Mineral oil mounts and potassium hydroxide scrapings can be helpful when scabies or dermatophytes are considered.
[web.archive.org]
Thus, the authors report the first case of Koebner phenomenon in ophthalmic literature, with a review of previously published postsurgical cases of Koebnerization in psoriasis
[ncbi.nlm.nih.gov]
These include seborrheic dermatitis, immunodeficiency, and psoriasis in infancy; scabies, tinea corporis infection, perioral, nummular, contact, and molluscum dermatitis in
[dx.doi.org]