Atopic Dermatitis: a Short Summary
- Actinic Keratosis (AK) in Japan:
- tend to be multiple
- 20% evolve into Squamous Cell Carcinoma (SCC)
- clinical types: macular, horn, papular, actinic cheilitis. All types can be pigmented: atypical keratinocytes containing melanin granules in the cytoplasm
- Aging of AK and histological caracteristics:
- early AKs:
- no parakeratosis
- atypical keratinocytes limited to the basal layer
- no budding
- developed AKs:
- thick parakeratosis
- budding in the papillary dermis
- together with this, histological features of solar damage are also present: solar elastosis
- early AKs:
Contributors
Dr Christophe Hsu – dermatologist. Geneva, Switzerland
Kimura T. Sundamaged Skin and Skin Cancer. Photodermatosis and Ethnicity in Asian Skin. 2014 (4) – 21st Regional Conference of Dermatology; Danang (Vietnam)
Related posts