Hidden clear cell acanthoma with uncommon dermoscopic findings
An. bras. dermatol; 96 (4), 2021
Results: 13
Evaluation of non-endemic pemphigus foliaceus in a large series of patients: a single-center retrospective study from Turkey focuses on the relapses
An. bras. dermatol; 96 (4), 2021
Abstract Background: Pemphigus foliaceus is exceedingly rare around the world, except within the few regions where it occurs as an endemic variant. Various factors can trigger immune mechanisms that induce pemphigus foliaceus or worsen its course. Objective: To determine the demographic and clinical ch...
The string of pearls pattern in dermoscopy of a chest papule
An. bras. dermatol; 95 (3), 2020
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...
Melanoacanthoma: a potential pitfall of reflectance confocal microscopy
An. bras. dermatol; 94 (6), 2019
Abstract Melanoacanthoma is a rare variant of seborrheic keratosis, which is notable for dark pigmentation and fast radial growth, making it difficult to distinguish from melanoma. Histologically, it is characterized by proliferation of keratinocytes and dendritic melanocytes. The authors report a scalp ...
Onychocytic matricoma
An. bras. dermatol; 94 (2), 2019
Abstract Onychocytic matricoma is a newly described tumor of the nail matrix. Clinically, it presents with localized thickening of the nail plate and melanonychia. Histologically, it represents a benign acanthoma of onychocytes. There are 8 cases reported in the literature. A 12-year-old girl presented w...
Dermoscopic features of clear cell acanthoma
An. bras. dermatol; 93 (3), 2018
Abstract: Clear cell acanthoma is an uncommon type of benign epithelial tumor. Typically, it is a solitary lesion found on the lower limbs. It presents as a nodule or small plaque with slow and well-defined growth. Diagnosis used to be clinical and histopathological, but the advent of dermoscopy has led ...
Multifocal oral melanoacanthoma associated with Addison's disease and hyperthyroidism: a case report
Arch. endocrinol. metab. (Online); 61 (4), 2017
SUMMARY Oral melanoacanthoma is a mucocutaneous, pigmented, rare, benign, and probably reactive lesion. This paper reports for the first time in the literature a case of multifocal oral melanoacanthoma in a patient diagnosed with Addison's disease and concomitant Graves' disease with hyperthyroidism. The...
Acantoma/complicaciones, Acantoma/diagnóstico, Acantoma/patología, Enfermedad de Addison/complicaciones, Biopsia, Enfermedad de Graves/complicaciones, Hiperpigmentación/diagnóstico, Hiperpigmentación/etiología, Neoplasias de la Boca/complicaciones, Neoplasias de la Boca/diagnóstico, Neoplasias de la Boca/patología, Neoplasias Cutáneas/complicaciones, Neoplasias Cutáneas/diagnóstico, Neoplasias Cutáneas/patología
Bilateral clear cell acanthoma of the areola and nipple: good response to topical corticosteroids
An. bras. dermatol; 92 (5,supl.1), 2017
Abstract: Clear cell acanthoma is a rare, epidermal tumor not common in the area of the nipples; indeed, the literature describes only 8 cases, all showing unilateral presentation. We here report the first case of bilateral clear cell acanthoma with good response to topical corticosteroids. Case report:...
Acantoma/tratamiento farmacológico, Acantoma/patología, Administración Tópica, Biopsia, Clobetasol/administración & dosificación, Glucocorticoides/administración & dosificación, Neoplasias Primarias Múltiples/tratamiento farmacológico, Neoplasias Primarias Múltiples/patología, Pezones/patología, Neoplasias Cutáneas/tratamiento farmacológico, Neoplasias Cutáneas/patología, Resultado del Tratamiento
"String of pearls pattern": report of three cases of non clear-cell acanthoma
An. bras. dermatol; 92 (5,supl.1), 2017
Abstract The coiled and dotted vessels in a serpiginous arrangement or "string of pearls" is considered a classical vascular pattern associated with clear cell acanthoma. We present three cases of epidermal tumors different from clear cell acanthoma that have the same "string of pearls" vascular pattern....