Rosettes May Be Observed in a Range of Conditions

Liebman, Tracey N.

doi:10.1001/archdermatol.2011.312

Cited by 40 publications

(46 citation statements)

References 2 publications

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“…As opposed to shiny white streaks (chrysalids), in our experience rosettes do not present angular dependence when the dermoscope is rotated around its central axis; this contrasts with the previously published findings by Liebman et al [13]; they are probably attributable to an optical effect of the polarized light and its interaction with adnexal openings that are either narrowed or filled with keratin [13]. We suggest that they correspond to an alternating focal hyperkeratosis and normal corneal layer and keratin-filled adnexal openings.…”

Section: Discussioncontrasting

confidence: 99%

“…We suggest that they correspond to an alternating focal hyperkeratosis and normal corneal layer and keratin-filled adnexal openings. They have been described in non-lesional actinically damaged skin, actinic keratosis, squamous cell carcinoma, basal cell carcinomas and melanomas [13]. Currently, nobody describes rosettes in pigmented melanomas, and we think that they could be important in the diagnosis of incipient melanomas; therefore, further research is required to determine the predictive value of rosettes for any given diagnosis.…”

Section: Discussionmentioning

confidence: 99%

“…Rosettes are characterized by 4 white dots arranged as a 4-leaf clover or as leaves radiating out from a central stem [11]. It has been described mainly in facial sun-damaged skin, actinic keratosis and flat seborrhoeic keratosis [9,11,12], but has also recently been detected in other skin neoplasias such as squamous and basal cell carcinomas, and in 2 cases of hypomelanotic melanomas [9,12,13]. …”

Section: Introductionmentioning

confidence: 99%

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Dermoscopic Rosettes as a Clue for Pigmented Incipient Melanoma

González-Álvarez¹,

Armengot‐Carbó

Barreiro³

et al. 2013

Dermatology

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The rosette structure is a dermoscopic sign visible under polarized light, characterized by 4 white points arranged as a 4-leaf clover. It has been mainly described in facial sun-damaged skin and actinic keratosis, although it has also been found in squamous and basal cell carcinomas, and in 2 cases of hypomelanotic melanomas. We describe 2 different cases of pigmented incipient melanomas with the presence of multiple rosettes and shiny white structures on dermoscopy. In the reflectance confocal microscope they exhibit a disarranged epidermal architecture with atypical and dendritic cells. Histological examination showed focal hyperkeratosis and a normal corneal layer presented alternatively. To our knowledge this is the first description of rosette structures in pigmented melanomas. Based on a proper dermoscopic- confocal-histopathological correlation, we hypothesize that rosettes could correspond to optic phenomena due to changes in the superficial epidermal reaction and in the acrosyringia.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Dermoscopic Rosettes as a Clue for Pigmented Incipient Melanoma

González-Álvarez¹,

Armengot‐Carbó

Barreiro³

et al. 2013

Dermatology

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“…19,20 Shiny white structures that could not be classified into one of these specific morphologies were categorized as nonspecified .…”

Section: Methodsmentioning

confidence: 99%

Association of Shiny White Blotches and Strands With Nonpigmented Basal Cell Carcinoma

et al. 2016

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“…However, some dermoscopic aspects of BCC are strictly instrument-dependent. Recently described features such as white shiny streaks, chrysalis structures and the rosette sign are only visible with polarised dermoscopy and do not apply to immersion contact dermoscopy (12)(13)(14)(15)(16)(17).…”

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confidence: 99%

High Magnification Digital Dermoscopy of Basal Cell Carcinoma: A Single-centre Study on 400 cases

Seidenari¹,

Bellucci²,

Bassoli³

et al. 2014

Acta Derm Venerol

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The aim of this study was to assess the frequency of classic dermoscopic basal cell carcinoma (BCC) features and the sensitivity of new descriptors, such as light brown nests (homogeneous and structured) only visible employing a high magnification digital videomicroscope. A retrospective analysis of 2,024 highly magnified digital images referring to 400 BCCs was performed by 3 independent observers, who assessed 11 classic BCC descriptors and the new ones. Light brown nests were detected in 40.5% of BCCs. Homogeneous ones were observable in 17.8%, and structured nests in 32.8%. Light brown nests were visible in 14.3% of non-pigmented lesions, whereas in the pigmented groups these were observed in 42-54% of the cases. We suggest that brown nests described in this study may improve early recognition of superficial BCCs and of non-pigmented or slightly pigmented ones that may lack classic dermoscopic patterns.

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Rosettes May Be Observed in a Range of Conditions

Cited by 40 publications

References 2 publications

Dermoscopic Rosettes as a Clue for Pigmented Incipient Melanoma

Dermoscopic Rosettes as a Clue for Pigmented Incipient Melanoma

Association of Shiny White Blotches and Strands With Nonpigmented Basal Cell Carcinoma

High Magnification Digital Dermoscopy of Basal Cell Carcinoma: A Single-centre Study on 400 cases

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