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(Cutaneous metastasis) melanoma

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https://www.readbyqxmd.com/read/28423984/congenital-amelanotic-melanoma-in-a-crossbred-heifer-calf
#1
Christine M Winslow, Jason Wood, John N Gilliam, Melanie A Breshears
A large, pedunculated cutaneous mass protruding from the left flank fold and an enlarged left prefemoral lymph node were found on examination of a 3-d-old crossbred Aberdeen Angus heifer. The calf was asymptomatic aside from peripheral lymphadenopathy, and the mass, along with the left prefemoral lymph node, was surgically excised. Histologic examination of the mass and the lymph node revealed a homogeneous population of neoplastic cells that stained positively with immunohistochemical stains S100 and melan A, supporting a diagnosis of congenital amelanotic melanoma with nodal metastasis...
April 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28419674/prognostic-risk-factors-of-first-recurrence-in-patients-with-primary-stage-i-ii-cutaneous-malignant-melanoma-from-the-population-based-swedish-melanoma-register
#2
J Lyth, M Falk, M Maroti, H Eriksson, C Ingvar
BACKGROUND: Prognostic factors in patients with localised primary cutaneous malignant melanoma (CMM) are well described. However, prognostic factors for recurrence are less documented. OBJECTIVES: The aim of this study was to identify prognostic risk factors for first recurrence in patients with localised stage I-II CMM using population-based data. METHODS: This study included 1 437 CMM patients registered in one region of Sweden during 1999-2012 followed-up through December 31, 2012...
April 17, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28417477/a-flexible-family-of-transformation-cure-rate-models
#3
M V Koutras, F S Milienos
In this paper, we introduce a flexible family of cure rate models, mainly motivated by the biological derivation of the classical promotion time cure rate model and assuming that a metastasis-competent tumor cell produces a detectable-tumor mass only when a specific number of distinct biological factors affect the cell. Special cases of the new model are, among others, the promotion time (proportional hazards), the geometric (proportional odds), and the negative binomial cure rate model. In addition, our model generalizes specific families of transformation cure rate models and some well-studied destructive cure rate models...
April 17, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28415693/ccr4-is-a-determinant-of-melanoma-brain-metastasis
#4
Anat Klein, Orit Sagi-Assif, Tsipi Meshel, Alona Telerman, Sivan Izraely, Shlomit Ben-Menachem, Jagadeesh Bayry, Diego M Marzese, Shuichi Ohe, Dave S B Hoon, Neta Erez, Isaac P Witz
We previously identified the chemokine receptor CCR4 as part of the molecular signature of melanoma brain metastasis. The aim of this study was to determine the functional significance of CCR4 in melanoma brain metastasis. We show that CCR4 is more highly expressed by brain metastasizing melanoma cells than by local cutaneous cells from the same melanoma. Moreover, we found that the expression of CCR4 is significantly higher in paired clinical specimens of melanoma metastases than in samples of primary tumors from the same patients...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28399340/what-s-new-in-eyelid-tumors
#5
Nora Silverman, Roman Shinder
Eyelid malignancies represent between 5% and 10% of all skin cancers. Basal cell carcinoma is the most common, followed by squamous cell carcinoma, sebaceous cell carcinoma, Merkel cell carcinoma, and melanoma. The gold standard treatment for periocular epithelial malignancies is surgical excision. Given the constraints of the anatomy and function of the eyelids, excision with negative margins and reconstruction can be challenging. In cases of significant tissue invasion or metastasis, complete tumor removal may not be possible...
March 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28377414/diagnostic-distinction-of-malignant-melanoma-and-benign-nevi-by-a-gene-expression-signature-and-correlation-to-clinical-outcomes
#6
Jennifer Ko, Balwir Matharoo-Ball, Steven D Billings, Brian J Thomson, Jean Y Tang, Kavita Y Sarin, Emily Cai, Jinah Kim, Colleen Rock, Hillary Kimbrell, Darl D Flake, M Bryan Warf, Jonathan Nelson, Thaylon Davis, Catherine Miller, Kristen Rushton, Anne-Renee Hartman, Richard J Wenstrup, Loren E Clarke
BACKGROUND: Histopathologic examination alone can be inadequate for diagnosis of certain melanocytic neoplasms. Recently, a 23-gene expression signature was clinically validated as an ancillary diagnostic test to differentiate benign nevi from melanoma. The current study assessed the performance of this test in an independent cohort of melanocytic lesions against clinically proven outcomes. METHODS: Archival tissue from primary cutaneous melanomas and melanocytic nevi was obtained from four independent institutions and tested with the gene signature...
April 4, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28361863/trichilemmal-cystis-in-metastatic-melanoma-a-case-report
#7
I Savarese, M Grazzini, A Gori, A D'Errico, L Doni, F Scarfì, P Covarelli, F Di Costanzo, V De Giorgi
The malignant melanoma is a neoplasm associated with a wide variety of cutaneous paraneoplastic syndromes, as dermatomyositis, systemic sclerosis, paraneoplastic pemphigus. We describe a case of four multiple trichilemmal cystis arising on frontal region in the same patient with brain metastasis and unknown primary melanoma and discuss their relationship.
March 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28342269/acral-lentiginous-melanoma-versus-other-melanoma-a-single-center-analysis-in-japan
#8
Maiko Wada, Takamichi Ito, Gaku Tsuji, Takeshi Nakahara, Akihito Hagihara, Masutaka Furue, Hiroshi Uchi
We summarize herein our 14-year experience of conventional treatment outcomes before the era of molecular-targeted therapy and immunotherapy. Specifically, we conducted a retrospective review of our 252 patients with primary cutaneous melanoma (acral lentiginous melanoma [ALM], n = 121; non-acral lentiginous melanoma [non-ALM], n = 131), and compared the prognostic factors between ALM and non-ALM. Melanoma-specific survival and disease-free survival were estimated using the Kaplan-Meier method. Regarding the results, all patients were Japanese (106 male and 146 female), with a mean age of 60...
March 24, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28329634/comparing-survival-of-patients-with-single-or-multiple-primary-melanoma-in-the-netherlands-1994-2009
#9
L M Pardo, R J T Ven der Leest, E De Vries, I Soerjomataram, T Nijsten, L M Hollestein
There is conflicting literature as to whether the survival of patients with multiple melanoma is worse that this of single melanoma cases. We used extended Cox-proportional hazard models to estimate hazard-ratios (HR) of patients with multiple melanomas against single melanomas. Data from the nationwide Dutch Cancer Registry was used to retrieve cutaneous melanoma cases between 1994 and 2009 and linked with municipal records to assess the vital status. To account for the longer survival in the multiple melanoma cases we modelled multiple melanoma as time-varying variable, as well as Breslow thickness, histological subtype and nodal/distant metastasis...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28326307/p75-neurotrophin-receptor-in-the-skin-beyond-its-neurotrophic-function
#10
REVIEW
Carlo Pincelli
p75 neurotrophin receptor (p75(NTR)), also known as CD271, is the low-affinity receptor that, together with the tyrosine kinase receptor tropomyosin-receptor kinase (Trk), mediate neurotrophin (NT) functions. Beside their classic role in skin innervation, NT and their receptors constitute a complex cutaneous network associated with a number of autocrine and paracrine activities. In this context, the role of p75(NTR) is becoming more and more important. This review will focus on the intriguing functions of p75(NTR) in healthy and diseased skin...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28300909/multiple-cutaneous-melanomas-associated-with-gastric-and-brain-metastases
#11
Lara Caroline Grander, Fernanda Cabral, Alice Paixão Lisboa, Gabrielle Vale, Carlos Baptista Barcaui, Juan Manuel Pineiro Maceira
The occurrence of multiple primary melanomas in a single individual is rare. Most commonly, malignant melanocytic lesions subsequent to the initial diagnosis of melanoma are secondary cutaneous metastases. We report a patient with gastrointestinal bleeding from gastric metastasis of cutaneous melanoma. During clinical evaluation and staging, we discovered a brain metastasis associated with 3 synchronous primary cutaneous melanomas. We suggest the research on the mutation in the cyclin-dependent kinase inhibitor 2A (CDKN2A) (INK4a) in such cases...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28295515/two-cases-of-melanomas-paradoxically-metastasizing-to-the-intestinal-tract-during-nivolumab-therapy
#12
Hajime Miyazawa, Teruki Yanagi, Yasuyuki Yamaguchi, Keisuke Imafuku, Shinya Kitamura, Hiroo Hata, Jiro Uehara, Nobuki Ichikawa, Yosuke Ohno, Tadashi Yoshida, Shigenori Homma, Hideki Kawamura, Akinobu Taketomi, Hiroshi Shimizu
We report two cases of melanomas in patients who developed intestinal metastasis despite other metastatic sites responding to nivolumab and despite the patients having favorable findings such as vitiligo and normal lactate dehydrogenase. The first case is an 85-year-old man who had been administrated nivolumab for lung/cutaneous metastases. After 22 courses of nivolumab therapy, fever and anorexia had appeared and his bodyweight had decreased. An intussusception on the ileocecal valve was revealed by computed tomography, and emergency surgery revealed metastatic lesions on the colon...
March 11, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28290623/sequential-monitoring-of-pigmented-lesions-during-dabrafenib-treatment-a-prospective-study-and-a-literature-overview
#13
Emi Dika, Martina Lambertini, Pier A Fanti, Bianca M Piraccini, Carlotta Gurioli, Giulia M Ravaioli, Marco A Chessa, Alessandro Traniello Gradassi, Barbara Melotti, Francesca Sperandi, Annalisa Patrizi
BACKGROUND: Targeted therapies in melanoma have shown clinical benefit in incrementing the overall survival of metastatic patients. However, cutaneous adverse events have been frequently associated with these drugs. METHODS: We report our experience in the management of patients treated with dabrafenib for metastatic melanoma, focusing on the monitoring of pigmented lesions. Dermatologic evaluation was performed during the first visit, at the start of each treatment and subsequently after every four weeks...
March 14, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28266733/a-pulmonary-metastatic-model-of-murine-melanoma-assessed-by-magnetic-resonance-imaging
#14
Takafumi Numata, Shigeru Kiryu, Tatsuo Maeda, Chizu Egusa, Ryoji Tsuboi, Kazutoshi Harada
BACKGROUND: Immune checkpoint inhibitors and kinase inhibitors have improved prognosis of malignant melanoma (MM) patients. However these therapies cannot completely overcome the metastasis of MM. Thus development of new therapy against metastasis should be required. A first step towards this goal, the aim of this study, is to establish a model of pulmonary metastasis from primary cutaneous MM and a monitoring system. EXPERIMENTAL DESIGN: B16-F10, a murine melanoma cell line, was subcutaneously injected into the pinna of mice...
March 7, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28252938/transdermal-gene-delivery-by-functional-peptide-conjugated-cationic-gold-nanoparticle-reverses-the-progression-and-metastasis-of-cutaneous-melanoma
#15
Jie Niu, Yang Chu, Yan-Fen Huang, Yee-Song Chong, Zhi-Hong Jiang, Zheng-Wei Mao, Li-Hua Peng, Jian-Qing Gao
Permeability barrier imposed by stratum corneum makes an extreme challenge for the topical delivery of plasmid DNA (pDNA), which is widely used in gene therapy. Existing techniques to overcome the skin barrier for bio-macromolecules delivery rely on sophisticated mechanical devices. It is still a big challenge to treat the skin cancer, for example, melanoma, that initiates in the dermal layer by topical gene therapy. To facilitate the skin penetration of pDNA deeply into the melanoma tissues, we here present a cell-penetrating peptide and cationic poly(ethyleneimine) conjugated gold nanoparticle (AuPT) that can compact the pDNAs into cationic nanocomplexes and penetrate through the intact stratum corneum without any additional enhancement used...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28240745/the-biological-and-prognostic-significance-of-angiotropism-in-uveal-melanoma
#16
Raymond L Barnhill, Mengliang Ye, Aude Batistella, Marc-Henri Stern, Sergio Roman-Roman, Rémi Dendale, Olivier Lantz, Sophie Piperno-Neumann, Laurence Desjardins, Nathalie Cassoux, Claire Lugassy
Angiotropism is a marker of extravascular migration of melanoma cells along vascular and other structures and a prognostic factor in cutaneous melanoma. Because of this biological and prognostic importance in cutaneous melanoma, angiotropism was studied in uveal melanoma (UM). This retrospective study performed at a single ocular oncology referral center included 89 patients from the study period 2006-2008. All patients were diagnosed with UM from the choroid and/or ciliary body. All patients underwent enucleation for prognostic purposes and definitive therapy...
February 27, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28229253/the-biology-of-uveal-melanoma
#17
Adriana Amaro, Rosaria Gangemi, Francesca Piaggio, Giovanna Angelini, Gaia Barisione, Silvano Ferrini, Ulrich Pfeffer
Uveal melanoma (UM), a rare cancer of the eye, is distinct from cutaneous melanoma by its etiology, the mutation frequency and profile, and its clinical behavior including resistance to targeted therapy and immune checkpoint blockers. Primary disease is efficiently controlled by surgery or radiation therapy, but about half of UMs develop distant metastasis mostly to the liver. Survival of patients with metastasis is below 1 year and has not improved in decades. Recent years have brought a deep understanding of UM biology characterized by initiating mutations in the G proteins GNAQ and GNA11...
March 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28224364/the-impact-of-smoking-on-sentinel-node-metastasis-of-primary-cutaneous-melanoma
#18
Maris S Jones, Peter C Jones, Stacey L Stern, David Elashoff, Dave S B Hoon, John Thompson, Nicola Mozzillo, Omgo E Nieweg, Dirk Noyes, Harald J Hoekstra, Jonathan S Zager, Daniel F Roses, Alessandro Testori, Brendon J Coventry, Mark B Smithers, Robert Andtbacka, Doreen Agnese, Erwin Schultz, Eddy C Hsueh, Mark Kelley, Schlomo Schneebaum, Lisa Jacobs, Tawnya Bowles, Mohammed Kashani-Sabet, Douglas Johnson, Mark B Faries
BACKGROUND: Although a well-established causative relationship exists between smoking and several epithelial cancers, the association of smoking with metastatic progression in melanoma is not well studied. We hypothesized that smokers would be at increased risk for melanoma metastasis as assessed by sentinel lymph node (SLN) biopsy. METHODS: Data from the first international Multicenter Selective Lymphadenectomy Trial (MSLT-I) and the screening-phase of the second trial (MSLT-II) were analyzed to determine the association of smoking with clinicopathologic variables and SLN metastasis...
February 21, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28195965/pleural-metastasis-from-cutaneous-malignant-melanoma
#19
Andrea K Mytinger, Kaiser G Lim, Ryan M Kern, John J Mullon, Eric S Edell, Ali I Saeed
No abstract text is available yet for this article.
February 10, 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28182109/acute-truncal-lymphedema-secondary-to-axillary-metastatic-melanoma-presenting-like-cellulitis
#20
Shelley J E Hwang, Benjamin Y Kong, Shaun Chou, Deepal Wakade, Matteo S Carlino, Pablo Fernandez-Penas
There are reported cases of diphencyprone used in treating cutaneous metastases of melanoma. Here, we report a patient with previous primary melanoma on his left back treated with surgical excision and lymphadenectomy, followed by radiotherapy for the recurrent tumor on the primary site. Despite radiotherapy and treatment with dabrafenib and trametinib, in-transit metastases have developed and topical diphencyprone was applied to these metastases. Six weeks later, the patient developed fever and a spreading erythematous tender indurated plaque covering the left side of the body including axillae, back, and flank, clinically suggestive of cellulitis...
2017: Case Reports in Medicine
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