Tag: Mastocytosis

  • 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,…

  • Indolent Systemic Mastocytosis

    Indolent Systemic Mastocytosis Definition and Description of Indolent Systemic Mastocytosis Indolent Systemic Mastocytosis (ISM) is a form of mastocytosis characterized by an abnormal accumulation of mast cells in multiple organs, such as the bone marrow, skin, and gastrointestinal tract. Mast cells are a type of white blood cell that play a significant role in allergic…