Article (Scientific journals)
Nudging epidermal field cancerogenesis by imiquimod.
Uhoda, Isabelle; Quatresooz, Pascale; Pierard, Claudine et al.
2003In Dermatology, 206 (4), p. 357-60
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Keywords :
Administration, Topical; Aged; Aminoquinolines/therapeutic use; Antineoplastic Agents/therapeutic use; Biopsy; Bowen's Disease/drug therapy/pathology; Carcinoma, Basal Cell/drug therapy/pathology; Humans; Keratinocytes/drug effects; Middle Aged; Neoplasms, Multiple Primary/drug therapy/pathology; Skin/pathology; Skin Neoplasms/drug therapy/pathology; Treatment Outcome
Abstract :
[en] BACKGROUND: The coexistence of malignancies close to each other on the skin has been occasionally reported. The concept of field cancerogenesis applies to such cases. Given the purported mechanism of action of imiquimod, it should not be surprising that this treatment could inhibit epidermal field cancerogenesis. AIM: To assess the effect of imiquimod applied twice weekly on incipient bowenoid changes disclosed in the vicinity of basal cell carcinomas. MATERIALS AND METHOD: Biopsies were taken before treatment and after 4-6 weeks and 12 weeks of imiquimod treatment. RESULTS: Large atypical bowenoid keratinocytes and dyskeratotic cells were cleared in time while factor-XIIIa-positive dermal dendrocytes appeared boosted and admixed with a brisk lymphocytic infiltration. CONCLUSION: Epidermal field cancerogenesis appears to be controlled by imiquimod. Dermal dendrocytes might play a pivotal role in this regression phenomenon.
Disciplines :
Dermatology
Author, co-author :
Uhoda, Isabelle;  Centre Hospitalier Régional de Huy > Dermatologie
Quatresooz, Pascale  ;  Centre Hospitalier Universitaire de Liège - CHU > Dermatopathologie
Pierard, Claudine ;  Centre Hospitalier Universitaire de Liège - CHU > Dermatopathologie
Pierard, Gérald ;  Centre Hospitalier Universitaire de Liège - CHU > Dermatopathologie
Language :
English
Title :
Nudging epidermal field cancerogenesis by imiquimod.
Publication date :
2003
Journal title :
Dermatology
ISSN :
1018-8665
eISSN :
1421-9832
Publisher :
S. Karger, Basel, Switzerland
Volume :
206
Issue :
4
Pages :
357-60
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 March 2009

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