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Melanoma pathology

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https://www.readbyqxmd.com/read/28738392/multiple-lymph-node-basin-drainage-in-trunk-melanoma-is-not-associated-with-survival-of-sentinel-lymph-node-positive-patients
#1
Simone Ribero, Simona Osella Abate, Sadro Pasquali, Carlo Riccardo Rossi, Lorenzo Borgognoni, Dario Piazzalunga, Nicola Solari, Mauro Schiavon, Paola Brandani, Luca Ansaloni, Erica Ponte, Francesco Silan, Antonio Sommariva, Francesco Bellucci, Giuseppe Macripò, Pietro Quaglino
OBJECTIVES: This study was aimed at investigating the prognostic role of multiple lymph node basin drainage (MLBD) in patients with positive sentinel lymph node (SLN) biopsy. BACKGROUND: MLBD is frequently observed in patients with trunk melanoma undergoing SLN. The prognostic value of MLBD in SLN-positive patients is still debated. METHODS: Retrospective data from 312 trunk melanoma patients with positive SLN biopsy (1991-2012) at 6 Italian referral centres were gathered in a multicentre database...
July 25, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28736233/continued-increase-in-melanoma-incidence-across-all-socioeconomic-status-groups-in-california-1998-2012
#2
Christina A Clarke, Meg McKinley, Susan Hurley, Robert W Haile, Sally L Glaser, Theresa H M Keegan, Susan M Swetter
Melanoma incidence has been increasing in light-skinned populations worldwide, but the reasons for the increase have been controversial. Our prior assessment in California non-Hispanic whites showed substantial increases in invasive melanoma incidence for tumors of all thicknesses in all neighborhoods categorized by socioeconomic status (SES) between 1988-1992 and 1998-2002. To understand whether these trends continued, we updated our assessment to include the diagnosis period 2008-2012 and more accurate pathologic stage at diagnosis...
July 20, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28735439/surgical-management-of-periocular-cancers-high-and-low-risk-features-drive-treatment
#3
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/28731051/neurotropic-melanoma-an-analysis-of-the-clinicopathological-features-management-strategies-and-survival-outcomes-for-671-patients-treated-at-a-tertiary-referral-center
#4
Alexander H R Varey, Chris Goumas, Angela M Hong, Graham J Mann, Gerald B Fogarty, Jonathan R Stretch, Robyn P M Saw, Andrew J Spillane, Kerwin F Shannon, Kenneth J Lee, Michael J Quinn, John F Thompson, Richard A Scolyer
Neurotropic cutaneous melanoma is a rare melanoma subtype that invades nerves and is often associated with desmoplastic melanoma. Limited data suggest that it has a greater propensity to recur locally, but it is unknown whether its behavior differs from that of other melanoma subtypes, including desmoplastic melanoma. We investigated clinicopathological predictors of outcome in a cohort of 671 patients with neurotropic melanoma to develop evidence-based management recommendations. Patients with primary neurotropic melanoma diagnosed from 1985 to 2013 were identified from the Melanoma Institute Australia database, along with a control cohort of 718 non-neurotropic melanoma patients...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28731044/computer-assisted-measurement-of-primary-tumor-area-is-prognostic-of-recurrence-free-survival-in-stage-ib-melanoma-patients
#5
Brooke E Rosenbaum, Christine N Schafer, Sung Won Han, Iman Osman, Hua Zhong, Nooshin Brinster
Current staging guidelines are insufficient to predict which patients with thin primary melanoma are at high risk of recurrence. Computer-assisted image analysis may allow for more practical and objective histopathological analysis of primary tumors than traditional light microscopy. We studied a prospective cohort of stage IB melanoma patients treated at NYU Langone Medical Center from 2002 to 2014. Primary tumor width, manual area, digital area, and conformation were evaluated in a patient subset via computer-assisted image analysis...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28724272/patients-characteristics-histopathological-findings-and-tumor-stage-in-different-types-of-malignant-melanoma-a-retrospective-multicenter-study
#6
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
https://www.readbyqxmd.com/read/28724122/association-between-patient-age-and-lymph-node-positivity-in-thin-melanoma
#7
Andrew J Sinnamon, Madalyn G Neuwirth, Pratyusha Yalamanchi, Phyllis Gimotty, David E Elder, Xiaowei Xu, Rachel R Kelz, Robert E Roses, Emily Y Chu, Michael E Ming, Douglas L Fraker, Giorgos C Karakousis
Importance: More than half of all new melanoma diagnoses present as clinically localized T1 melanoma, yet sentinel lymph node biopsy (SLNB) is controversial in this population given the overall low yield. Guidelines for SLNB have focused on pathologic factors, but patient factors, such as age, are not routinely considered. Objectives: To identify indicators of lymph node (LN) metastasis in thin melanoma in a large, generalizable data set and to evaluate the association between patient age and LN positivity...
July 19, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28714863/dna-methylation-based-immune-response-signature-improves-patient-diagnosis-in-multiple-cancers
#8
Jana Jeschke, Martin Bizet, Christine Desmedt, Emilie Calonne, Sarah Dedeurwaerder, Soizic Garaud, Alexander Koch, Denis Larsimont, Roberto Salgado, Gert Van den Eynden, Karen Willard Gallo, Gianluca Bontempi, Matthieu Defrance, Christos Sotiriou, François Fuks
BACKGROUND: The tumor immune response is increasingly associated with better clinical outcomes in breast and other cancers. However, the evaluation of tumor-infiltrating lymphocytes (TILs) relies on histopathological measurements with limited accuracy and reproducibility. Here, we profiled DNA methylation markers to identify a methylation of TIL (MeTIL) signature that recapitulates TIL evaluations and their prognostic value for long-term outcomes in breast cancer (BC). METHODS: MeTIL signature scores were correlated with clinical endpoints reflecting overall or disease-free survival and a pathologic complete response to preoperative anthracycline therapy in 3 BC cohorts from the Jules Bordet Institute in Brussels and in other cancer types from The Cancer Genome Atlas...
July 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28711897/studying-risk-factors-for-skin-cancer-development
#9
Оlena О Оshyvalova
INTRODUCTION: In most countries with a population of mainly European origin, non-melanoma skin carcinoma incidence rate has increased over the last decade. Understanding of what is the best way to identify people at high risk for skin cancer development will help to optimize the strategy for prevention and treatment tactics. Aim of the research involves studying risk factors for skin cancer development in patients with cutaneous squamous cell carcinoma and squamous cell carcinoma in situ (cSCC and SCCis correspondingly) and patients with actinic keratosis (AK)...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28705794/targeted-disruption-of-jcad-junctional-protein-associated-with-coronary-artery-disease-kiaa1462-a-coronary-artery-disease-associated-gene-product-inhibits-angiogenic-processes-in-vitro-and-in-vivo
#10
Tetsuya Hara, Tomoko Monguchi, Noriko Iwamoto, Masaya Akashi, Kenta Mori, Toshihiko Oshita, Mitsumasa Okano, Ryuji Toh, Yasuhiro Irino, Masakazu Shinohara, Yui Yamashita, Go Shioi, Mikio Furuse, Tatsuro Ishida, Ken-Ichi Hirata
OBJECTIVE: Recent genome-wide association studies newly identified the human KIAA1462 gene as a new locus for coronary artery disease. However, the function of the gene product, named JCAD (junctional protein associated with coronary artery disease), is unknown. Because JCAD is expressed at cell-cell junctions in endothelial cells, we hypothesized and tested whether JCAD regulates angiogenic processes in vitro and in vivo. APPROACH AND RESULTS: Cell culture experiments revealed impaired angiogenic ability (proliferation, migration, and cord formation) by the knockdown of JCAD with siRNA (P<0...
July 13, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28704985/the-large-spectrum-of-spitzoid-tumours-a-retrospective-survival-study
#11
Paolo Broganelli, Simone Ribero, Ilaria Castagno, Fulvio Ricceri, Tommaso Deboli, Elena Marra, Carlo Tomasini, Carlotta Sacerdote, Simona Osella-Abate, Martina Sanlorenzo, Pietro Quaglino, Maria T Fierro
BACKGROUND: There is no universally-accepted classification of spitzoid tumours. This makes difficult to assign a correct diagnosis and select a treatment that minimises the risk of overestimating, or worse, underestimating, the malignant potential of these tumours. To describe the clinical-pathological and epidemiological features of spitzoid tumours, as well as to assess mortality in these patients. METHODS: This retrospective cohort study looked at data on spitzoid tumours excised in 1999-2012 at the Dermatologic Clinic of the Turin University Hospital...
July 11, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28704910/late-developing-metastatic-malignant-melanoma-in-the-thoracic-spine-originating-from-choroidal-melanoma
#12
Jun Kyu Hwang, Kyung Hyun Kim, Ji Sup Kim, Sung Jun Ahn, Sung Uk Kuh
A 54-year-old woman visited Gangnam Severance Hospital for left side flank pain. She had a history of total removal of malignant melanoma on the left eye ball 20 years prior. No evaluation had been performed since then. A paravertebral mass at thoracic ninth level (T9) was discovered on spinal magnetic resonance imaging, and pathology confirmed malignant melanoma. Following positron emission tomography-computed tomography, no other metastasis was discovered. After removal of the paravertebral mass, palliative chemotherapy (dacabarzine + tamoxifene) was administered in 3 cycles over 2 months...
June 2017: Korean Journal of Spine
https://www.readbyqxmd.com/read/28699528/targeting-cd147-is-a-novel-strategy-for-antitumor-therapy
#13
ChengXiang Lian, Yeye Guo, Jianglin Zhang, Xiang Chen, Cong Peng
CD147 is a membrane protein belonging to immunoglobulin superfamily and expressed in the cell membrane, which is also named with an extracellular matrix metalloproteinase inducer (EMMPRIN) because this molecule induces adjacent fibroblasts or tumor cells to produce MMPs, facilitating tumor cells migration and invasion. Accumulating evidences have shown that CD147 is over-expressed in various tumors, including melanoma, liver cancer, and lung cancer, and orchestrates tumor cell proliferation, apoptosis, invasion and metastasis, multidrug resistance and glycolysis through critical molecules such as MMPs, MCTs, Caveolin-1, and VEGF...
July 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28698624/naringenin-impairs-two-pore-channel-2-activity-and-inhibits-vegf-induced-angiogenesis
#14
Irene Pafumi, Margherita Festa, Francesca Papacci, Laura Lagostena, Cristina Giunta, Vijay Gutla, Laura Cornara, Annarita Favia, Fioretta Palombi, Franco Gambale, Antonio Filippini, Armando Carpaneto
Our research introduces the natural flavonoid naringenin as a novel inhibitor of an emerging class of intracellular channels, Two-Pore Channel 2 (TPC2), as shown by electrophysiological evidence in a heterologous system, i.e. Arabidopsis vacuoles lacking endogenous TPCs. In view of the control exerted by TPC2 on intracellular calcium signaling, we demonstrated that naringenin dampens intracellular calcium responses of human endothelial cells stimulated with VEGF, histamine or NAADP-AM, but not with ATP or Angiopoietin-1 (negative controls)...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28685998/iridociliary-cysts-masquerading-as-neoplasia-in-cats-a-morphologic-review-of-14-cases
#15
Jessica A Fragola, Richard R Dubielzig, Ellison Bentley, Leandro B C Teixeira
OBJECTIVE: To report 14 neoplasia-free feline eyes enucleated for suspected intraocular neoplasia containing only iridociliary cysts. To analyze clinical findings that may have led veterinarians to suspect neoplasia in these globes. PROCEDURES: The archives at the Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW) were searched to identify neoplasia-free feline globes enucleated for suspected neoplasia. Clinical data were obtained from medical records, veterinarian surveys, and COPLOW submission forms...
July 6, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28685072/primary-malignant-melanoma-of-the-lung-a-case-report
#16
Yoko Yamamoto, Ken Kodama, Tomohiro Maniwa, Masashi Takeda, Yuuka Tanaka, Kentaro Ozawa, Taiki Isei
Malignant melanoma involving the respiratory tract is nearly always metastatic from a cutaneous lesion. Primary malignant melanoma of the lung (PMML) is very rare. We herein report the case of a 61-year-old female patient with PMML who presented with a small nodule in the lower lobe of the left lung on chest computed tomography. As an intraoperative diagnosis of malignant melanoma was made, left lower lobectomy with systematic lymph node dissection were performed. Pathologically, there were no lymph node or intrapulmonary metastases...
July 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28681540/expression-of-monoacylglycerol-lipase-as-a-marker-of-tumour-invasion-and-progression-in-malignant-melanoma
#17
Y Baba, T Funakoshi, M Mori, K Emoto, Y Masugi, S Ekmekcioglu, M Amagai, K Tanese
BACKGROUND: Accumulating evidence suggests that the lipid lytic enzyme monoacylglycerol lipase (MAGL) promotes tumour invasion and metastasis through up-regulation of pro-tumourigenic signalling lipids in several tumour cell lines. However, the expression status of MAGL in clinical melanoma tissues and its clinico-pathological significance remain unclear. OBJECTIVE: To correlate the tumour expression status of MAGL with the clinico-pathological information of patients with malignant melanoma...
July 6, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28678151/can-integrin-agonists-have-cards-to-play-against-cancer-a-literature-survey-of-small-molecules-integrin-activators
#18
REVIEW
Alessandra Tolomelli, Paola Galletti, Monica Baiula, Daria Giacomini
The ability of integrins to activate and integrate intracellular communication illustrates the potential of these receptors to serve as functional distribution hubs in a bi-directional signal transfer outside-in and inside-out of the cells. Tight regulation of the integrin signaling is paramount for normal physiological functions such as migration, proliferation, and differentiation, and misregulated integrin activity could be associated with several pathological conditions. Because of the important roles of integrins and their ligands in biological development, immune responses, leukocyte traffic, haemostasis, and cancer, their potential as therapeutic tools is now widely recognized...
July 5, 2017: Cancers
https://www.readbyqxmd.com/read/28676162/skin-and-composite-grafting-techniques-in-facial-reconstruction-for-skin-cancer
#19
REVIEW
Michael J Brenner, Jeffrey S Moyer
Skin and composite grafting provide effective resurfacing and reconstruction for cutaneous defects after excision of the malignancy. The goal is to restore a natural appearance and function while preventing distortion of the eyelid, nose, or lips. With careful planning and attention to aesthetic subunits, the surgeon can camouflage incisions and avoid blunting aesthetically sensitive sulci. The surgical plan is also informed by the pathology, as basal or squamous cell carcinomas removed by Mohs micrographic excision have different prognostic and logistical considerations from melanoma...
August 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28673886/newly-diagnosed-sellar-tumors-in-cancer-patients-a-diagnostic-challenge-and-management-dilemma
#20
Carlos R Goulart, Smita Upadhyay, Leo F S Ditzel Filho, Andre Beer-Furlan, Ricardo L Carrau, Luciano M Prevedello, Daniel M Prevedello
OBJECTIVE: The use of PET CT for staging in cancer patients and the widespread use of MRI led to an increased incidence of incidental sellar mass detection. The imaging findings can be suggestive of a benign pituitary tumor but metastasis can never be completely ruled out with non-invasive work-up. Appropriate diagnosis of these sellar masses is critical as the treatment paradigm might change in the presence of a pituitary metastasis. Moreover, definitive tissue diagnosis might prevent unnecessary radiotherapy to the skull base or even the need for systemic treatment when benign pituitary disease is confirmed...
June 30, 2017: World Neurosurgery
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