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Melanoma in situ

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https://www.readbyqxmd.com/read/28417551/morbidity-and-mortality-after-treatment-of-ewing-sarcoma-a-single-institution-experience
#1
Danielle Novetsky Friedman, Katherine Chastain, Joanne F Chou, Chaya S Moskowitz, Roberto Adsuar, Leonard H Wexler, Alexander J Chou, Amelia DeRosa, Joanne Candela, Heather Magnan, Shawn Pun, Tamara Kahan, Suzanne L Wolden, Paul A Meyers, Kevin C Oeffinger
BACKGROUND: Children, adolescents, and young adults treated for Ewing sarcoma (ES) are at risk for disease-related and treatment-related complications. We aimed to describe early and late overall mortality, cause-specific mortality, and key adverse health outcomes in a large, single-institutional cohort of patients with ES. METHODS: Patients with ES diagnosed at age less than 40 years and treated at Memorial Sloan Kettering between 1974 and 2012 were included. Overall survival was estimated using Kaplan-Meier methods...
April 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28411847/the-molecular-revolution-in-cutaneous-biology-era%C3%A2-of-cytogenetics-and-copy-number%C3%A2-analysis
#2
REVIEW
Jürgen Bauer
Development of karyotyping techniques in the 1950s sparked groundbreaking reports of chromosomal aberrations in cancer, such as the Philadelphia chromosome in chronic myelogenous leukemia in 1960, followed by a number of others. Spatial resolution of karyotyping is limited and vital tumor cells are required for metaphase preparation. To overcome these limitations, DNA hybridization techniques were developed. In situ hybridization of radioactively or fluorescence labeled RNA probes onto tumor samples allowed the identification of specific genomic regions, translocations and copy number alterations...
May 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28408199/interleukin-15-and-cisplatin-co-encapsulated-thermosensitive-polypeptide-hydrogels-for-combined-immuno-chemotherapy
#3
Xilong Wu, Yundi Wu, Hongbo Ye, Shuangjiang Yu, Chaoliang He, Xuesi Chen
In situ-forming thermosensitive hydrogels based on poly(ethylene glycol)-poly(γ-ethyl-l-glutamate) diblock copolymers (mPEG-b-PELG) were prepared for the co-delivery of interleukin-15 (IL-15) and cisplatin (CDDP). The polypeptide-based hydrogels as local drug delivery carriers could reduce the systemic toxicity, degrade thoroughly within 3weeks after subcutaneous injection into rats and display an acceptable biocompatibility. When incubated with mouse melanoma B16 cells, only the CDDP-treated groups had significant effects on the S phase cell-cycle arrest in melanoma cells...
April 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28397109/increasing-frequency-of-seborrheic-keratosis-diagnoses-as-a-favorable-consequence-of-teledermatology-based-skin-cancer-screening-a-cross-sectional-study-of-34-553-patients
#4
David Moreno-Ramírez, Jesús Raya-Maldonado, Macarena Morales-Conde, Teresa Ojeda-Vila, Francisco J Martín-Gutiérrez, Andrés Ruíz-de-Casas, Almudena Fernández-Orland, Herrerías-Esteban Jm, Lara Ferrándiz
BACKGROUND: Screening of skin cancer by teledermatology (TD) has improved the early detection of skin cancer by enhancing access to skin cancer clinics. OBJECTIVE: We sought to analyze how TD-based skin cancer screening has changed the frequency of consultations for benign lesions. PATIENTS AND METHODS: A cross-sectional study including teleconsultations received during a 7-year period was conducted to analyze and compare the trendlines of each lesion type over the study period...
April 10, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28392162/oncolytic-virotherapy-a-contest-between-apples-and-oranges
#5
REVIEW
Stephen J Russell, Kah-Whye Peng
Viruses can be engineered or adapted for selective propagation in neoplastic tissues and further modified for therapeutic transgene expression to enhance their antitumor potency and druggability. Oncolytic viruses (OVs) can be administered locally or intravenously and spread to a variable degree at sites of tumor growth. OV-infected tumor cells die in situ, releasing viral and tumor antigens that are phagocytosed by macrophages, transported to regional lymph nodes, and presented to antigen-reactive T cells, which proliferate before dispersing to kill uninfected tumor cells at distant sites...
April 6, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28385366/prognostic-factors-in-head-and-neck-mucosal-malignant-melanoma
#6
Şenol Çomoğlu, Beldan Polat, Mehmet Çelik, Bayram Şahin, Necati Enver, Meryem Nesil Keleş, Şule Öztürk Sarı
OBJECTIVE: Primary mucosal malignant melanoma of the head and neck (HN-PMMM) is an aggressive and uncommon neoplasm. Herein, we present a series of 33 patients and the results of treatment, and aimed to determine prognostic factors in HN-PMMM. METHODS: Patients who were diagnosed as having HN-PMMM in our reference hospital, between 2005 and 2014 were evaluated. Thirty-three of these patients who had follow-up data were included. Surgical margin status was extracted from the original pathology reports...
April 3, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28384696/detection-of-occult-invasion-in-melanoma-in-situ-reply
#7
May P Chan, Douglas R Fullen, Timothy M Johnson
No abstract text is available yet for this article.
April 5, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28384663/detection-of-occult-invasion-in-melanoma-in-situ
#8
Nemanja Rodic, Earl J Glusac
No abstract text is available yet for this article.
April 5, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28369774/temporal-trends-in-healthcare-utilization-following-primary-melanoma-diagnosis-among-medicare-beneficiaries
#9
J P Lott, Q Wang, L J Titus, T Onega, H D Nelson, M A Weinstock, J G Elmore, A N A Tosteson
BACKGROUND: Despite increasing melanoma incidence in the United States, little is known about the impact of primary melanoma diagnosis on healthcare utilization and changes in utilization over time. OBJECTIVE: To evaluate population-based temporal trends in healthcare utilization following primary melanoma diagnosis. METHODS: We conducted a before-after multiple time series study of Medicare beneficiaries ages ≥66 years with primary melanoma diagnoses between 2000 and 2009 using the Surveillance, Epidemiology, and End Results-Medicare database...
March 30, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28362709/a-diagnostic-algorithm-combining-immunohistochemistry-and-molecular-cytogenetics-to-diagnose-challenging-melanocytic-tumors
#10
Sylvia Redon, Briac Guibourg, Matthieu Talagas, Pascale Marcorelles, Arnaud Uguen
Some melanocytic tumors are diagnostic challenges and require ancillary tools in helping the pathologists to determine their potential of malignancy. We intend to propose a diagnostic algorithm in helping to classify challenging melanocytic tumors combining histology, immunohistochemistry, and cytogenetics. We report on 24 spitzoid and/or misdiagnosed melanocytic tumors studied with a triple p16, Ki-67, and HMB45 immunohistochemistry score, fluorescent in situ hybridization (FISH) with melanoma-dedicated and non-melanoma-dedicated probes and comparative genomic hybridization on DNA microarray (CGH array)...
March 30, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28350068/concurrence-of-chromosome%C3%A2-3%C3%A2-and%C3%A2-4-aberrations-in-human-uveal-melanoma
#11
Eva Sipos, Kata Hegyi, Andrea Treszl, Zita Steiber, Gabor Mehes, Nikoletta Dobos, Klara Fodor, Gabor Olah, Lorant Szekvolgyi, Andrew V Schally, Gabor Halmos
Uveal melanoma (UM) is the most common primary intraocular malignancy with a very poor prognosis. The most frequent chromosome aberration in UM is the monosomy of chromosome 3. Previously, we demonstrated that ~50% of UMs express type-I receptor for luteinizing hormone‑releasing hormone (LH-RH-R). The gene encoding LH-RH-R is located in chromosome 4 (location: 4q21.2); however, the occurrence of numerical aberrations of chromosome 4 have never been studied in UM. In the present study, we investigated the abnormalities of chromosome 3 and 4, and the possible correlation between them, as well as with LH-RH-R expression...
April 2017: Oncology Reports
https://www.readbyqxmd.com/read/28346486/grem1-is-expressed-in-the-cancer-associated-myofibroblasts-of-basal-cell-carcinomas
#12
Hye Sung Kim, Myung Soo Shin, Min Seok Cheon, Jae Wang Kim, Cheol Lee, Woo Ho Kim, Young Sill Kim, Bo Gun Jang
Cancer-associated fibroblasts (CAFs) play important roles in cancer progression through their complex interactions with cancer cells. The secreted bone morphogenetic protein antagonist, gremlin1 (GREM1) is expressed by the CAFs of basal cell carcinomas (BCCs), and promotes the growth of cancer cells. In this study, we investigated the expression of GREM1 mRNAs in various benign and malignant skin tumors, including various BCC subtypes. Analysis by RNA in situ hybridization (ISH) revealed that fibroblasts in the scar tissue expressed GREM1 and α-smooth muscle actin (α-SMA), whereas resident fibroblasts in the dermis of the normal skin did not express GREM1...
2017: PloS One
https://www.readbyqxmd.com/read/28342269/acral-lentiginous-melanoma-versus-other-melanoma-a-single-center-analysis-in-japan
#13
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/28342266/increased-number-of-mast-cells-in-the-dermis-in-actinic-keratosis-lesions-effectively-treated-with-imiquimod
#14
Satomi Oyama, Yoko Funasaka, Shin-Ichi Tsuchiya, Seiji Kawana, Hidehisa Saeki
Actinic keratosis (AK) is a cutaneous cancer in situ which develops as a result of excessive exposure to ultraviolet (UV). Toll-like receptor (TLR)7 agonist imiquimod is a topical immune response modifier and is effective for the treatment of non-melanoma skin cancers. Recently, the diagnostic role of the dermatoscope has been reported in the course of treatment of AK. In addition, mast cells are now considered to contribute to both the innate and adaptive immune systems in topical imiquimod therapy. We assessed the effect of imiquimod treatment by dermatoscopic and immunohistochemical findings in 14 patients with a total of 21 AK lesions...
March 24, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28334523/transformable-nanomaterials-as-an-artificial-extracellular-matrix-for-inhibiting-tumor-invasion-and-metastasis
#15
Xiao-Xue Hu, Ping-Ping He, Guo-Bin Qi, Yu-Juan Gao, Yao-Xin Lin, Chao Yang, Pei-Pei Yang, Hongxun Hao, Lei Wang, Hao Wang
Tumor metastasis is one of the big challenges in cancer treatment and is often associated with high patient mortality. Until now, there is an agreement that tumor invasion and metastasis are related to degradation of extracellular matrix (ECM) by enzymes. Inspired by the formation of natural ECM and the in situ self-assembly strategy developed in our group, herein, we in situ constructed an artificial extracellular matrix (AECM) based on transformable Laminin (LN)-mimic peptide 1 (BP-KLVFFK-GGDGR-YIGSR) for inhibition of tumor invasion and metastasis...
March 28, 2017: ACS Nano
https://www.readbyqxmd.com/read/28331853/melanomas-and-dysplastic-nevi-differ-in-epidermal-cd1c-dendritic-cell-count
#16
Grzegorz Dyduch, Katarzyna Ewa Tyrak, Anna Glajcar, Joanna Szpor, Magdalena Ulatowska-Białas, Krzysztof Okoń
Background. Dendritic cells could be involved in immune surveillance of highly immunogenic tumors such as melanoma. Their role in the progression melanocytic nevi to melanoma is however a matter of controversy. Methods. The number of dendritic cells within epidermis, in peritumoral zone, and within the lesion was counted on slides immunohistochemically stained for CD1a, CD1c, DC-LAMP, and DC-SIGN in 21 of dysplastic nevi, 27 in situ melanomas, and 21 invasive melanomas. Results. We found a significant difference in the density of intraepidermal CD1c+ cells between the examined lesions; the mean CD1c cell count was 7...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28329499/mohs-micrographic-surgery-and-secondary-intention-healing-of-a-plantar-melanoma-in-situ
#17
Jason Schoenfeld, Paul Wirth, Thomas Helm
This report details an acral melanoma in-situ on theright plantar foot that was successfully treated withMohs micrographic surgery and secondary intentionwound healing.
February 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328708/long-term-outcomes-of-melanoma-in-situ-treated-with-topical-5-imiquimod-cream-a-retrospective-review
#18
Andrew J Park, Joan Paul, M Shane Chapman, Faramarz H Samie
BACKGROUND: Melanoma in situ (MIS) is a noninvasive form of melanoma for which nonsurgical therapeutic options continue to be explored. The off-label use of topical 5% imiquimod cream in the management of MIS has shown potential but reported recurrence rates vary considerably between 0% and 40%. Furthermore, the long-term efficacy of imiquimod is not well established. OBJECTIVE: To determine the recurrence rate of MIS among patients treated with topical 5% imiquimod cream at Dartmouth-Hitchcock Medical Center with at least 1 year of follow-up...
March 21, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28314913/laser-and-light-based-therapy-for-cutaneous-and-soft-tissue-metastases-of-malignant-melanoma-a-systematic-review
#19
REVIEW
Evan Austin, Andrew Mamalis, Derek Ho, Jared Jagdeo
Invasive cutaneous melanoma is a growing health concern. Although surgical excision can effectively treat in situ tumors, use for metastatic melanoma is limited. Laser and light-based therapies may be a valuable palliative treatment option for patients with stage III and stage IV cutaneous metastatic melanoma. Our goal is to review the published literature and provide evidence-based recommendations on laser and light-based palliative therapies for metastatic melanoma. A search of the databases Pubmed, EMBASE, Web of Science, and CINAHL was performed on March 10, 2016...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28301623/subungual-melanoma-in-situ-treated-with-imiquimod-5-cream-after-conservative-surgery-recurrence
#20
Jorge Ocampo-Garza, Nilton Gioia Di Chiacchio, Eckart Haneke, Francisco le Voci, Francisco Macedo Paschoal
<p>Subungual melanoma is a rare variant of acral lentiginous melanoma that often has a poor prognosis compared with other types of melanoma. The aim of the present study is to report a case of a patient with recurrence of subungual melanoma treated with imiquimod 5%, which presented a total regression of the lesion and no recurrence for 4 years.</p> <p><em>J Drugs Dermatol. 2017;16(3):268-270.</em></p>.
March 1, 2017: Journal of Drugs in Dermatology: JDD
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