Dermoscopic rainbow pattern in non-Kaposi sarcoma lesions

Vázquez‐López, Francisco; García-García, B.; Rajadhyaksha, Milind; Marghoob, Ashfaq

doi:10.1111/j.1365-2133.2009.09225.x

Cited by 45 publications

(43 citation statements)

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“…- for the nail plate examination: longitudinal parallel white lines, longitudinal parallel grey lines, sharply demarcated lesion edges, parallel lesion edges, hairpin vessels, splinter hemorrhages, ‘rainbow sign' [9], and pink coloration of the background;…”

Section: Methodsmentioning

confidence: 99%

Dermoscopic Features of Onychomatricoma: A Study of 34 Cases

et al. 2015

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Background: Onychomatricoma is a benign tumor of the nail matrix with a precise histopathological definition but many different clinical features and differential diagnoses. Objectives: The diagnosis of onychomatricoma is based on the pathological examination of a surgical specimen. The objective of this study was to define preoperative diagnostic criteria using noninvasive investigations: observation and dermoscopy. Methods: A total of 34 cases of onychomatricoma were studied. In detail, 6 observers evaluated 12 clinical and 12 dermoscopical criteria as present or absent. Results: For clinical criteria, the highest mean values were leuconychia (3.21), splinter hemorrhages (3.45), and thickening of the plate (3.0). Dermoscopical criteria were more often found present, such as longitudinal parallel white lines (4.33), parallel lesion edges (4.61), splinter hemorrhages (4.48), dark dots (3.96), free-edge nail pitting (4.5), and thickening of the free edge (5.27). Conclusion: Dermoscopical criteria for onychomatricoma are more frequently present and less subject to divergent interpretation. This offers new and original preoperative reliable diagnostic criteria and should be used in the evaluation of nail tumors.

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Section: Methodsmentioning

confidence: 99%

Dermoscopic Features of Onychomatricoma: A Study of 34 Cases

et al. 2015

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“…The rainbow pattern , consisting of multicolored areas showing the colors of a rainbow's spectrum [ 52 ], is not specifi c, as it has been encountered in other conditions (melanoma, stasis dermatitis, lichen planus, and hemosiderotic dermatofi broma) [ 53 ].…”

Section: Kaposi's Sarcomamentioning

confidence: 97%

Use of Videodermatoscopy in Dermatology

Lacarrubba

Dinotta

Santagati

et al. 2013

Non Invasive Diagnostic Techniques in Clinical Dermatology

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“…It is commonly accepted that it would be a product of the interaction between polarized light and the "back to back" vessels and, although it was initially described as typical of KS, other authors have found it in lesions such as hemosiderotic dermatofibroma, basal cell carcinoma, pyogenic granulomas, melanomas, stasis dermatitis and lichen planus and others [1,2,7,8].…”

Section: Commentsmentioning

confidence: 99%

The “Rainbow Pattern” and “Crystalline Structures” in a Post-Traumatic Scar

Gimena¹

2017

CDOAJ

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Dermoscopy is a noninvasive diagnostic technique, which is performed in vivo and increases the possibility of diagnosis in both pigmented and non-pigmented lesions.We report the case of a patient with a scar of particular characteristics: the dermoscopic examination showed a "rainbow pattern" as well as "crystalline/chrysalis structures".The term "rainbow pattern" refers to the display of multiple colors and was described primarily in Kaposi's sarcoma (KS) although lately it has also been reported in other lesions, including scars.The "crystalline/chrysalis structures" are bright white lines, visible only with polarized light dermoscopy. They have been related to dermal fibroplasia, although this has not been properly determined yet.

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Dermoscopic rainbow pattern in non-Kaposi sarcoma lesions

Abstract: Reference1 Cheng ST, Ke CL, Lee CH et al. Rainbow pattern in Kaposi's sarcoma under polarized dermoscopy: a dermoscopic pathological study. Br J Dermatol 2009; 160:801-9.

Cited by 45 publications

References 1 publication

Dermoscopic Features of Onychomatricoma: A Study of 34 Cases

Dermoscopic Features of Onychomatricoma: A Study of 34 Cases

Use of Videodermatoscopy in Dermatology

The “Rainbow Pattern” and “Crystalline Structures” in a Post-Traumatic Scar

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