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(trizonal)
10 results
  • [Symmetrically enlarging pigmented lesion in an adolescent]. [Case Reports]
    Hautarzt 2011; 62(8):625-6Buhl T, Haenssle HA
  • A 16-year-old boy with multiple nevi presented with an enlarging pigmented lesion on his right chest. Previously excised nevi were all benign. Dermoscopy of the symmetrical lesion revealed a trizonal globular-homogeneous pattern. A peripheral rim of brown globules was followed by a zone with homogeneous pigmentation. The centre of the lesion showed black dots and globules. Histopathology confirme…
  • "Clark/dysplastic" nevi with florid fibroplasia associated with pseudomelanomatous features. [Journal Article]
    J Am Acad Dermatol 2011; 64(2):346-51Ko CJ, Bolognia JL, Glusac EJ
  • CONCLUSIONS: The follow-up period was short.The central location and laminated appearance of the fibrosis suggest that this may represent the extreme end of a spectrum of fibroplastic changes in "Clark/dysplastic" nevi. Adjacent features of "Clark/dysplastic" nevi and limitation of pseudomelanomatous features to the perifibrotic focus are important in accurately identifying these lesions. Although melanocytic nevi with exaggerated fibroplasia may show foci with melanoma-like features, they do not appear to exhibit aggressive clinical behavior.
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