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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

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

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

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

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

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

Dermatology Unit, Papardo Hospital, Messina, Italy.

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

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

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

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

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

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

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

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

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

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

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

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

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

Actas Dermosifiliogr 2022 Jun 11. Epub 2022 Jun 11.

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

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

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

Dermatology Unit, University of Campania, Naples, Italy.

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

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

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

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

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

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

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

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

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

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

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