II. Epidemiology

  1. Human Papilloma Virus types 3, 10, 28, 41
  2. Most common in children and young adults

III. Signs

  1. Characteristics
    1. Smooth, slightly raised, 1-3 mm lesions
    2. Flat surfaced, pale, erythematous
    3. Multiple discrete lesions
  2. Locations
    1. Forehead
    2. Cheeks
    3. Perioral
    4. Dorsum of hands and arms

IV. Differential Diagnosis

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Ontology: Verruca plana (C0276262)

Concepts Acquired Abnormality (T020)
ICD10 B07.8
SnomedCT 123156006, 81652008, 186690002, 240539000
English Plain wart, Verruca plana, flat warts, flat warts (diagnosis), Flat warts, Planar warts, plane warts, flat wart, planar warts, Wart(s);plane, warts flat, planar wart, wart flat, Verruca plana (disorder), Flat wart, Plane wart (disorder), Plane wart, Verruca plana -RETIRED-, plane wart, verruca plana
Dutch platte wratten, verruca plana
French Verrues plantaires, Verrues planes
German Warzen an den Fusssohlen, plane Warzen
Italian Verruche piatte, Verruche piane
Portuguese Verrugas planas
Spanish Verrugas planas, verruga chata, verruga plana (concepto no activo), verruga plana (trastorno), verruga plana
Japanese 足底疣贅, 扁平疣贅, ヘンペイユウゼイ, ソクテイユウゼイ
Czech Ploché bradavice
Hungarian Planaris szemölcsök, Lapos szemölcsök