7,474 results match your criteria Dermoscopy


Lichen Planopilaris Arising between Two Linear Surgical Scars.

Int J Trichology 2022 May-Jun;14(3):112-114. Epub 2022 May 24.

Department of Dermatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.

Lichen planopilaris (LPP) is a type of lymphocytic cicatricial alopecia, which can occur at unusual sites. It can be difficult to diagnose at an early stage and may be misdiagnosed as seborrheic dermatitis or psoriasis in early stages before alopecia occurs. We report a rare case in which alopecia occurred between two long surgical scars on the scalp several years after surgery. Read More

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The Relationship Between the Effectiveness of HMME-PDT and the Dermoscopic Features of Port-wine Stains in Chinese Pediatric Patients: A Retrospective Study.

Dermatol Ther (Heidelb) 2022 Jun 27. Epub 2022 Jun 27.

Department of Dermatology and Venereology, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China.

Introduction: Although pulsed dye laser (PDL) remains the gold standard for the treatment of port-wine stains (PWS), hematoporphyrin monomethyl ether photodynamic therapy (HMME-PDT) is another treatment modality that has been shown to be effective in the treatment of PWS. This study aimed to observe the clinical efficacy and therapeutic response of HMME-PDT in the treatment of pediatric Chinese patients with PWS and to analyze the association between the efficacy of therapy and the dermoscopic features of PWS.

Methods: Pediatric patients with PWS and negative HMME skin test were enrolled between December 2017 and May 2021. Read More

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Clinical and dermoscopic findings of benign longitudinal melanonychia due to melanocytic activation differ by skin type and predict likelihood of nail matrix biopsy.

J Am Acad Dermatol 2022 Jun 22. Epub 2022 Jun 22.

Department of Dermatology, Weill Cornell Medicine New York, NY, USA. Electronic address:

Background: Longitudinal melanonychia (LM) is a common dermatologic finding in clinical practice with a broad differential diagnosis. Melanocytic activation is the most common LM etiology.

Objective: To investigate clinical and dermoscopic differences of benign LM based on Fitzpatrick skin type and in biopsied vs. Read More

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Dermoscopy in the diagnosis and assessment of treatment response in granulomatous cheilitis.

BMJ Case Rep 2022 Jun 24;15(6). Epub 2022 Jun 24.

Dermatology Venereology and Leprosy, Shri BM Patil Medical College, Vijayapur, Karnataka, India

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Treatment of solar lentigo with imiquimod 3.75% cream: a dermoscopic study.

J Cosmet Dermatol 2022 Jun 24. Epub 2022 Jun 24.

Dermatology Unit, Papardo Hospital, Messina, Italy.

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Colored Texture Analysis Fuzzy Entropy Methods with a Dermoscopic Application.

Entropy (Basel) 2022 Jun 15;24(6). Epub 2022 Jun 15.

Univ Angers, LARIS, SFR MATHSTIC, F-49000 Angers, France.

Texture analysis is a subject of intensive focus in research due to its significant role in the field of image processing. However, few studies focus on colored texture analysis and even fewer use information theory concepts. Entropy measures have been proven competent for gray scale images. Read More

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Non-Melanoma Skin Cancer Clearance after Medical Treatment Detected with Noninvasive Skin Imaging: A Systematic Review and Meta-Analysis.

Cancers (Basel) 2022 Jun 8;14(12). Epub 2022 Jun 8.

Dermatologic Unit, Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy.

Background/objectives: Non-melanoma skin cancer (NMSC) treated with nonsurgical therapies can be monitored with noninvasive skin imaging. The precision of dermoscopy, reflectance confocal microscopy (RCM) and optical coherence tomography (OCT) in detecting clearance is unclear. We aim to report the proportion of persisting tumors identified with noninvasive technologies available in the literature. Read More

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New insights from non-invasive imaging: from prospection of skin photodamages to training with mobile application.

J Eur Acad Dermatol Venereol 2022 Jun;36 Suppl 6:38-50

Dermatology Unit, University of Campania, Naples, Italy.

The incidence of non-melanoma skin cancer is on the rise and melanoma is among the most common cancers in the United States. Establishing an early diagnosis is essential for improving the prognosis of patients with skin cancer. High-resolution non-invasive imaging techniques may represent key tools for helping to identify and monitor early signs of skin cancer in seemingly healthy skin. Read More

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Dermoscopy of skin parasitoses, bites and stings: a systematic review of the literature.

J Eur Acad Dermatol Venereol 2022 Jun 23. Epub 2022 Jun 23.

Institute of Dermatology, Department of Medicine, University of Udine, Udine, Italy.

Besides classic applications, dermoscopy has gained significant appreciation also for non-tumoral dermatoses (general dermatology). In this field, skin parasitoses (infestations), bites and stings have been reported among the conditions that may benefit most from dermoscopic examination. However, published data on this topic are sparse and often lack a standardized analytical approach. Read More

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Clinical findings are not helpful in detecting lentigo maligna melanoma in patients with biopsy proven lentigo maligna.

J Eur Acad Dermatol Venereol 2022 Jun 22. Epub 2022 Jun 22.

Erasmus MC Cancer institute, University Medical Center Rotterdam, The Netherlands, Department of Dermatology.

Background: Lentigo maligna (LM) based on biopsy material might be lentigo maligna melanoma (LMM) after excision.

Objectives: Investigate whether clinical and dermoscopic mapping increases the detection rate of LMM when investigating staged excision specimens of biopsy proven LM.

Methods: Patients with biopsy proven LM planned for staged excision were included. Read More

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Development and validation of the interpretability analysis system based on deep learning model for smart image follow-up of nail pigmentation.

Ann Transl Med 2022 May;10(10):551

Department of Dermatology, Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China.

Background: Nail pigmentation can be a clinical manifestation of malignant melanoma and a variety of benign diseases. Nail matrix biopsy for pathologic examination, the gold standard for diagnosis of subungual melanoma, is a painful procedure and may result in nail damage. Therefore, there is a great need for non-invasive methods and long-term follow-up for nail pigmentation. Read More

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Black-Spot Toxicodendron Dermatitis With Varied Presentation.

Wilderness Environ Med 2022 Jun 16. Epub 2022 Jun 16.

School of the Environment, Geography and Geosciences, University of Portsmouth, Portsmouth, UK.

This article describes the clinical presentation, differential diagnosis, and treatment of 2 unrelated cases with different presentations of black-spot Toxicodendron dermatitis. In the first case, a healthy 7-y-old male presented with a rash consisting of black dots with localized surrounding erythema on the left arm. The rash then progressed to a vesicular, pinpoint, raised rash spreading to the face, arms, and neck. Read More

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Deepening the observation of mycosis fungoides through dermoscopy: definition of the dermoscopic profiles of its progression stages and variants.

Authors:
A Borghi

J Eur Acad Dermatol Venereol 2022 07;36(7):946

Section of Dermatology and Infectious Diseases, University of Ferrara, Ferrara, Italy.

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Skin Cancer Education Interventions for Primary Care Providers: A Scoping Review.

J Gen Intern Med 2022 Jun 16. Epub 2022 Jun 16.

Department of Dermatology, MD Anderson Cancer Center, Houston, TX, USA.

Primary care physicians (PCPs) are often the first line of defense against skin cancers. Despite this, many PCPs do not receive a comprehensive training in skin conditions. Educational interventions aimed at skin cancer screening instruction for PCPs offer an opportunity to detect skin cancer at earlier stages and subsequent improved morbidity and mortality. Read More

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Not So Uncommon Cause of Foot Pain: Cutaneous Hair Splinter of the Sole.

Skin Appendage Disord 2022 May 9;8(3):256-260. Epub 2021 Dec 9.

Department of Dermatology, Universidade Federal Fluminense, Centro de Ciências Médicas, Hospital Universitário Antonia Pedro, Rio de Janeiro, Brazil.

Introduction: A fragment of hair penetrating the skin has been referred to as cutaneous pili migrans in the literature. The condition is regarded rare and the cause unknown.

Case Presentation: A 55-year-old female experienced painful sensations of the sole. Read More

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Development and Validation of a Dermoscopic Severity Score for Female Pattern Hair Loss.

Skin Appendage Disord 2022 May 14;8(3):228-235. Epub 2021 Dec 14.

Department of Dermatology, Unesp Medical School, Botucatu, Brazil.

Introduction: Despite the high prevalence and impact on quality of life, there are no objective methods to estimate the severity of female pattern hair loss (FPHL). Here, we aimed to develop a dermoscopic severity score for FPHL.

Methods: Cross-sectional study involving 76 women with FPHL and 12 controls. Read More

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Discrimination of cancerous from benign pigmented skin lesions based on multispectral autofluorescence lifetime imaging dermoscopy and machine learning.

J Biomed Opt 2022 Jun;27(6)

University of Oklahoma, School of Electrical and Computer Engineering, Norman, Oklahoma, United States.

Significance: Accurate early diagnosis of malignant skin lesions is critical in providing adequate and timely treatment; unfortunately, initial clinical evaluation of similar-looking benign and malignant skin lesions can result in missed diagnosis of malignant lesions and unnecessary biopsy of benign ones.

Aim: To develop and validate a label-free and objective image-guided strategy for the clinical evaluation of suspicious pigmented skin lesions based on multispectral autofluorescence lifetime imaging (maFLIM) dermoscopy.

Approach: We tested the hypothesis that maFLIM-derived autofluorescence global features can be used in machine-learning (ML) models to discriminate malignant from benign pigmented skin lesions. Read More

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Dermoscopy for the Diagnosis of Palmar Lichen Nitidus.

Actas Dermosifiliogr 2022 Jun 11. Epub 2022 Jun 11.

London, Medical Director & Senior Consultant Dermatologist, Amanza Skin Clinic, Perinthalmanna, Kerala, India.

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Efficacy evaluation and dermoscopy predictors of photodynamic therapy with different pretreatments in the treatment of actinic keratosis.

J Dermatolog Treat 2022 Jun 20:1-5. Epub 2022 Jun 20.

Department of Dermatology, The First People's Hospital of Lianyungang, Affiliated to Xuzhou Medical University, Lianyungang, China.

Objective: The aim of this study was to accurately evaluate the efficacy of photodynamic therapy (PDT) on actinic keratosis (AK) in the Asian population and its relationship with preconditioning and dermoscopy grading, and to determine whether some dermoscopic features of AK can independently predict the response to PDT to optimize the choice of clinical treatment.

Materials And Methods: From January 2017 to January 2020, patients who were diagnosed as AK with only one lesion in our hospital were included in our study. PDT was performed after pretreatment with ablative fractional CO2 laser or cryotherapy. Read More

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Dermoscopy of juvenile xanthogranuloma: a retrospective descriptive study on 35 paediatric patients.

J Eur Acad Dermatol Venereol 2022 Jun 10. Epub 2022 Jun 10.

Dermatology Unit, University of Campania, Naples, Italy.

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Computational Intelligence-Based Melanoma Detection and Classification Using Dermoscopic Images.

Comput Intell Neurosci 2022 31;2022:2370190. Epub 2022 May 31.

College of Computer Engineering and Sciences, Prince Sattam Bin Abdulaziz Univeristy, Al Kharj, Saudi Arabia.

Melanoma is a kind of skin cancer caused by the irregular development of pigment-producing cells. Since melanoma detection efficiency is limited to different factors such as poor contrast among lesions and nearby skin regions, and visual resemblance among melanoma and non-melanoma lesions, intelligent computer-aided diagnosis (CAD) models are essential. Recently, computational intelligence (CI) and deep learning (DL) techniques are utilized for effective decision-making in the biomedical field. Read More

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A new generative adversarial network for medical images super resolution.

Sci Rep 2022 Jun 9;12(1):9533. Epub 2022 Jun 9.

Department of Electrical and Computer Engineering, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan.

For medical image analysis, there is always an immense need for rich details in an image. Typically, the diagnosis will be served best if the fine details in the image are retained and the image is available in high resolution. In medical imaging, acquiring high-resolution images is challenging and costly as it requires sophisticated and expensive instruments, trained human resources, and often causes operation delays. Read More

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Hair and Nail Conditions: Nail Conditions.

Authors:
Julie E Mervak

FP Essent 2022 Jun;517:27-34

Department of Dermatology - University of Michigan School of Medicine, 1910 Taubman Center 1500 E. Medical Center Drive, Ann Arbor, MI 48109-5314.

A thorough understanding of nail anatomy can help physicians identify the causes of nail conditions. Observation of changes to the nail can help establish a diagnosis. Patient evaluation should include a physical examination, dermoscopy, and, in some cases, nail biopsy. Read More

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Hair and Nail Conditions: Alopecia Evaluation.

Authors:
Sam Wu

FP Essent 2022 Jun;517:11-16

Department of Dermatology - University of North Carolina School of Medicine, 410 Market St Suite 400, Chapel Hill, NC 27516.

Alopecia affects men and women and can result in significant distress for patients. Alopecias can be categorized as nonscarring or scarring. Nonscarring alopecias include male and female pattern alopecias, alopecia areata, telogen effluvium, traction alopecia, trichotillomania, and tinea capitis. Read More

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Graph-Based Intercategory and Intermodality Network for Multilabel Classification and Melanoma Diagnosis of Skin Lesions in Dermoscopy and Clinical Images.

IEEE Trans Med Imaging 2022 Jun 9;PP. Epub 2022 Jun 9.

The identification of melanoma involves an integrated analysis of skin lesion images acquired using clinical and dermoscopy modalities. Dermoscopic images provide a detailed view of the subsurface visual structures that supplement the macroscopic details from clinical images. Visual melanoma diagnosis is commonly based on the 7-point visual category checklist (7PC), which involves identifying specific characteristics of skin lesions. Read More

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Dermoscopic classification of melasma: Concordance study and correlation with the melanophages count.

J Cosmet Dermatol 2022 Jun 8. Epub 2022 Jun 8.

Professor Rubem David Azulay Dermatology Institute, Santa Casa da Misericordia do Rio de Janeiro, Rio de Janeiro, Brazil.

Background: Melasma is a common hypermelanosis characterized by symmetrical brownish macules, especially on the face. Histologic analysis demonstrates increased epidermal and dermal melanin. Dermoscopy is useful to estimate the depth of the melanin and may help in the diagnosis and classification of melasma, with therapeutic importance. Read More

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Clinical and dermoscopic evaluation of melanocytic nevi changes during diode laser hair removal: A prospective study.

Lasers Surg Med 2022 Jun 7. Epub 2022 Jun 7.

Department of Dermatology, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.

Background: Laser hair removal (LHR) is a common practice with increasing use worldwide. Clinical and dermoscopic changes in melanocytic nevi after LHR have been reported but prospective studies are lacking.

Objective: To describe dermoscopic changes of melanocytic nevi at different time points after LHR. Read More

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Dermoscopic Image Classification of Pigmented Nevus under Deep Learning and the Correlation with Pathological Features.

Comput Math Methods Med 2022 28;2022:9726181. Epub 2022 May 28.

School of Nursing, Binzhou Medical University, Binzhou, 256603 Shandong, China.

The objective of this study was to explore the image classification and case characteristics of pigmented nevus (PN) diagnosed by dermoscopy under deep learning. 268 patients were included as the research objects and they were randomly divided into observation group ( = 134) and control group ( = 134). Image recognition algorithm was used for feature extraction, segmentation, and classification of dermoscopic images, and the image recognition and classification algorithm were studied as the performance and accuracy of fusion classifier were compared. Read More

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Dermoscopy as an efficient aid to diagnose pigmentary and vascular component of periorbital melanosis: A cross-sectional study.

J Cosmet Dermatol 2022 Jun 4. Epub 2022 Jun 4.

Department of Dermatology, AIIMS, Raipur, India.

Introduction: Periorbital melanosis (POM) has a significant impact on quality of life. There is a dearth of literature regarding POM, especially in Asian population. Accurate classification of POM is contributory to the choice of therapy. Read More

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Ex vivo histological correlation using dermoscopy.

JAAD Int 2022 Sep 28;8:56-57. Epub 2022 May 28.

Dermatology Department, Complejo Asistencial Universitario de León, León, Spain.

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September 2022