Neoplastic Process
nevus comedonicus
Definitions related to nevus comedonicus:
  • A rare developmental skin condition consisting of abnormal pilosebaceous follicle development. It is characterized by linear or band-like distributions of groups of comedones, usually on the face, neck, upper arm, chest, and abdomen, that appear at birth or in childhood.
    NCI
    U.S. National Cancer Institute, 2021
  • A type of epidermal nevus characterized by closely arranged, dilated follicular openings with keratinous plugs resembling classical comedones.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • In 1895, Kofmann described the first case of nevus comedonicus. It manifests as groups of closely set, dilated follicular openings with dark keratin plugs resembling comedones.
    Medscape
    WebMD, 2025
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