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Cutaneous melanoma

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https://www.readbyqxmd.com/read/29907233/indocyanine-green-fluorescence-imaging-with-lymphoscintigraphy-for-sentinel-node-biopsy-in-head-and-neck-melanoma
#1
Rebecca W Knackstedt, Rafael A Couto, Brian Gastman
BACKGROUND: Head and neck melanoma is associated with a high false negative (FN) sentinel lymph node biopsy (SLNB) rate. If techniques are developed that can decrease FN SLNBs, better prognostic information will be obtained, and it may be possible to improve overall survival as patients are assigned to the appropriate adjuvant management. Our group previously demonstrated that the combination of lymphoscintigraphy and indocyanine green (ICG) fluorescence-based technology was feasible for SLNB in primary melanoma...
August 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29905548/cutaneous-polypoid-melanoma-of-head-and-neck
#2
U Wollina, G Hansel, J Schönlebe
Cutaneous polypoid melanoma is an uncommon subtype of malignant melanoma. The clinical behavior of this subtype has been described as aggressive. Tumors can be sessile or pedunculated. The typical patient is a younger adult. Authors have analyzed the case histories of patients with polypoid melanomas of the head and neck region treated at our clinic from 2001 to 2018. We identified 3 female patients with tumors of the neck and cheek. In contrast to other reports, all patients were older than 80-years of age...
May 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29904488/a-rare-case-of-primary-spinal-cord-melanoma
#3
Marc Wuerdeman, Samuel Douglass, Rafik Ben Abda, Michael Krasnokutsky
Primary central nervous system melanoma is rare, accounting for approximately 1% of total melanoma cases (1-3). Primary central nervous system melanoma localized to the spinal cord is even rarer. The cervical and thoracic levels are most frequently involved. There are no pathognomonic imaging characteristics and diagnosis must be confirmed immunohistologically. The preferred treatment is gross total resection. Utilization of adjuvant radiotherapy and chemotherapy may improve disease-free survival. The prognosis for primary central nervous system melanoma is generally better than that of metastatic and cutaneous melanoma, although there are relatively few cases from which to draw conclusions...
April 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29904313/basal-cell-carcinoma-and-malignant-melanoma-cutaneous-collision-tumor
#4
Reid Green, Meghan Woody, Anthony C Soldano, Erin Madden
Malignant tumors composed of both epithelial and melanocytic populations are exceedingly rare. Because the etiology of these malignant tumors is not yet defined, several authors have argued for the continued cataloging of these lesions. We present a 67-year-old man with a suspicious-appearing lesion on the right forearm; initial biopsy was consistent with a pigmented basal cell carcinoma. On re-excision, a collision of malignant melanoma and basal cell was identified.
July 2018: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/29900843/-cutaneous-melanoma-from-rationalized-models-to-patients-care
#5
Franck Gesbert, Lionel Larue
Cutaneous melanoma derives from the tumoral transformation of melanocytes. These pigmented cells produce melanin prior transmitting it to the surrounding keratinocytes of the skin, hair and mane. The main function of melanin is to protect cells and their DNA from damage caused by ultraviolet light. Melanoma is the most aggressive skin cancer whose incidence has increased steadily in recent decades. Advances in basic research have resulted in a better understanding of the molecular and cellular events responsible for the initiation and progression of melanomas...
May 2018: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/29900048/vaccination-induced-skin-resident-memory-cd8-t-cells-mediate-strong-protection-against-cutaneous-melanoma
#6
Felipe Gálvez-Cancino, Ernesto López, Evelyn Menares, Ximena Díaz, Camila Flores, Pablo Cáceres, Sofía Hidalgo, Ornella Chovar, Marcela Alcántara-Hernández, Vincenzo Borgna, Manuel Varas-Godoy, Flavio Salazar-Onfray, Juliana Idoyaga, Alvaro Lladser
Memory CD8+ T cell responses have the potential to mediate long-lasting protection against cancers. Resident memory CD8+ T (Trm) cells stably reside in non-lymphoid tissues and mediate superior innate and adaptive immunity against pathogens. Emerging evidence indicates that Trm cells develop in human solid cancers and play a key role in controlling tumor growth. However, the specific contribution of Trm cells to anti-tumor immunity is incompletely understood. Moreover, clinically applicable vaccination strategies that efficiently establish Trm cell responses remain largely unexplored and are expected to strongly protect against tumors...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29894528/pigmented-squamous-cell-carcinoma-presenting-as-longitudinal-melanonychia-in-a-transplant-recipient
#7
Christina A Serret, Stephanie Wang, Amanda Marsch, Claudia Hernandez
We report the case of a 62-year-old black man who was on a maintenance immunosuppressive regimen that included mycophenolate mofetil and cyclosporine following renal transplantation 9 years prior. He presented to the dermatology department for evaluation of a pigmented longitudinal streak on the left third finger adjacent to the lateral nail fold that had been present for several months. He noted that the streak was increasing in size, and his fingertip had recently become tender. The pigmented band was biopsied, and histopathology showed atypia of the epidermis consistent with pigmented squamous cell carcinoma (pSCC)...
May 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29894408/long-term-topical-corticosteroid-use-and-risk-of-skin-cancer-a-systematic-review
#8
Sonia Ratib, Esther Burden-Teh, Jo Leonardi-Bee, Catherine Harwood, Fiona Bath-Hextall
OBJECTIVE: The objective of this systematic review was to synthesize available research evidence to determine the risk of skin cancer in patients with long-term use of topical corticosteroids (TCS). INTRODUCTION: Topical corticosteroids are one of the most commonly prescribed medicines in dermatology and the mainstay of the treatment of atopic dermatitis and other skin conditions such as psoriasis. They are often required for months or years to control the disease and ultimately restore patients' quality of life...
June 2018: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/29892669/cutaneous-cd56-t-cell-lymphoma-developing-during-pembrolizumab-treatment-for-metastatic-melanoma
#9
Yixuan James Zheng, Albert Lee, Laura Pincus, Wilson Ho, Marin Vujic, Susana Ortiz-Urda
No abstract text is available yet for this article.
July 2018: JAAD Case Reports
https://www.readbyqxmd.com/read/29891723/integrated-genomic-classification-of-melanocytic-tumors-of-the-central-nervous-system-using-mutation-analysis-copy-number-alterations-and-dna-methylation-profiling
#10
Klaus Griewank, Christian Koelsche, Johannes A P van de Nes, Daniel Schrimpf, Marco Gessi, Inga Möller, Antje Sucker, Richard A Scolyer, Michael E Buckland, Rajmohan Murali, Torsten Pietsch, Andreas von Deimling, Dirk Schadendorf
PURPOSE: In the central nervous system, distinguishing primary leptomeningeal melanocytic tumors from melanoma metastases and predicting their biological behavior solely using histopathologic criteria can be challenging. We aimed to assess the diagnostic and prognostic value of integrated molecular analysis. EXPERIMENTAL DESIGN: Targeted next-generation-sequencing, array-based genome-wide methylation analysis and BAP1 immunohistochemistry was performed on the largest cohort of central nervous system melanocytic tumors analyzed to date, incl...
June 11, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29889028/usefulness-of-18-f-fdg-pet-ct-in-cutaneous-melanoma-patients-with-negative-sentinel-lymph-nodes-and-high-clark-levels
#11
Özge Vural Topuz, Fatma Arzu Görtan, Zübeyde Rana Kaya Döner, Çetin Önsel, Haluk Burçak Sayman
OBJECTIVE: We investigated the utility of PET/CT in cutaneous melanoma (CM) patients with pathological negative sentinel lymph nodes (SLN), within the first year. METHODS: The results of PET/CTs and SLN biopsy (SLNB) in 65 patients (39 male and 26 female, mean age 53.8) with a PET/CT in the first postoperative year were evaluated. Within this cohort, the utility of early PET/CT imaging was assessed in patients with negative SLNB. McNemar test was used to compare PET/CT findings with SLNB results...
June 7, 2018: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/29880623/melanoma-with-rhabdomyosarcomatous-differentiation
#12
Aditya Kuwadekar, Justin Allard, Michael Dardik, Franz Smith
Melanoma with rhabdomyosarcomatous differentiation is an extremely rare observation with a review of the literature revealing fewer than 15 previously identified cases. The authors describe a case of a 72-year-old man with a cutaneous lesion of the left scalp that was diagnosed as malignant melanoma on biopsy and wide excision. One month later, a punch biopsy of the excisional area revealed rhabdomyosarcomatous proliferation. Re-examination of the wide-excision specimen with muscle markers revealed areas of neoplastic melanoma cells consistent with rhabdomyosarcomatous differentiation...
June 6, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29876188/a-systematic-review-of-surgical-management-of-melanoma-of-the-external-ear
#13
Justin D Sawyer, Morgan L Wilson, Michael W Neumeister
Background: Historically, external ear melanomas have been treated aggressively, due to early perceptions suggesting they had poor prognosis and aggressive biological behavior. More recent evidence has not supported these notions. Methods: We completed a complete review of the literature involving malignant melanoma of the external ear. We then completed a quantitative analysis on seventy-three cases from 8 reports that contained case-level data, assessing factors that influence recurrence, and assessing characteristics of the melanomas based on histological subtype...
April 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29873027/patterns-of-increased-incidence-and-survival-of-cutaneous-melanoma-in-girona-spain-1994-2013-a-population-based-study
#14
J Rubió-Casadevall, M Puig-Vives, M Puigdemont, L Vilardell, A Carbó-Bagué, R Marcos-Gragera, N Vilar-Coromina
INTRODUCTION: We conducted a population-based study on the Girona Cancer Registry (Spain) for the period 1994-2013 to determine patterns of change in the incidence of melanoma, which is increasing in many countries, and patient survival in our geographical area. MATERIALS AND METHODS: Using the standard registration rules for cancer registries, we calculated crude and standardized incidence rates as well as their trends. We also analysed the observed survival, 1-year conditioned survival and relative survival at 3, 5 and 10 years...
June 5, 2018: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29866664/unusual-presentation-of-primary-cutaneous-melanoma-of-the-forearm-with-epitrochlear-and-axillary-lymphadenopathy
#15
Siok Yen Pow, Melissa Teo
In patients with primary cutaneous melanomas of the distal upper limb, metastatic involvement of the epitrochlear lymph nodes is uncommon. It belongs to a particular category of nodal metastasis termed as interval or in-transit lymphadenopathies often encountered by tumour cells as they spread from the primary sites. We describe the case of a 41-year-old woman who presented with a right forearm melanoma that was metastatic to both the epitrochlear and axillary lymph nodes. She underwent wide excision of the primary lesion as well as epitrochlear and axillary nodal clearances in the same sitting...
June 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29866134/itraconazole-treatment-of-primary-malignant-melanoma-of-the-vagina-evaluated-using-positron-emission-tomography-and-tissue-cdna-microarray-a-case-report
#16
Kayo Inoue, Hiroshi Tsubamoto, Roze Isono-Nakata, Kazuko Sakata, Nami Nakagomi
BACKGROUND: Primary malignant melanoma of the vagina is extremely rare, with a poorer prognosis than cutaneous malignant melanoma. Previous studies have explored the repurposing of itraconazole, a common oral anti-fungal agent, for the treatment of various cancers. Here, we describe a patient with metastatic, unresectable vaginal malignant melanoma treated with 200 mg oral itraconazole twice a day in a clinical window-of-opportunity trial. CASE PRESENTATION: A 64-year-old Japanese woman with vaginal and inguinal tumours was referred to our institution...
June 4, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29864111/prognostic-value-of-dynactin-mrna-expression-in-cutaneous-melanoma
#17
Qiaoqi Wang, Xiangkun Wang, Qian Liang, Shijun Wang, Xiwen Liao, Dong Li, Fuqiang Pan
BACKGROUND Dynactin (DCTN) is a multi-subunit protein encoded by DCTN genes for 6 subunits. In different diseases the DCTN genes may have different roles; therefore, we investigated the prognostic potential of DCTN mRNA expression in cutaneous melanoma (CM). MATERIAL AND METHODS Data for DCTN mRNA expression in CM patients were obtained from the OncoLnc database, which contains updated gene expression data for 459 CM patients based on the Cancer Genome Atlas. Kaplan-Meier analysis and a Cox regression model were used to determine overall survival (OS) with calculation of hazard ratios (HRs) and 95% confidence intervals (CIs)...
June 4, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29863656/a-3d-organotypic-melanoma-spheroid-skin-model
#18
Ines Müller, Dagmar Kulms
Malignant transformation of melanocytes, the pigment cells of human skin, causes formation of melanoma, a highly aggressive cancer with increased metastatic potential. Recently, mono-chemotherapies continue to improve by melanoma specific combination therapies with targeted kinase inhibitors. Still, metastatic melanoma remains a life-threatening disease because tumors exhibit primary resistance or develop resistance to novel therapies, thereby regaining tumorigenic capacity. In order to improve the therapeutic success of malignant melanoma, the determination of molecular mechanisms conferring resistance against conventional treatment approaches is necessary; however, it requires innovative cellular in vitro models...
May 18, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29863571/case-report-of-myeloid-sarcoma-masquerading-as-in-transit-metastasis-at-a-previous-melanoma-site-avoiding-a-diagnostic-pitfall
#19
Jonathan L Curry, Michael T Tetzlaff, Sa A Wang, Gene Landon, Nail Alouch, Sapna P Patel, Priyadharsini Nagarajan, Shiva Gupta, Phyu P Aung, Catherine E Devine, Joseph D Khoury, Sanam Loghavi, Victor G Prieto, Courtney D DiNardo, Jeffrey E Gershenwald
Myeloid sarcoma is a rare extramedullary hematologic malignancy. Accurate and timely diagnosis may be challenging because myeloid sarcoma is known to mimic solid tumors, including hepatobiliary, nasopharyngeal, and breast carcinomas. We report a case of myeloid sarcoma that developed in the primary tumor lymphatic drainage field of a previously treated intermediate-thickness cutaneous melanoma, clinically and radiographically mimicking an in-transit metastasis, in a patient with myelodysplastic syndrome. The diagnosis of myeloid sarcoma was achieved after surgical excision of the mass and pathological examination that included extensive immunohistochemical studies...
June 1, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29862018/case-report-incognito-proteus-syndrome
#20
Michelangelo Vestita, Angela Filoni, Nicola Arpaia, Grazia Ettorre, Domenico Bonamonte
Proteus syndrome (PS) is a postnatal mosaic overgrowth disorder, progressive and disfiguring. It is clinically diagnosed according to the criteria reported by Biesecker et al . We describe the case of a 49-year-old woman who presented with a 10-year history of pauci-symptomatic infiltrating plaque lesions on the sole and lateral margin of the left foot, which had been diagnosed as a keloid. The patient had a positive history for advanced melanoma and a series of subtle clinical signs, such as asymmetric face, scoliosis, multiple lipomas on the trunk, linear verrucous epidermal nevi, and hyperpigmented macules with a mosaic distribution...
2018: F1000Research
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