Epidermal nevi and basal cell carcinoma
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Epidermal nevi and basal cell carcinoma

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    Epidermal nevi and basal cell carcinoma Epidermal nevi and basal cell carcinoma Presentation Transcript

    • Collision tumor of B asal cell carcinoma with Epidermal nevi . F. Peral Rubio, M.D. Department of Dermatology Hospital Universitario Virgen Macarena Seville, Spain
    • Collision tumor of B asal cell carcinoma with Epidermal nevi
      • A 65-years-old women.
      • The patient was referred to us for the assessment of a congenital lesion on the back.
      • The patient has experienced changes 2 years previously.
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    •  
    • Collision tumor of B asal cell carcinoma with Epidermal nevi
      • These are two different lesions:
        • B asal cell carcinoma
        • Epidermal nevi
    • Collision tumor of B asal cell carcinoma with Epidermal nevi
      • The dermoscopic features of this pigmented basal cell carcinoma include:
      • Absence of pigment network
      • Linear and arborising (branch-like) telangiectasia
      • Leaf-like areas
      • Large blue-grey ovoid nests.
      • Multiple blue-grey globules.
    • Linear and arborising (branch-like) telangiectasia
    • Leaf-like areas
    • Large blue-grey ovoid nests
    • Multiple blue-grey globules.
    • Collision tumor of B asal cell carcinoma with Epidermal nevi
      • An epidermal nevi resembles a seborrhoeic keratosis or viral wart, with fissures, crypts and milia.
    • Collision tumor of B asal cell carcinoma with Epidermal nevi
      • The dermoscopic features of this epidermal nevi include:
        • Milia-like cysts
        • Irregular crypts
        • Fissures/ridges
    • Irregular crypts Fissures/ridges
    • Milia-like cysts
    • Collision tumor
    • Collision tumor of B asal cell carcinoma with Epidermal nevi . F. Peral Rubio, M.D. Department of Dermatology Hospital Universitario Virgen Macarena Seville, Spain