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| http://dx.doi.org/10.1016/j.jdcr.2023.05.023 | DOI Listing |
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Trauma-Associated Pseudo-Hutchinson Sign: An Autobiographical Case Report Emphasizing Conditions, Pseudo-Conditions, and Pseudo-Pseudo-Conditions.
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December 2024
Dermatology, University of California, Davis Medical Center, Sacramento, USA.
Melanonychia describes black pigmentation of the nail plate that results from either melanocyte activation (such as infections, local inflammatory disorders, local trauma affecting the nail plate, numerous systemic conditions, and medications) or melanocyte hyperplasia (such as benign neoplasms or malignant tumors) or blood (resulting from a trauma-associated subungual hematoma). The black dyschromia may include not only the nail plate but also the proximal nailfold. The Hutchinson sign refers to black discoloration of both the proximal nailfold and adjacent nail plate when the underlying pigmented lesion is a malignant melanoma.
View Article and Find Full Text PDFA Case of Rapid Transformation of a Nail Matrix Nevi to Melanoma After Messenger RNA COVID-19 Vaccine: A Cause or a Coincidence?
Cureus
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Department of Dermatology, Saint Joseph University, Hôtel-Dieu de France Hospital, Beirut, LBN.
Subungual melanoma is a variant of acral lentiginous melanoma that arises from the nail matrix. Subungual melanomas present unique clinical challenges due to diagnostic difficulties and the lack of a standardized protocol for surveillance, also, there are no evidence-based studies that determine the ideal frequency and duration of clinical and dermoscopy follow-ups in patients with longitudinal melanonychia. This is highlighted by a case of longitudinal melanonychia in a 53-year-old patient who underwent malignant transformation to subungual melanoma after a biphasic growth.
View Article and Find Full Text PDFCelebrating Diversity: Unveiling the Characteristics of Nail Psoriasis and Nail Lichen Planus in 30 Patients With Skin of Color.
Dermatol Pract Concept
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Dermatology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico S. Orsola-Malpighi, Bologna, Italy.
Introduction: Dermatological conditions affecting the nails can manifest differently in individuals with distinct skin tones. This often leads to difficulty in the recognition of nail diseases, especially in people with skin of color (SoC), who are not well represented in the literature.
Objectives: Our aim was to provide dermatologists with useful clues for prompt recognition and diagnosis of nail psoriasis (NPso) and nail lichen planus (NLP) in people with SoC.
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Service de Dermatologie-Vénérologie, Centre National Hospitalier et Universitaire Hubert Koutoukou Maga de Cotonou, Faculté des Sciences de La Santé-Université d'Abomey-Calavi, Cotonou, Benin.
Article Synopsis
- A total of 389 patients were seen, with 301 suspected of onychomycosis, but only 128 were confirmed through mycological testing, resulting in a 32.90% frequency of onychomycosis among nail disorders.
- The study found that patients were mostly middle-aged women, with aesthetic concerns being the primary reason for consultation; the predominant fungi isolated were yeasts, while misunderstandings about
Biopsy-proven diagnoses associated with monodactylous longitudinal nail plate change in a diverse patient population: A retrospective cross-sectional study.
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Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida.
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