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J Eur Acad Dermatol Venereol ; 38(7): 1432-1438, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38483241

RESUMEN

BACKGROUND: The detection of cutaneous metastases (CMs) from various primary tumours represents a diagnostic challenge. OBJECTIVES: Our aim was to evaluate the general characteristics and dermatoscopic features of CMs from different primary tumours. METHODS: Retrospective, multicentre, descriptive, cross-sectional study of biopsy-proven CMs. RESULTS: We included 583 patients (247 females, median age: 64 years, 25%-75% percentiles: 54-74 years) with 632 CMs, of which 52.2% (n = 330) were local, and 26.7% (n = 169) were distant. The most common primary tumours were melanomas (n = 474) and breast cancer (n = 59). Most non-melanoma CMs were non-pigmented (n = 151, 95.6%). Of 169 distant metastases, 54 (32.0%) appeared on the head and neck region. On dermatoscopy, pigmented melanoma metastases were frequently structureless blue (63.6%, n = 201), while amelanotic metastases were typified by linear serpentine vessels and a white structureless pattern. No significant difference was found between amelanotic melanoma metastases and CMs of other primary tumours. CONCLUSIONS: The head and neck area is a common site for distant CMs. Our study confirms that most pigmented melanoma metastasis are structureless blue on dermatoscopy and may mimic blue nevi. Amelanotic metastases are typified by linear serpentine vessels and a white structureless pattern, regardless of the primary tumour.


Asunto(s)
Dermoscopía , Melanoma , Neoplasias Cutáneas , Humanos , Neoplasias Cutáneas/patología , Neoplasias Cutáneas/diagnóstico por imagen , Estudios Transversales , Persona de Mediana Edad , Femenino , Masculino , Estudios Retrospectivos , Anciano , Melanoma/patología , Melanoma/secundario , Melanoma/diagnóstico por imagen , Neoplasias de la Mama/patología , Neoplasias de la Mama/diagnóstico por imagen , Adulto , Neoplasias de Cabeza y Cuello/patología , Neoplasias de Cabeza y Cuello/diagnóstico por imagen , Neoplasias de Cabeza y Cuello/secundario
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