OnExam
- Skin lesions appear after experiencing trauma
- Seen in various conditions including vitiligo, psoriasis, lichen planus (causes are secondary to scratching)
- Named after German dermatologist Koebner
References
- Bickley L, Hoekelman R. Bates’ Guide to Physical Examination and History Taking. Philadephia, Pa: Lippincott; 2009.