Primary melanoma in rare locations: Clinical and dermatoscopic features

Kamińska‐Winciorek, Grażyna; Calik, Jacek; Wydmański, Jerzy; Schwartz, Robert A.; Czajkowski, Rafał

doi:10.4103/0378-6323.136976

Cited by 10 publications

(9 citation statements)

References 5 publications

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“…and finally homogenous pigmented areas and obliteration of the follicles are seen (Figure 2, A and B). Sensitivity and specificity of these features are reported to be 89% and 93% respectively [5][6][7].…”

Section: Key Messagesmentioning

confidence: 99%

“…2 population-based analyses suggest surgical removal as the treatment of choice; however, following recent data, wider surgical margins for melanomas of the external ear do not affect the overall survival [3,4]. Reviewing current literature shows, that melanomas of the external ear exhibit classical features of extra-facial melanomas, both clinically and dermoscopically (eg atypical pigment network, irregular dots and/ or globules, and peripheral streaks) (Figure 1, A and B) [5].…”

Section: Introductionmentioning

confidence: 95%

“…In contrast, melanomas of the face are known to be associated with chronic sun-damaged skin and considered as slow-growing tumours. Their incidence increases mostly due to the higher cumulative exposure to ultraviolet radiation [5][6][7]. Stolz et al [6], first described a progression model from in-situ melanomas of the face (lentigo maligna) to dermoscopically invasive ones.…”

Section: Introductionmentioning

confidence: 99%

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Clinical and Dermoscopic Features of Melanocytic Lesions on the Face Versus the External Ear

Deinlein

Blum²,

Schulter

et al. 2021

Dermatol Pract Concept

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Introduction: Melanoma of the external ear is a rare condition accounting for 7-20% of all melanomas of the head and neck region. They present classical features of extra-facial melanomas clinically and dermoscopically. In contrast, facial melanomas show peculiar patterns in dermoscopy. Objectives: We evaluate whether there are clinical and/or dermoscopic differences in melanocytic lesions located either at the external ear or on the face. Methods: In this retrospective study we reviewed an image database for clinical and dermoscopic images of melanomas and nevi located either on the face or at the level of the external ear. Results: 65 patients (37 men; 63.8%) with 65 lesions were included. We found no significant differences in comparing face melanomas with melanomas at the level of the external ear, neither clinically nor dermoscopically. However, we provided evidence for differences in some clinical and dermoscopic features of melanomas and nevi of the external ear. Conclusions: In this study, we reported no significant differences in comparing melanomas on the face with melanomas of the external ear, both clinically and dermoscopically. Furthermore, we provided data on clinical and dermoscopic differences comparing nevi and melanoma of the external ear.

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Section: Key Messagesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

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Clinical and Dermoscopic Features of Melanocytic Lesions on the Face Versus the External Ear

Deinlein

Blum²,

Schulter

et al. 2021

Dermatol Pract Concept

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“…Dermoscopy is used to distinguish SSM from melanocytic nevi, solar lentigines, seborrheic keratosis, pigmented basal cell carcinoma, and pigmented mammary Paget's disease [8,9]. Common dermatoscopic features of the SSM are an asymmetric blue-gray structure, multiple colors, and an atypical reticular pattern [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Superficial spreading melanoma: an analysis of 97 702 cases using the SEER database

2016

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Superficial spreading melanoma (SSM) is the most common type of melanoma. Large, population-based studies analyzing the incidence and survival of SSM are limited. This retrospective study was designed to evaluate demographic factors influencing the incidence and survival of SSM using a national population-based database. The United States National Cancer Institute's Surveillance, Epidemiology, and End Results registry was used to calculate incidence and disease-specific survival trends for SSM between 1973 and 2012. Patient data were stratified according to age, sex, race, ulceration, thickness, and stage. Of 97 702 patients, 52.66% were men, 94.93% were white, and 38.92% had a primary lesion on the trunk. The overall incidence is 5.987/100 000 and is increasing with an annual percentage change (APC) of 1.42%. Incidence increases with age, peaking at 70-79 years. Men (6.68/100 00, APC: 1.78) had a significantly higher incidence than women (5.565/100 000, APC: 1.10). A total of 79.16% of SSM are less than or equal to 1 mm and 92.32% are nonulcerated. The overall 5-year survival is 95.30% and is increasing steadily. Women (hazard ratio: 0.54), 'other' races (hazard ratio: 0.30), those with local disease, those with thin tumors, and those without ulceration had higher survival than their counterparts (P<0.0001). The incidence of this predominantly thin melanoma subtype is on the rise, creating enhanced concern. Primary and secondary prevention techniques should consider the mortality associated with thin melanoma.

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“…Although it is generally used to diagnose melanocytic skin diseases, it has also started to be used to diagnose nonmelanocytic skin diseases in recent years [9]. There are very few dermoscopic publications concerning oral mucosal diseases [10,11]. This study aimed to investigate the dermoscopic and clinical characteristics of histopathologically verified mucoceles.…”

Section: Introductionmentioning

confidence: 99%

Dermoscopy of oral mucocele: three type of extravasation mucocele

et al. 2020

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Background/aim: Dermoscopy is a diagnostic tool that assists in imaging the epidermis and dermis. Although it has also started to be used to diagnose nonmelanocytic lesions recently, it has not been tested much on oral mucosal masses, such as oral mucoceles. This study aimed to investigate whether dermoscopy is a valuable tool in diagnosing oral mucoceles. Materials and methods: In this study, the clinical and dermoscopic features of 21 oral mucocele lesions of 21 patients (11 females, 10 males) aged between 6 and 38 years who were confirmed histopathologically were evaluated. Results: Of the lesions studied, 95.2% (20) were extravasation and 4.8% (1) were retention mucoceles. The nonvascular structures were determined as white areas (61.9%, 13), erythema (57.1%, 12), purplish-gray background (52.3%, 11), ulcer (30%, 8), yellowishorange areas (23.8%, 5), crust (14.2%, 3), starburst pattern (0.95%, 2), and bleeding (0.47%, 1). Dermoscopically, 40% of extravasation mucoceles were classified as type 1 (8 patients), 25% as type 2 (5 patients), and 35% as type 3 (7 patients). Conclusion: We concluded that there are 3 types of extravasation mucoceles dermoscopically and clinically, and these types may be stages of transition between each other.

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Primary melanoma in rare locations: Clinical and dermatoscopic features

Cited by 10 publications

References 5 publications

Clinical and Dermoscopic Features of Melanocytic Lesions on the Face Versus the External Ear

Clinical and Dermoscopic Features of Melanocytic Lesions on the Face Versus the External Ear

Superficial spreading melanoma: an analysis of 97 702 cases using the SEER database

Dermoscopy of oral mucocele: three type of extravasation mucocele

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