Tag: Urticaria pigmentosa

  • Lichen Urticatus

    Lichen Urticatus Definition and Description of Lichen Urticatus Lichen Urticatus, also known as Urticaria pigmentosa, is a skin condition categorized under mastocytosis, characterized by the presence of mast cells in the skin. This condition manifests as small, reddish-brown spots or lesions that can resemble hives. These lesions may become itchy, particularly when triggered by heat,…