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Macro vs Micro Skin Imaging: Finding an Affordable Approach for Dermatological Care Access in Rural/Remote Areas.
Stud Health Technol Inform
November 2024
University Politehnica Timişoara, Romania.
The present study explored alternative methods for photographing skin lesions in the absence of specialized instruments like dermatoscopes, aiming to enhance remote diagnostic capabilities, particularly in light of the increasing incidence of melanoma cases annually. Using two lenses attached to a smartphone camera, one macroscopic and the other microscopic, study images of nevus formations from one individual were captured, and, in the absence of a collaboration with a dermatologist, subsequently labeled as melanoma or non-melanoma using a Convolutional Neural Network (CNN) which was trained, with dermoscopic images of melanoma and non-melanoma formations, to see on which image set better performances would be attained. The CNN demonstrated better performance on microscopic images, with 75% of the dataset being labeled correctly, compared to the macroscopic one, with 63% of the dataset being labeled correctly.
View Article and Find Full Text PDF[Non-invasive automated methods for the diagnosis of periorbital skin tumors].
Vestn Oftalmol
November 2024
Krasnov Research Institute of Eye Diseases, Moscow, Russia.
Article Synopsis
Clinical and dermoscopic patterns of acquired melanocytic nevi in children and adolescents: a cross-sectional study from Turkey.
An Bras Dermatol
October 2024
Department of Dermatology and Venereology, Çanakkale Onsekiz Mart University Faculty of Medicine, Çanakkale, Turkey; Department of Dermatology and Venereology, Medipol Mega University Hospital, İstanbul, Turkey.
Background: Childhood and adolescence are the most active periods for nevi development, which provide insights into nevogenesis.
Objectives: To evaluate the clinical and dermoscopic characteristics of acquired melanocytic nevi in Turkish children (aged ≤ 10-years) and adolescents (aged > 10-years) regarding demographic, constitutional, and environmental factors.
Methods: A cross-sectional study on participants aged < 18-years examined for acquired melanocytic nevi between January and June 2023.
Dermatoscopic Radial Rippling of Pigment: A Potential Indicator of Pigmented Bowen's Disease.
Skinmed
October 2024
Empire Dermatology (Private Practice), Syracuse, NY.
Article Synopsis
- - Pigmented Bowen's disease (pBD) is a rare form of Bowen's disease, making up only 1.67%-5.5% of lesions, and it can be mistaken for various skin conditions like actinic keratosis and melanoma.
- - This skin condition usually appears as a flat or slightly raised, scaly, and well-defined plaque, mainly affecting individuals in their sixties and is generally asymptomatic.
- - Key risk factors for developing pBD include HPV infection, exposure to arsenic and sunlight, ionizing radiation, and skin trauma.
Three-Dimensional Total Body Photography, Digital Dermoscopy, and in vivo Reflectance Confocal Microscopy for Follow-Up Assessments of High-Risk Patients for Melanoma: A Prospective, Controlled Study.
Dermatology
December 2024
Department of Dermatology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
Article Synopsis
- This study examines how combining total body photography (TBP), digital dermoscopy (DD), and reflectance confocal microscopy (RCM) improves early detection of melanoma in high-risk patients compared to using only dermoscopy.
- In the intervention group (IG), patients received regular 3D-TBP, DD, and RCM monitoring, resulting in more diagnoses of second primary melanomas and excised nevi than the control group (CG), which only used dermoscopy.
- The results suggest that this combination of monitoring techniques not only detected more melanomas but also reduced the number needed to treat (NNT), demonstrating the effectiveness of advanced technologies in melanoma detection.
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