Reticular grey-blue areas of regression as a dermoscopic marker of melanoma <i>in situ</i>

Seidenari, Stefania; Ferrari, Chiara; Borsari, Stefania; Benati, Elisa; Ponti, Giovanni; Bassoli, Sara; Giusti, Francesca; Schianchi, Simona; Pellacani, Giovanni

doi:10.1111/j.1365-2133.2010.09821.x

Cited by 40 publications

(52 citation statements)

References 38 publications

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“…We identified the reticular pattern of grey-blue regression as a significant discriminator and a reliable predictor of MIS [11]. Moreover, we showed that the dermoscopic island, a well-circumscribed lesion area showing a uniform dermoscopic pattern which differs from the one present in the rest of the lesion, is characteristic of thin MMs, especially in situ ones, arising on a naevus [12].…”

Section: Discussionmentioning

confidence: 99%

“…We have recently described some dermoscopic aspects peculiar for MIS and initial MMs, such as reticular grey-blue areas, the dermoscopic island and atypical aspects of the network [11,12]. We identified the reticular pattern of grey-blue regression as a significant discriminator and a reliable predictor of MIS [11].…”

Section: Discussionmentioning

confidence: 99%

“…Lesions with reticular regression involving more than half of the lesion area were separately considered and included in a group called ‘reticular grey-blue’. The term reticular regression indicates a coarse blue-grey net, with thick grey-blue lines and large holes, corresponding to white, pink or light brown regression areas [11]. In lesions showing this aspect, the reticulation does not correspond to the pigment network, which has smaller meshes and thinner lines.…”

Section: Methodsmentioning

confidence: 99%

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Variegated Dermoscopy of in situ Melanoma

Seidenari

Bassoli²,

Borsari³

et al. 2012

Dermatology

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Background: Melanomas in situ (MIS) are difficult to diagnose, lacking well-established dermoscopic descriptors. Objective: The aim of this study was toimprove the identification of early melanomas describing the variegated dermoscopic features of MIS and their correlation with demographic and clinical aspects. Methods: Dermoscopic images of 114 histologically proven MIS were evaluated by 3 expert dermoscopists and classified into their main dermoscopic patterns. Dermoscopic features were also considered for their correlation with clinical parameters. Results: Eight different dermoscopic subtypes of MIS were identified: reticular grey-blue (27.2%), reticular (21.1%), multicomponent (20.2%), island (10.5%), spitzoid (7%), inverse network (6.1%), ‘net-blue globules’ (5.3%) and globular (2.6%). Clinical characteristics of lesions and patients varied according to the different dermoscopic groups. Conclusion: We hypothesize that the different dermoscopic subgroups of MIS correspond to lesions with a different origin and, possibly, various patterns of growth and a different biological behaviour.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Variegated Dermoscopy of in situ Melanoma

Seidenari

Bassoli²,

Borsari³

et al. 2012

Dermatology

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“…3). 28 The fading of the pigment network or of other dermoscopic structures results in areas of structureless light brown pigmentation. 29 This reticular-type of regression can be found in so-called slow-growing melanomas that are characterized dermoscopically by the simultaneous presence of network and regression.…”

Section: Regression (Flat Blue-white Structures)mentioning

confidence: 99%

Blue Lesions

Longo

Scope

Lallas

et al. 2013

Dermatologic Clinics

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Blue color is found in a wide range of malignant and benign melanocytic and nonmelanocytic lesions and in lesions that result from penetration of exogenous materials, such as radiation or amalgam tattoo or traumatic penetration of particles. Discriminating between different diagnostic entities that display blue color relies on careful patient examination and lesion assessment. Dermoscopically, the extent, distribution, and patterns created by blue color can help diagnose lesions with specificity and differentiate between benign and malignant entities. This article provides an overview of the main diagnoses whereby blue color can be found, providing simple management rules for these lesions.

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“…This reticular pattern can serve as a distinguishing characteristic of MIS. 75 The distribution of blue areas (center vs. periphery) is similar in MIS and MM. Peppering, or scattered blue-gray granules within an area of hypopigmentation, can be seen in similar proportions in both types of lesions.…”

Section: Clinical Features Key Pointsmentioning

confidence: 89%