Shiny White Streaks: A Sign of Malignancy at Dermoscopy of Pigmented Skin Lesions

Shitara, Danielle; Ishioka, Priscila; Alonso-Pinedo, Yarel; Palacios-Bejarano, Leyla; Carrera, Cristina; Malvehy, Josep; Puig, Susana

doi:10.2340/00015555-1683

Cited by 35 publications

(35 citation statements)

References 31 publications

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“…In addition, in this study, the presence of these structures was associated with other criteria of dermal invasion, such as: blue-gray veil, milky red globules and polymorphic vessels in melanoma or whitish patch in dermatofibromas or homogeneous blue color in blue nevus. The theory that this phenomenon would be an optical artefact by structures found in the dermis took strength with these studies [10][11][12].…”

Section: Commentsmentioning

confidence: 83%

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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Section: Commentsmentioning

confidence: 83%

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

Gimena¹

2017

CDOAJ

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“…Araştırmamızdaki melanomlarda güve yeniği kenarlar ve parmak izi benzeri alanlar da gözlenmiştir (Resim 1, 2). Güve yeniği kenarlar ve parmak izi benzeri alanlar melanomlarda daha önceki dönemlerde yapılmış olan araştırmalarda sadece yüz lokalizasyonlu olgularda tanımlanmış olup yüz dışındaki lokalizasyonlarda gözlendiğine dair herhangi bir bilgiye rastlanmamıştır 23 . Çalışmamızda güve yeniği kenarlar ince, in situ, mitoz oranı <1, LVİ (-), ülserasyon (-) ve regresyon (-) olan melanomlarda, parmak izi benzeri alanlar ise ince, invaziv, mitoz oranı ≥1, LVİ (+), ülserasyon (-) ve regresyon (+) melanomlarda daha yüksek oranda izlenmiştir.…”

Section: Discussionunclassified

“…Benign lezyonlarda bal peteği tarzında düzenli görünen pigment ağı, melanomlarda dermoepidermal bileşkedeki atipik melanositik hiperplaziye bağlı olarak düzensiz, kalın ve geniştir 1 . Yapılan araştırmalarda atipik pigment ağının in situ melanomlarda %88, invaziv melanomlarda ise %33 oranında görüldüğü ve çok erken dönemdeki melanomları temsil ettiği bildirilmektedir 23,25 . Bizim olgularımızda da literatür bulgularıyla uyumlu olarak atipik pigment ağının ince melanomlarda anlamlı olarak daha sık izlendiği belirlenmiştir.…”

Section: Discussionunclassified

“…Dermoskopik olarak ağ yapısından veya ana kitleden normal deriye doğru uzanan lineer uzantılar ışınsal uzantılar, parmağımsı uzantılar ise psödopodlar olarak adlandırılmaktadır. Histopatolojik olarak her ikisi de bileşke bölgesinde atipik melanositik pagetoid yayılım gösteren melanositik yuvaları temsil etmektedir ve radyal büyüme fazındaki ince melanomlar için karakteristiktir 1,22,23 . İnce melanomlarda yapılan araştırmalarda ışınsal uzantılarin %53,6 oranında, psödopodların ise %4,9 oranında gözlendiği ve ince melanomların invaziv olanlarında in situ olanlara göre daha fazla izlendiği belirtilmiştir 3 .…”

Section: Discussionunclassified

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Investigation of the relationship between dermoscopic features and histopathological prognostic indicators in patients with cutaneous melanoma

Özbağçıvan¹,

Lebe²,

Akarsu³

et al. 2015

TURKDERM

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“…They found different characteristics were better visualized using different types of light; for example, polarized light was preferred for imaging blood vessels and red areas, and it was the only modality permitting visualization of shiny white lines, clods, and rosettes. 18,19 In contrast, structures such as milia cyst are more conspicuous with nonpolarized light. The optimal light source therefore depends on the type of skin lesion being imaged.…”

Section: Lightingmentioning

confidence: 99%

Proposed Technical Guidelines for the Acquisition of Clinical Images of Skin-Related Conditions

et al. 2017

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On behalf of the International Society of Digital Imaging of the Skin (ISDIS) for the International Skin Imaging Collaboration (ISIC) D igital photographic documentation is increasingly common in dermatology practice. 1,2 Advances in both photographic and internet technology have improved clinicians' access to high-quality images at relatively low cost. Images are most often archived to monitor skin conditions over time or transmitted between clinicians using store-and-forward methods, enabling wider access to specialist diagnostic and treatment advice. [2][3][4][5][6] Telemedicine services are particularly well suited to dermatology given the skin can be easily viewed and imaged, the majority of cases are nonurgent, and there is high demand for dermatology services in both urban and remote areas 2,7 Digital photography offers additional benefits to traditional methods of assessing and treating a range of skin conditions. The ability to store images enables clinicians to review progress of chronic conditions and responses to treatment, monitor high-risk patients and contribute to ongoing research and education. 1,7 Total body imaging and teledermoscopy methods are increasingly being used for skin cancer monitoring and follow-up, 8,9 but are also useful for long-term monitoring of chronic skin conditions, including psoriasis and cutaneous T-cell lymphoma. 3,10 Image Standardization in DermatologyOptimizing the technological aspects of imaging, such as lighting, focus, and magnification, will ensure photographs accurately represent skin conditions. 6,11 Furthermore, paying adequate attention to aspects of photographic technique, including patient positioning, field of view, and camera resolution enables efficient clinical review and the development of image archives for long-term follow-up of patients when patients see multiple clinicians, or move to another state or country.Without standardized and consistent approaches to imaging, clinicians and researchers risk limiting the usefulness of a large and IMPORTANCE Standardizing dermatological imaging is important to improve monitoring of skin lesions and skin conditions, ensure the availability of high-quality images for teledermatology, and contribute to the development of a robust archive of skin images to be used for research.OBJECTIVE To provide guidelines for the clinical application of the Standards for Dermatological Imaging set forward by the ISIC. EVIDENCE REVIEWThe ISIC recommendations were developed through a hybrid Delphi methodology. The methods for achieving consensus have been described previously. The practical application of these recommendations was evaluated by 2 clinical photographers with expertise in skin imaging. Images corresponding to each recommendation were taken by a clinical photographer and provided as visual examples of how these recommendations can be implemented in clinical practice. RESULTSThe Standards for Dermatological Imaging developed by the ISIC members could be followed in the clinical setting. Images showing appropriate ...

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Shiny White Streaks: A Sign of Malignancy at Dermoscopy of Pigmented Skin Lesions

Cited by 35 publications

References 31 publications

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

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

Investigation of the relationship between dermoscopic features and histopathological prognostic indicators in patients with cutaneous melanoma

Proposed Technical Guidelines for the Acquisition of Clinical Images of Skin-Related Conditions

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