Collision tumor of  B asal cell carcinoma with Epidermal nevi . F. Peral Rubio, M.D. Department of Dermatology Hospital Un...
Collision tumor of  B asal cell carcinoma with Epidermal nevi <ul><li>A 65-years-old women. </li></ul><ul><li>The patient ...
 
 
Collision tumor of  B asal cell carcinoma with Epidermal nevi <ul><li>These are two different lesions: </li></ul><ul><ul><...
Collision tumor of  B asal cell carcinoma with Epidermal nevi <ul><li>The dermoscopic features of this pigmented basal cel...
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 <ul><li>An epidermal nevi resembles a seborrhoeic keratosis ...
Collision tumor of  B asal cell carcinoma with Epidermal nevi <ul><li>The dermoscopic features of this epidermal nevi incl...
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 Un...
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Epidermal nevi and basal cell carcinoma

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Epidermal nevi and basal cell carcinoma

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