Dermatofibroma simulating seborrheic keratosis dermoscopically

Barroso, Daniel Holanda; Leite, Camila Pinon Zoby; Araujo, Gabriela Diniz de Souza; Teixeira, Márcia Almeida Galvão; Alencar, Eliane Ruth Barbosa de; Cavalcanti, Silvana Maria de Morais

doi:10.1590/abd1806-4841.20164031

Cited by 2 publications

(1 citation statement)

References 4 publications

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“…They frequently present on the extremities and trunk, asymptomatic and the lesions tend to be unchanged. Its classical dermoscopic appearance is white area resembling a scar surrounded by a discrete pigment network [ 8 ]. Clear cell acanthoma are a solitary, shiny, erythematous to brown, papule or nodule that almost completely pale with pressure and surrounding collarette of scale, dermatoscopic features are similar to psoriasis, with prominent vascular puncta [ 1 ].…”

Section: Discussionmentioning

confidence: 99%

Unusual clinical manifestation of seborrheic keratosis on the scalp successfully treated with topical trichloroacetic acid: an atypical case report

Komalasari¹,

Djawad²,

Sumarheni³

et al. 2020

Pan Afr Med J

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Section: Discussionmentioning

confidence: 99%

Unusual clinical manifestation of seborrheic keratosis on the scalp successfully treated with topical trichloroacetic acid: an atypical case report

Komalasari¹,

Djawad²,

Sumarheni³

et al. 2020

Pan Afr Med J

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Features of dermatofibroma in reflectance confocal microscopy

Pogorzelska-Antkowiak¹,

Wcisło‐Dziadecka²,

Brzeźińska-Wcisło³

et al. 2020

Int J Dermatology

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BackgroundDermatofibroma (DF) is a common benign skin lesion in a majority of cases located on the legs or upper limbs. The etiology of DF is still unclear.ObjectivesReflectance confocal microscopy features of DF were described.MethodsForty patients with DF diagnosis confirmed by dermoscopy were examined using reflectance confocal microscopy VivaScope 1500 from March 2018 to April 2019.ResultsDF was more common in females (80%) than males (20%). Thirty‐six lesions (90%) were located on the limbs while four (10%) were on the trunk. Dermoscopically, 18 lesions (45%) revealed typical features: central white area with a brown network in the periphery. Twenty‐two DFs (55%) were found with a central white patch and globular‐like structures, surrounded by a thin brown network. In reflectance confocal microscopy, all revealed a typical honeycombed pattern, although in some cases (30%), streaming was observed. In two lesions (5%) in epidermis, few dendritic cells were observed, and one DF revealed roundish pagetoid cells (2.5%). The dermoepidermal junction (DEJ) in all lesions was abounded in dilated vessels. The most common observable feature of DF was bright “rings” composed of monomorphic, regular cells surrounding dark dermal papillae. In five lesions (12.5%), rings were “double” because of exceptionally pigmented DF.ConclusionReflectance confocal microscopy enables us to describe microscopic features of DF. There are four confocal microscopic features observable in each DF: in the epidermis, normal honeycombed pattern, sometimes with local streaming, in DEJ, edged papillae, bright rings, and dilated vessels.

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Dermatofibroma simulating seborrheic keratosis dermoscopically

Cited by 2 publications

References 4 publications

Unusual clinical manifestation of seborrheic keratosis on the scalp successfully treated with topical trichloroacetic acid: an atypical case report

Unusual clinical manifestation of seborrheic keratosis on the scalp successfully treated with topical trichloroacetic acid: an atypical case report

Features of dermatofibroma in reflectance confocal microscopy

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