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http://dx.doi.org/10.1016/j.jaad.2015.04.013 | DOI Listing |
Acta Dermatovenerol Croat
March 2024
Kozo Nakai, MD, PhD, Professor and Chairman, Department of Dermatology, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi 783-8505, Japan;
Acquired circumscribed hyperpigmented patches and plaques have various differential diagnoses, including post-inflammatory hyperpigmentation and mycosis fungoides (MF). Leukomelanoderma is an uncommon cutaneous condition in which the pathogenesis is not fully elucidated. It has been reported that leukomelanoderma occurs after allergic contact dermatitis from hydroquinone or acute cutaneous graft-versus-host disease (1,2).
View Article and Find Full Text PDFDermatol Reports
June 2023
Department of Internal Medicine - Dermatology, Federal Fluminense University, Niteroi, Rio de Janeiro, Brazil.
Hidroacanthoma simplex (HS) is a rare benign intraepidermal tumor that originates in the acrosyringial portion of the eccrine duct. Clinically, they are well-defined lesions, flat or verrucous brownish plaque, and can be misdiagnosed with other types of benign or malignant tumors. Dermoscopy reveals small black globules and fine scales.
View Article and Find Full Text PDFJ Clin Med
August 2022
Department of Experimental and Clinical Medicine, Universita degli Studi di Udine, 33100 Udine, Italy.
The term mastocytosis refers to a heterogeneous group of disorders characterised by accumulation of clonal mast cells in different organs, most commonly in the skin. Little is known about the role of dermoscopy in the diagnostics of mastocytosis. To date, no systematic review on the dermoscopic features of cutaneous mastocytosis has been performed.
View Article and Find Full Text PDFDermatol Pract Concept
October 2021
Sparkle Skin & Aesthetic Clinic, Vashi, Navi Mumbai, India.
Indian J Dermatol Venereol Leprol
May 2022
Talwar Skin Centre, Lucknow, Uttar Pradesh, India.
Porokeratosis is a keratinization disorder with unclear etiopathogenesis, varied clinical presentation and characteristic histopathology, and is usually unresponsive to current therapeutic options. Until now, it was considered to be a clonal disorder with immunity, ultra violet radiation and other factors playing important roles in etiopathogenesis. It is now known that abnormalities in the mevalonate pathway are responsible for this clonal keratinization abnormality.
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