Dermoscopic Features of Melanocytic Nevi in Seven Different Anatomical Locations in Patients With Atypical Nevi Syndrome

Gamo, R. Scott; Malvehy, Josep; Puig, Susana; Fuentes, Manuel-Enrique; Naz, Elena; Fuente, Enrique Gómez de la; Calzado, L.; Sánchez-Gilo, A.; Vicente, F.J.; López‐Estebaranz, José Luis

doi:10.1111/dsu.12143

Cited by 7 publications

(10 citation statements)

References 35 publications

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“…[15][16][17] However, this association was higher in individuals with dark skin, similar to that described in work carried out by Scope et al 18 Another positive relationship was found for central hyperpigmentation in individuals with skin types V and VI. These findings are congruent with the trend curve described by Zalaudek et al 11 Black color was not seen in the light-skinned group and was found in almost 5% of the lesions in the dark-skinned individuals (Fig 3).…”

Section: Discussionsupporting

confidence: 81%

Dermoscopy of black skin: A cross-sectional study of clinical and dermoscopic features of melanocytic lesions in individuals with type V/VI skin compared to those with type I/II skin

Tuma

Yamada

Atallah

et al. 2015

Journal of the American Academy of Dermatology

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Section: Discussionsupporting

confidence: 81%

Dermoscopy of black skin: A cross-sectional study of clinical and dermoscopic features of melanocytic lesions in individuals with type V/VI skin compared to those with type I/II skin

Tuma

Yamada

Atallah

et al. 2015

Journal of the American Academy of Dermatology

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“…More than half of melanocytic lesions of our population study were characterized by irregular dots/globules (76% in melanoma and 40% in naevi). This is partially in line with a previous study that found naevi of the neck had a globular or globular-homogeneous pattern [10].…”

Section: Discussionsupporting

confidence: 93%

Neck Melanoma: Clinical, Dermoscopic and Confocal Features

et al. 2019

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Background: The head and neck are considered one single anatomical unit. No data on clinical, dermoscopic and confocal aspects of neck melanoma are currently available. Objectives: To identify clinical, dermoscopic and confocal diagnostic features of neck melanomas. Methods: Consecutive malignant (cases) and benign (controls) melanocytic skin lesions located on the neck, excised as suspected of being melanoma from March 2011 to February 2018, were retrospectively retrieved. Dermoscopic criteria of the 7-point checklist, integrated by other melanoma features (such as grey colour and irregular hyperpigmented areas) were assessed. Reflectance confocal microscopy (RCM) images were examined when available. Results: 282 lesions located to the head and neck area were biopsied to rule out melanoma. Thirtyone out of 282 (11%) lesions were located on the neck: 21 melanomas and 10 naevi. Melanoma patients were older than patients with naevi (mean age: 60.4 vs. 37.9 years, p < 0.001). Neck melanomas were more frequently located on sun-damaged skin compared to naevi (76.2 vs. 30%, p = 0.02). Dermoscopically, neck melanomas were characterized by irregular dots/globules, grey colour and regression (76.2, 81 and 46.7% of cases) and showed criteria of lentigo maligna melanoma (LMM) in 52.4% of cases. Regression, grey colour, irregular hyperpigmented areas and criteria of LMM typified melanomas on sun-damaged skin, whereas tumours located on non-sun-damaged areas were often characterized by irregular pigmentation (blotches). RCM, implemented to dermoscopy, correctly diagnosed 10/12 melanomas and 3/5 naevi. Conclusion: Neck melanoma has peculiar clinical and dermoscopic aspects that could help clinicians to distinguish it from naevi and to diagnose melanoma earlier.

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“…Naevus development follows an arc‐like trajectory; naevus counts begin to increase in childhood, plateau in the 4th decade of life, and then decrease steadily thereafter . Dermoscopic studies have demonstrated that globular naevi are more common in children, whereas reticular naevi are more common in adults . We have previously shown that globular naevi occur more frequently on the upper back than on the lower back, but that reticular and homogeneous naevi show no site predilection on the back.…”

Section: Discussionmentioning

confidence: 94%

“…31,[33][34][35][36][37][38] Dermoscopic studies have demonstrated that globular naevi are more common in children, whereas reticular naevi are more common in adults. 17,31 We have previously shown that globular naevi occur more frequently on the upper back than on the lower back, but that reticular and homogeneous naevi show no site predilection on the back. Prospective longitudinal follow-up of individual reticular and globular naevi has demonstrated that the dermoscopic classification of these naevi is stable from childhood through adolescence.…”

Section: Discussionmentioning

confidence: 99%

“…performed a cross‐sectional analysis of the anatomical site distribution of naevi in adult patients with the atypical naevus syndrome . In that study, which was limited by sample size and inclusion criteria, the majority of leg naevi showed either reticular or homogeneous dermoscopic patterns, and globular naevi were more frequently observed on the back than on the legs . No study to date has systematically studied the distribution of the dermoscopic patterns of acquired melanocytic naevi in the general population.…”

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confidence: 99%

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Cross-sectional analysis of the dermoscopic patterns and structures of melanocytic naevi on the back and legs of adolescents

et al. 2015

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Background Junctional (flat) naevi predominate on the extremities whereas dermal (raised) naevi are primarily found on the head, neck, and trunk. Few studies have investigated the anatomic site prevalence of melanocytic naevi categorized using dermoscopy. Objectives To identify the prevalence of dermoscopic patterns and structures of naevi from the back and legs of adolescents. Methods Dermoscopic images of melanocytic naevi were obtained from the back and legs of students from a population-based cohort in Framingham, Massachusetts. Naevi were classified into reticular, globular, homogenous, or complex dermoscopic patterns. Multinomial logistic regression modeling assessed the associations between dermoscopic pattern and anatomic location. Results A total of 509 participants (mean age 14 years) contributed 2,320 back naevi and 637 leg naevi. Compared to homogeneous naevi, globular and complex naevi were more commonly observed on the back than the legs (OR=29.39, 95% CI 9.53-90.65, p<0.001 and OR=6.8, 95% CI 2.7-17.14, p<0.001, respectively), whereas reticular lesions were less likely to be observed on the back than the legs (OR=0.67, 95% CI 0.54-0.84, p=0.001). Naevi containing any globules were more prevalent on the back than the legs (25% v. 3.6%, p<0.001). Naevi containing any network were more prevalent on the legs than the back (56% v. 40.6%, p<0.001). Conclusions These findings add to a robust body of literature suggesting that dermoscopically defined globular and reticular naevi represent biologically distinct naevus subsets that differ in histopathologic growth pattern, age- and anatomic-site related prevalence, molecular phenotype, and aetiologic pathways.

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Dermoscopic Features of Melanocytic Nevi in Seven Different Anatomical Locations in Patients With Atypical Nevi Syndrome

Abstract: Dermoscopic differences were found in different body areas. This information should be considered in the evaluation of lesions in patients with atypical nevus syndrome.

Cited by 7 publications

References 35 publications

Dermoscopy of black skin: A cross-sectional study of clinical and dermoscopic features of melanocytic lesions in individuals with type V/VI skin compared to those with type I/II skin

Dermoscopy of black skin: A cross-sectional study of clinical and dermoscopic features of melanocytic lesions in individuals with type V/VI skin compared to those with type I/II skin

Neck Melanoma: Clinical, Dermoscopic and Confocal Features

Cross-sectional analysis of the dermoscopic patterns and structures of melanocytic naevi on the back and legs of adolescents

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