Normally, skin cells take about a month to form and rise to the surface. In people with psoriasis, this process happens in ...

Hair fall, or hair loss, is a common dermatological problem that has several underlying causes. In some cases, it may be ...

Fact checked by Nick Blackmer Meet the Expert Marisa Garshick, MD, is a board-certified dermatologist and clinical assistant professor of dermatology, practicing at the Medical Dermatology and ...

Koebner phenomenon The most common risk for getting a tattoo if you have psoriasis is the Koebner phenomenon.

The House Oversight Committee is demanding the Navy reveal more information about a secret effort to learn more about a brain injury phenomenon among its most elite fighter pilots.

Immunoglobulin A vasculitis with Koebner phenomenon and renal involvement induced by antitumor necrosis factor α therapy in the treatment of rheumatoid arthritis Patryk Janda 1, Anna Sączek 2, ...

Auspitz sign vs. Koebner phenomenon The Auspitz sign may be confused with the Koebner phenomenon, but they’re not the same thing. The Koebner phenomenon happens when new lesions appear on skin ...

Injuries, insect bites, tattoos, and even sunburns can trigger new areas of psoriasis. We explain the Koebner phenomenon.

Koebner phenomenon was first described over 130 years ago and is still an important clue in the differential diagnosis of the skin diseases. Every year, the list of dermatoses in which Koebner ...

In the case reported below, an additional complication occurred in a patient with keratosis follicularis — that is, secondary viral infection. This patient presented the typical picture of ...

A wound can cause something called the Koebner phenomenon, which triggers new spots of vitiligo to develop where the wound is. The new patches may appear about 10–14 days after the tattoo.