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https://www.readbyqxmd.com/read/28421728/oral-pigmentations-in-physiologic-conditions-post-inflammatory-affections-and-systemic-diseases
#1
Martina Lambertini, Annalisa Patrizi, Giulia M Ravaioli, Emi Dika
Melanocytes are found throughout the oral mucosa but usually go unnoticed because of their relatively low level of pigment production. When focally or generally active in pigment production or proliferation they may be responsible for several affections in the oral mucosae ranging from physiologic pigmentation, systemic diseases to malignant neoplasms. The diagnosis of oral pigmentations (OP) is usually challenging for the physician, but a careful examination of the oral cavity may reveal the first manifestation of underlying systemic diseases...
April 19, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28421597/analysis-of-an-electrical-impedance-spectroscopy-system-in-short-term-digital-dermoscopy-imaging-of-melanocytic-lesions
#2
L Rocha, S W Menzies, S Lo, M Avramidis, R Khoury, L Jackett, P Guitera
BACKGROUND: Electrical impedance spectroscopy (EIS) is a non-invasive diagnostic technique that measures tissue impedance. OBJECTIVES: This prospective study, conducted at 2 centres in Australia, aimed to evaluate the effect of adding an EIS measurement at baseline to suspicious melanocytic lesions undergoing routine short-term sequential digital dermoscopy imaging (SDDI) METHODS: Patients presented with suspicious melanocytic lesions that were eligible for short-term SDDI (with no clear feature of melanoma on dermoscopy)...
April 19, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28399177/dermoscopic-characteristics-of-melanoma-according-to-the-criteria-ulceration-and-mitotic-rate-of-the-ajcc-2009-staging-system-for-melanoma
#3
Teresa Deinlein, Edith Arzberger, Iris Zalaudek, Cesare Massone, Juan Garcias-Ladaria, André Oliveira, Günter Schulter, Rainer Hofmann-Wellenhof
OBJECTIVE: The present study was conducted to identify possible dermoscopic patterns, associated with mitotic rate > 1/mm2, histological ulceration in melanoma and metastatic disease. METHODS: For this retrospective data analysis all clinical and dermoscopic digital images of primary malignant melanomas between 2008 and 2013 documented at the Department of Dermatology Graz were included, using the internal image data-base. 550 patients with 559 melanomas were included...
2017: PloS One
https://www.readbyqxmd.com/read/28355453/dermoscopic-clues-for-diagnosing-melanomas-that-resemble-seborrheic-keratosis
#4
Cristina Carrera, Sonia Segura, Paula Aguilera, Massimiliano Scalvenzi, Caterina Longo, Alicia Barreiro, Paolo Broganelli, Stefano Cavicchini, Alex Llambrich, Pedro Zaballos, Luc Thomas, Josep Malvehy, Susana Puig, Iris Zalaudek
Importance: Melanomas that clinically mimic seborrheic keratosis (SK) can delay diagnosis and adequate treatment. However, little is known about the value of dermoscopy in recognizing these difficult-to-diagnose melanomas. Objective: To describe the dermoscopic features of SK-like melanomas to understand their clinical morphology. Design, Setting, and Participants: This observational retrospective study used 134 clinical and dermoscopic images of histopathologically proven melanomas in 134 patients treated in 9 skin cancer centers in Spain, France, Italy, and Austria...
March 29, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28317165/dermoscopic-findings-of-an-unusual-acral-nevus-on-the-hand-of-a-child
#5
Tracey N Liebman, Marla N Diakow, Sharon A Glick
Distinguishing benign acral nevi from small early acral melanomas may be challenging in certain cases. Dermoscopy is a noninvasive imaging technique that can help clinicians better visualize deeper lesion structures and thus more easily differentiate benign nevi from melanoma. We report the case of a 13-year-old girl with a changing dark brown to black macule with a central papular component on the volar surface of the right third finger. Dermoscopy revealed asymmetrically distributed irregular black blotches on a bluish-black background...
March 20, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28300909/multiple-cutaneous-melanomas-associated-with-gastric-and-brain-metastases
#6
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/28289898/comparison-of-dermoscopy-and-reflectance-confocal-microscopy-for-the-diagnosis-of-malignant-skin-tumours-a-meta-analysis
#7
REVIEW
Yi-Quan Xiong, Shu-Juan Ma, Yun Mo, Shu-Ting Huo, Yu-Qi Wen, Qing Chen
PURPOSE: Dermoscopy and reflectance confocal microscopy (RCM) are non-invasive methods for diagnosis of malignant skin tumours. The aim of this study was to compare the accuracy of dermoscopy and RCM for the diagnosis of malignant skin tumours. METHODS: Systematic electronic literature searches were conducted to include PubMed, Medline, Embase, the Cochrane Library database, and Web of Science, up to 26 April 2016. Pooled additional detection rate (ADR), diagnostic accuracy, and 95% confidence intervals (CIs) were calculated using STATA and Meta-Disc analysis...
March 13, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28273283/rates-of-dermoscopy-use-for-melanoma-diagnosis-in-the-miami-va-medical-center
#8
Lucy L Chen, Erin X Wei, Fangchao Ma, Jonette Keri, Shasa Hu
No abstract text is available yet for this article.
March 8, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28268580/a-deep-bag-of-features-model-for-the-classification-of-melanomas-in-dermoscopy-images
#9
S Sabbaghi, M Aldeen, R Garnavi
Deep learning and unsupervised feature learning have received great attention in past years for their ability to transform input data into high level representations using machine learning techniques. Such interest has been growing steadily in the field of medical image diagnosis, particularly in melanoma classification. In this paper, a novel application of deep learning (stacked sparse auto-encoders) is presented for skin lesion classification task. The stacked sparse auto-encoder discovers latent information features in input images (pixel intensities)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28264830/diagnosing-malignant-melanoma-in-ambulatory-care-a-systematic-review-of-clinical-prediction-rules
#10
Emma Harrington, Barbara Clyne, Nieneke Wesseling, Harkiran Sandhu, Laura Armstrong, Holly Bennett, Tom Fahey
OBJECTIVES: Malignant melanoma has high morbidity and mortality rates. Early diagnosis improves prognosis. Clinical prediction rules (CPRs) can be used to stratify patients with symptoms of suspected malignant melanoma to improve early diagnosis. We conducted a systematic review of CPRs for melanoma diagnosis in ambulatory care. DESIGN: Systematic review. DATA SOURCES: A comprehensive search of PubMed, EMBASE, PROSPERO, CINAHL, the Cochrane Library and SCOPUS was conducted in May 2015, using combinations of keywords and medical subject headings (MeSH) terms...
March 6, 2017: BMJ Open
https://www.readbyqxmd.com/read/28243493/proposal-for-management-and-dermoscopy-follow-up-of-nevi-in-patients-affected-by-oculocutaneous-albinism-type-ia
#11
Rosario Peralta, Emilia Cohen Sabban, Paula Friedman, Carolina Marcucci, Luis A Bollea Garlatti, Gastón Galimberti, Horacio Cabo
Albino patients are at great risk for developing cutaneous neoplasms, including melanomas. In this paper we describe the dermatoscopic findings of nevi in two patients with oculocutaneous albinism type Ia (OCA-Ia) highlighting that they manifest a vascular pattern similar to that described for amelanotic melanoma. We propose managing these patients with dermoscopy, using the comparative approach, digital follow up (DFU), and reflectance confocal microscopy as a complementary tool for difficult cases.
January 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28226758/a-deep-bag-of-features-model-for-the-classification-of-melanomas-in-dermoscopy-images
#12
S Sabbaghi, M Aldeen, R Garnavi, S Sabbaghi, M Aldeen, R Garnavi, M Aldeen, S Sabbaghi, R Garnavi
Deep learning and unsupervised feature learning have received great attention in past years for their ability to transform input data into high level representations using machine learning techniques. Such interest has been growing steadily in the field of medical image diagnosis, particularly in melanoma classification. In this paper, a novel application of deep learning (stacked sparse auto-encoders) is presented for skin lesion classification task. The stacked sparse auto-encoder discovers latent information features in input images (pixel intensities)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28218469/diagnostic-accuracy-of-reflectance-confocal-microscopy-using-vivascope-for-detecting-and-monitoring-skin-lesions-a-systematic-review
#13
S J Edwards, G Osei-Assibey, R Patalay, V Wakefield, C Karner
BACKGROUND: Skin cancer is one of the most common cancers in the UK. Patients with suspicious skin lesions are assessed clinically with/without dermoscopy, and lesions still considered suspicious are then surgically removed or have the diagnosis confirmed by a punch biopsy. AIM: To evaluate the diagnostic accuracy of the in vivo VivaScope(©) reflective confocal microscopy (RCM) system, a noninvasive technology designed to provide a more accurate presurgical diagnosis, leading to fewer biopsies of benign lesions, or to provide greater accuracy for lesion margins...
February 20, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28218344/familial-melanoma-associated-with-li-fraumeni-syndrome-and-atypical-mole-syndrome-total-body-digital-photography-dermoscopy-and-confocal-microscopy
#14
Priscila Giavedoni, Marnie Ririe, Cristina Carrera, Susana Puig, Josep Malvehy
Li-Fraumeni syndrome (LFS) is a rare autosomal dominant disorder caused by a mutation in the p53 gene. Melanoma is considered to be a rare, controversial component of LFS. The aim of this study is to describe the utility of systematic screening for melanoma in patients with LFS and atypical mole syndrome. Two 28-year-old identical twin sisters with LFS and atypical moles were monitored by physical examination, total-body digital photography and dermoscopy be-tween 2006 and 2014. A total of 117, predominantly dark-brown, reticular naevi were identified on case 1 and 105 on case 2...
February 20, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28196618/dermoscopic-features-predicting-the-presence-of-mitoses-in-thin-melanoma
#15
S Ribero, G Argenziano, A Lallas, E Moscarella, E Benati, M Raucci, S Piana, C Longo
BACKGROUND: The latest AJCC classification has included the number of mitoses as a factor for upstaging thin melanomas. Meanwhile, while dermoscopy has often been used to predict melanoma thickness, its value in predicting number of mitoses remains unknown. OBJECTIVE: Our aim is to evaluate the correlation between dermoscopic features and the presence of mitoses in a consecutive cohort of thin melanomas. METHODS: A case control study has been performed to identify specific dermoscopic parameters that could differentiate thin melanomas with 1 or more mitoses per mm2 from those without mitoses...
February 3, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28191661/combined-in-vivo-reflectance-confocal-microscopy-and-digital-dermoscopy-for-follow-up-of-patients-at-high-risk-of-malignant-melanoma-a-prospective-case-series-study
#16
Uxúa Floristán Muruzábal, Reyes Gamo Villegas, Ana Pampín Franco, Fernando Pinedo Moraleda, Elia Pérez Fernández, José Luis López-Estebaranz
Digital dermoscopy (DD) follow up is a useful strategy for monitoring patients at high risk of melanoma. Reflectance confocal microscopy (RCM) is a valuable second-level examination after dermoscopy for the evaluation of difficult to diagnose lesions. The aim of this study was to assess the value of RCM in routine DD monitoring of patients at high risk of melanoma. In this prospective study, performed over 22 months, changing melanocytic lesions were detected by DD and excised. RCM imaging was performed before surgical excision of all the lesions, and histopathology used as the gold standard diagnostic test...
February 13, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28132411/a-case-report-of-disappearing-pigmented-skin-lesions-associated-with-pembrolizumab-treatment-for-metastatic-melanoma
#17
Z J Wolner, A A Marghoob, M P Pulitzer, M A Postow, M A Marchetti
Pembrolizumab is an immune checkpoint inhibitor that targets the programmed cell death (PD)-1 receptor. Common cutaneous adverse side effects of PD-1 inhibitors include maculopapular rash, pruritus, vitiligo, and lichenoid skin and mucosal reactions. Here, we describe a man in his sixties with metastatic melanoma treated with pembrolizumab who subsequently developed fading or disappearance of pigmented skin lesions, lightening of the skin, and poliosis of the eyebrows, eyelashes, and scalp and body hair. Compared to baseline high-resolution three-dimensional total body photography, we observed fading or disappearing of solar lentigines, seborrheic keratoses, and melanocytic naevi, suggesting that PD-1 inhibitors may affect the evolution of these benign skin lesions...
January 28, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28121084/melanoma-clinical-and-dermoscopic-diagnosis
#18
Gabriella Brancaccio, Teresa Russo, Aimilios Lallas, Elvira Moscarella, Marina Agozzino, Giuseppe Argenziano
Missing the diagnosis of a melanoma is the worst dermatologist nightmare, especially when melanomas have a non-alarming clinical appearance and imitate a completely benign lesion. The use of dermoscopy has provided an effective tool to facilitate the differential diagnosis and to increasingly allow an early diagnosis of melanoma. The aim of this article is to summarize the most recent and important clinical and dermoscopic pearls to recognize melanoma at the earliest stages of its development.
January 24, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28118479/update-on-dermoscopy-of-spitz-reed-naevi-and-management-guidelines-by-the-international-dermoscopy-society
#19
REVIEW
A Lallas, Z Apalla, D Ioannides, E Lazaridou, A Kyrgidi, P Broganelli, R Alfano, I Zalaudek, G Argenziano
Spitzoid lesions represent a challenging and controversial group of tumours, in terms of clinical recognition, biologic behavior and management strategies. Although Spitz naevi are considered benign tumours, their clinical and dermoscopic morphologic overlap with spitzoid melanoma renders the management of spitzoid lesions particularly difficult. The controversy deepens because of the existence of tumours that cannot be safely histopathologically diagnosed as naevi or melanomas (atypical Spitz tumours). The dual objective of the present study was to provide an updated classification on dermoscopy of Spitz naevi, and management recommendations of spitzoid looking lesions based on a consensus among experts in the field...
January 24, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28109068/the-impact-of-dermoscopy-on-melanoma-detection-in-the-practice-of-dermatologists-in-europe-results-of-a-pan-european-survey
#20
A M Forsea, P Tschandl, I Zalaudek, V Del Marmol, H P Soyer, G Argenziano, A C Geller
BACKGROUND: Dermoscopy is a widely used technique that can increase the sensitivity and specificity of melanoma detection. Information is lacking on the impact of dermoscopy use on the detection of melanoma in the real-life practice of European dermatologists. OBJECTIVE: To identify factors that influence the benefit of using dermoscopy for increasing melanoma detection and lowering the number of unnecessary biopsies in the practice of European dermatologists. METHODS: We conducted a survey of dermatologists registered in 32 European countries regarding the following: the demographic and practice characteristics, dermoscopy training and use, opinions on dermoscopy and the self-estimated impact of dermoscopy use on the number of melanomas detected and the number of unnecessary biopsies performed in practice...
January 21, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
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