Dermoscopy of facial nonpigmented actinic keratosis

I. Zalaudek, J. Giacomel, G. Argenziano, R. Hofmann-Wellenhof, T. Micantonio, A. Di Stefani, M. Oliviero, H. Rabinovitz, H. P. Soyer, K. Peris

Research output: Contribution to journalArticle

Abstract

Background: The accuracy of clinical diagnosis of nonpigmented, facial actinic keratosis (AK) is often suboptimal, even for experienced clinicians. Objectives: To investigate the dermoscopic features of nonpigmented AK located on the head/neck that may assist the clinical diagnosis. Methods: Forty-one nonpigmented AKs on facial sites were examined by dermoscopy for any consistent underlying features. Lesions were gathered from skin cancer centres in Australia, Austria, Italy and the U.S.A. All cases were diagnosed histopathologically. Results: Four essential dermoscopic features were observed in facial AK: (i) erythema, revealing a marked pink-to-red 'pseudonetwork' surrounding the hair follicles (95%); (ii) white-to-yellow surface scale (85%); (iii) fine, linear-wavy vessels surrounding the hair follicles (81%); and (vi) hair follicle openings filled with yellowish keratotic plugs (66%) and/or surrounded by a white halo (100%). These features combined, in 95% of cases, to produce a peculiar 'strawberry' appearance. Conclusions: A dermoscopic model of 'strawberry' pattern is presented, which may prove helpful in the in vivo diagnosis of nonpigmented, facial AK. A limitation of this study is the lack of testing of the specificity of the described dermoscopic criteria in differentiating nonpigmented AKs from other nonpigmented skin lesions at this site.

Original languageEnglish
Pages (from-to)951-956
Number of pages6
JournalBritish Journal of Dermatology
Volume155
Issue number5
DOIs
Publication statusPublished - Nov 2006

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Dermoscopy
Actinic Keratosis
Hair Follicle
Fragaria
Austria
Skin Neoplasms
Erythema
Italy
Neck
Head
Skin

Keywords

  • Actinic keratosis
  • Dermoscopy
  • Diagnosis
  • Skin cancer

ASJC Scopus subject areas

  • Dermatology

Cite this

Zalaudek, I., Giacomel, J., Argenziano, G., Hofmann-Wellenhof, R., Micantonio, T., Di Stefani, A., ... Peris, K. (2006). Dermoscopy of facial nonpigmented actinic keratosis. British Journal of Dermatology, 155(5), 951-956. https://doi.org/10.1111/j.1365-2133.2006.07426.x

Dermoscopy of facial nonpigmented actinic keratosis. / Zalaudek, I.; Giacomel, J.; Argenziano, G.; Hofmann-Wellenhof, R.; Micantonio, T.; Di Stefani, A.; Oliviero, M.; Rabinovitz, H.; Soyer, H. P.; Peris, K.

In: British Journal of Dermatology, Vol. 155, No. 5, 11.2006, p. 951-956.

Research output: Contribution to journalArticle

Zalaudek, I, Giacomel, J, Argenziano, G, Hofmann-Wellenhof, R, Micantonio, T, Di Stefani, A, Oliviero, M, Rabinovitz, H, Soyer, HP & Peris, K 2006, 'Dermoscopy of facial nonpigmented actinic keratosis', British Journal of Dermatology, vol. 155, no. 5, pp. 951-956. https://doi.org/10.1111/j.1365-2133.2006.07426.x
Zalaudek I, Giacomel J, Argenziano G, Hofmann-Wellenhof R, Micantonio T, Di Stefani A et al. Dermoscopy of facial nonpigmented actinic keratosis. British Journal of Dermatology. 2006 Nov;155(5):951-956. https://doi.org/10.1111/j.1365-2133.2006.07426.x
Zalaudek, I. ; Giacomel, J. ; Argenziano, G. ; Hofmann-Wellenhof, R. ; Micantonio, T. ; Di Stefani, A. ; Oliviero, M. ; Rabinovitz, H. ; Soyer, H. P. ; Peris, K. / Dermoscopy of facial nonpigmented actinic keratosis. In: British Journal of Dermatology. 2006 ; Vol. 155, No. 5. pp. 951-956.
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abstract = "Background: The accuracy of clinical diagnosis of nonpigmented, facial actinic keratosis (AK) is often suboptimal, even for experienced clinicians. Objectives: To investigate the dermoscopic features of nonpigmented AK located on the head/neck that may assist the clinical diagnosis. Methods: Forty-one nonpigmented AKs on facial sites were examined by dermoscopy for any consistent underlying features. Lesions were gathered from skin cancer centres in Australia, Austria, Italy and the U.S.A. All cases were diagnosed histopathologically. Results: Four essential dermoscopic features were observed in facial AK: (i) erythema, revealing a marked pink-to-red 'pseudonetwork' surrounding the hair follicles (95{\%}); (ii) white-to-yellow surface scale (85{\%}); (iii) fine, linear-wavy vessels surrounding the hair follicles (81{\%}); and (vi) hair follicle openings filled with yellowish keratotic plugs (66{\%}) and/or surrounded by a white halo (100{\%}). These features combined, in 95{\%} of cases, to produce a peculiar 'strawberry' appearance. Conclusions: A dermoscopic model of 'strawberry' pattern is presented, which may prove helpful in the in vivo diagnosis of nonpigmented, facial AK. A limitation of this study is the lack of testing of the specificity of the described dermoscopic criteria in differentiating nonpigmented AKs from other nonpigmented skin lesions at this site.",
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