Results: 157

Pseudoxanthoma elasticum-like papillary dermal elastolysis in non-exposed skin

An. bras. dermatol; 95 (2), 2020
Abstract Pseudoxanthoma elasticum-like papillary dermal elastolysis is an acquired elastic tissue disorder clinically similar to pseudoxanthoma elasticum in the absence of systemic involvement. Histopathologically, special staining of elastic fibers demonstrates a total or partial band-like loss of elast...

Melanonychia associated with subungual follicular inclusions: report of three cases

An. bras. dermatol; 95 (2), 2020
Abstract Melanonychia is the change in the coloration of the nail plate resulting from the deposition of melanin. Among its causes are melanocytic hyperplasia, melanocytic activation and nail melanoma. Subungual follicular inclusions are histological findings of unknown etiology, possibly related to trau...

Dermoscopic pattern of Kyrles disease

An. bras. dermatol; 95 (2), 2020
Abstract The clinical diagnosis of Kyrle's disease may sometimes be challenging, due to the clinical similarity of lesions to other pruritic dermatosis. Although the dermoscopy is being increasingly used in daily practice, there is insufficient data in literature describing the dermoscopic patterns of Ky...

Dermatoscopy of the Borst-Jadassohn phenomenon in hidroacanthoma simplex

An. bras. dermatol; 95 (1), 2020
Abstract The Borst-Jadassohn phenomenon is a morphological finding that consists of the presence of well-defined nests of cells located in the spiny stratum of an acanthotic epidermis. One of the neoplasms where this phenomenon is found is hidroacanthoma simplex. This neoplasm is considered the intraepid...

Eruptive disseminated Spitz nevi - Case report

An. bras. dermatol; 95 (1), 2020
Abstract Spitz nevus is a benign melanocytic lesion, which presents in several ways: solitary, agminated, or disseminated. The disseminated variant is uncommon; it may have a rapid evolution (the eruptive form) and be difficult to manage. This report presents the case of a 24-year-old patient with multip...

Update on parasitic dermatoses

An. bras. dermatol; 95 (1), 2020
Abstract These are cutaneous diseases caused by insects, worms, protozoa, or coelenterates which may or may not have a parasitic life. In this review the main ethological agents, clinical aspects, laboratory exams, and treatments of these dermatological diseases will be studied....

In vivo and ex vivo dermoscopy of lesions from implantation of human papillomavirus in tattoos: report of two cases

An. bras. dermatol; 95 (1), 2020
Abstract The number of individuals with tattoos has been increasing worldwide, alongside with reports of complications varying from reactions to the injected pigments to infections caused by agents inoculated in the pigmentation process. The diagnosis of such unwanted events can be obtained through compl...

Multiple eruptive and vulvar syringomas and the incipient role of dermoscopy in diagnosis

Rev. chil. dermatol; 36 (1), 2020
INTRODUCCIÓN: Los siringomas son tumores benignos derivados de la porción intraepidérmica de los conductos sudoríparos ecrinos. Ocasionalmente pueden iniciar de forma súbita como siringomas eruptivos o localizarse en sitios atípicos que retrasan el diagnóstico por años. La dermatoscopía tiene un...