Tag: skin lesions
Cutaneous T-Cell Lymphomas
Cutaneous T-Cell Lymphomas Definition and Description of Cutaneous T-Cell Lymphomas Cutaneous T-Cell Lymphomas (CTCL) are a group of rare non-Hodgkin lymphomas that primarily affect the skin. These cancers originate from T-lymphocytes, a type of white blood cell critical for the immune response. CTCL often manifests with skin rashes, lesions, and other dermatological symptoms. The disease…
CHILD Naevus
CHILD Naevus Definition and Description of CHILD Naevus CHILD Naevus is a rare congenital skin condition characterized by the presence of large, pigmented nevi or moles on the skin. The term “CHILD” stands for Congenital Hemidysplasia with Ichthyosiform Naevus and Limb Defects. It involves an abnormal growth of skin cells and can also affect other…
Brazilian Pemphigus Foliaceus
Brazilian Pemphigus Foliaceus Definition and Description of Brazilian Pemphigus Foliaceus Brazilian Pemphigus Foliaceus (BPF) is a chronic autoimmune skin disorder characterized by the presence of blisters and erosions on the skin. It primarily affects the epidermis, leading to superficial lesions due to the loss of adhesion between skin cells. The condition is notably endemic in…
Bowen’s Disease
Bowen’s Disease Definition and Description of Bowen’s Disease Bowen’s Disease, also known as squamous cell carcinoma in situ, is a localized skin condition characterized by the presence of abnormal squamous cells in the outer layer of the skin (epidermis). This precancerous skin disease manifests as persistent, scaly patches that can be red or brown, and…
Birthmarks
Birthmarks Definition and Description of Birthmarks Birthmarks are pigmented or vascular lesions that appear on the skin at birth or shortly thereafter. Medically, they are classified into two main types: pigmented and vascular. Pigmented birthmarks, such as moles, are formed when there is an excess of melanocytes (pigment-producing cells) in one area of the skin.…
Basal Cell Carcinoma
Basal Cell Carcinoma Definition and Description of Basal Cell Carcinoma Basal Cell Carcinoma (BCC) is a type of skin cancer that arises from the basal cells, which are located in the lower part of the epidermis, the outer layer of the skin. It is the most common form of skin cancer, accounting for approximately 80%…