, Antonio Perera Molinero
BACKGROUND: Despite suffering high ultraviolet radiation levels, few data on malignant melanoma (MM) in Macaronesia are available. METHODS: Observational study of cutaneous MM cases diagnosed during a period of 12 years at a tertiary hospital in Canary Islands. RESULTS: A total of 532 patients (female/male = 1.4) with an average age of 56 years were included; 5% developed more than one MM, and 7% reported family history of MM. Phototype II (43%), dark eyes (41%), and dark hair (41%) predominated...
February 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29240580/prognostic-significance-of-periadnexal-extension-in-cutaneous-melanoma-and-its-implications-for-pathologic-reporting-and-staging
#11
Tristan J Dodds, Serigne Lo, Louise Jackett, Omgo Nieweg, John F Thompson, Richard A Scolyer
Tumor thickness is the strongest predictor of outcome for clinically localized melanoma. Therefore, accurate assessment is critical for appropriate staging, reliable estimation of prognosis, and management. When melanoma extends alongside skin adnexal structures more deeply than the main tumor mass (periadnexal extension), it is currently unknown whether the prognosis is more accurately reflected by the deepest point of periadnexal tumor extension or the main tumor mass. This study sought to address this question...
December 7, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29198779/mitotic-rate-is-associated-with-positive-lymph-nodes-in-thin-melanomas
#12
Lee Wheless, Chelsea A Isom, Mary A Hooks, Rondi M Kauffmann
BACKGROUND: The American Joint Commission on Cancer will remove mitotic rate from its staging guidelines in 2018. OBJECTIVE: Using a large nationally-representative cohort, we examined the association between mitotic rate and lymph node positivity among thin melanomas. METHODS: 149,273 thin melanomas in the National Cancer Database were examined for their association between high-risk features of mitotic rate, ulceration, and Breslow depth, with lymph node status...
November 30, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29194673/transected-thin-melanoma-implications-for-sentinel-lymph-node-staging
#13
Garth Herbert, Giorgos C Karakousis, Edmund K Bartlett, Salman Zaheer, Danielle Graham, Brian J Czerniecki, Douglas L Fraker, Charlotte Ariyan, Daniel G Coit, Mary S Brady
BACKGROUND AND OBJECTIVES: Indications for sentinel lymph node (SLN) biopsy in patients with thin melanoma (≤1 mm thick) are controversial. We asked whether deep margin (DM) positivity at initial biopsy of thin melanoma is associated with SLN positivity. METHODS: Cases were identified using prospectively maintained databases at two melanoma centers. Patients who had undergone SLN biopsy for melanoma ≤1 mm were included. DM status was assessed for association with SLN metastasis in univariate and multivariate analyses...
November 30, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29136296/scalp-melanoma-after-antihair-loss-mesotherapy
#14
LETTER
M Arenbergerova, P Arenberger, S Gkalpakiotis, R A Dahmen, E Sticova, A Fialova
No abstract text is available yet for this article.
November 14, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29135116/serum-s100b-levels-correlate-with-stage-n-status-mitotic-rate-and-disease-outcome-in-melanoma-patients-independent-to-ldh
#15
Athanasios Karonidis, Marina Mantzourani, Helen Gogas, Dimosthenis Tsoutsos
PURPOSE: S100B protein is currently used as an immunohistochemistry marker to confirm melanoma diagnosis in biopsy specimens. Moreover, accumulating evidence supports its potential use as a tumor biomarker in blood. This study aimed to explore the potential uses of serum S100B protein as a biomarker in melanoma patients. METHODS: From 2012 to 2015, 107 sequential patients were diagnosed and treated for melanoma. All patients were tested for serum S100B and lactate dehydrogenase (LDH) at diagnosis and during their regular follow-up...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29115977/clinicopathological-predictors-of-recurrence-in-nodular-and-superficial-spreading-cutaneous-melanoma-a-multivariate-analysis-of-214-cases
#16
Maria A Pizzichetta, Daniela Massi, Mario Mandalà, Paola Queirolo, Ignazio Stanganelli, Vincenzo De Giorgi, Giovanni Ghigliotti, Stefano Cavicchini, Pietro Quaglino, Maria T Corradin, Pietro Rubegni, Mauro Alaibac, Stefano Astorino, Fabrizio Ayala, Serena Magi, Laura Mazzoni, Maria Ausilia Manganoni, Renato Talamini, Diego Serraino, Giuseppe Palmieri
BACKGROUND: Nodular melanoma (NM) accounts for most thick melanomas and because of their frequent association with ulceration, fast growth rate and high mitotic rate, contribute substantially to melanoma-related mortality. In a multicentric series of 214 primary melanomas including 96 NM and 118 superficial spreading melanoma (SSM), histopathological features were examined with the aim to identify clinicopathological predictors of recurrence. METHODS: All consecutive cases of histopathologically diagnosed primary invasive SSM and NM during the period 2005-2010, were retrieved from the 12 participating Italian Melanoma Intergroup (IMI) centers...
November 7, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29059142/impact-of-national-comprehensive-cancer-network-guidelines-on-case-selection-and-outcomes-for-sentinel-lymph-node-biopsy-in-thin-melanoma
#17
Bichchau Nguyen, Pritesh S Karia, Victoria M Hills, Robert J Besaw, Chrysalyne D Schmults
BACKGROUND: In 2010, the National Comprehensive Cancer Network (NCCN) recommended sentinel lymph node biopsy (SLNB) for thin melanomas ≤1 mm with mitotic rate (MR) ≥1. In 2016, the criteria were changed to Breslow depth >0.75 mm and MR ≥1. OBJECTIVE: To compare the impact of 2010 and 2016 NCCN guidelines on SLNB case selection and thin melanoma outcomes. MATERIALS AND METHODS: Ten-year retrospective cohort of primary thin melanomas at an academic hospital was retroactively stratified for SLNB eligibility using the 2010 and 2016 NCCN guidelines...
October 20, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29049424/diagnostic-accuracy-of-virtual-pathology-vs-traditional-microscopy-in-a-large-dermatopathology-study
#18
Michael N Kent, Thomas G Olsen, Theresa A Feeser, Katherine C Tesno, John C Moad, Michael P Conroy, Mary Jo Kendrick, Sean R Stephenson, Michael R Murchland, Ayesha U Khan, Elizabeth A Peacock, Alexa Brumfiel, Michael A Bottomley
Importance: Digital pathology represents a transformative technology that impacts dermatologists and dermatopathologists from residency to academic and private practice. Two concerns are accuracy of interpretation from whole-slide images (WSI) and effect on workflow. Studies of considerably large series involving single-organ systems are lacking. Objective: To evaluate whether diagnosis from WSI on a digital microscope is inferior to diagnosis of glass slides from traditional microscopy (TM) in a large cohort of dermatopathology cases with attention on image resolution, specifically eosinophils in inflammatory cases and mitotic figures in melanomas, and to measure the workflow efficiency of WSI compared with TM...
October 11, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/29028110/melanoma-staging-evidence-based-changes-in-the-american-joint-committee-on-cancer-eighth-edition-cancer-staging-manual
#19
Jeffrey E Gershenwald, Richard A Scolyer, Kenneth R Hess, Vernon K Sondak, Georgina V Long, Merrick I Ross, Alexander J Lazar, Mark B Faries, John M Kirkwood, Grant A McArthur, Lauren E Haydu, Alexander M M Eggermont, Keith T Flaherty, Charles M Balch, John F Thompson
Answer questions and earn CME/CNE To update the melanoma staging system of the American Joint Committee on Cancer (AJCC) a large database was assembled comprising >46,000 patients from 10 centers worldwide with stages I, II, and III melanoma diagnosed since 1998. Based on analyses of this new database, the existing seventh edition AJCC stage IV database, and contemporary clinical trial data, the AJCC Melanoma Expert Panel introduced several important changes to the Tumor, Nodes, Metastasis (TNM) classification and stage grouping criteria...
November 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28958277/tumor-mitotic-rate-and-association-with-recurrence-in-sentinel-lymph-node-negative-stage-ii-melanoma-patients
#20
Shachar Laks, Michael O Meyers, Allison M Deal, Jill S Frank, Karyn B Stitzenberg, Jen Jen Yeh, Nancy E Thomas, David W Ollila
Tumor mitotic rate (TMR) is a known prognostic variable in thin melanoma patients. Its significance in stage II melanoma patients is yet to be demonstrated. Retrospective analysis of a prospective melanoma database from 9/1997 to 7/2015 was performed. All stage II melanoma, with documented TMR, and six months of follow-up were included. We evaluated the association of clinicopathologic variables, TMR, as a continuous and categorical variable with recurrence-free survival (RFS) and overall survival (OS) using Cox proportional hazards modeling...
September 1, 2017: American Surgeon
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