II. Pathophysiology: Stages

  1. Stage 1: Inflammation occurs for up to first 10 days
  2. Stage 2: Proliferation occurs over next 14 days
  3. Stage 3: Maturation and remodeling may continue for years

III. Signs

  1. Isolated to site of Skin Injury
    1. Contrast with Keloid which extends beyond the scar
  2. Distribution
    1. Can occur anywhere, but have a predilection for extensor surfaces
  3. Timing
    1. Onset within 1 month of wound and regress and flatten with time

IV. Course

  1. Regress over time

V. Management

  1. See Keloid

VI. Prevention

  1. See Keloid

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Ontology: Cicatrix, Hypertrophic (C0162810)

Definition (NCI) A permanent mark on the skin caused by deposits of excessive amounts of collagen during wound healing. It is elevated and does not extend beyond the original boundaries of the wound; the elevation may stabilize or regress spontaneously.(NICHD)
Definition (MSH) An elevated scar, resembling a KELOID, but which does not spread into surrounding tissues. It is formed by enlargement and overgrowth of cicatricial tissue and regresses spontaneously.
Concepts Acquired Abnormality (T020)
MSH D017439
ICD10 L91.0
SnomedCT 19843006, 201309001, 267821008
English Scars, Hypertrophic, Cicatrix, Hypertrophic, Cicatrices, Hypertrophic, Hypertrophic Cicatrices, Hypertrophic Cicatrix, Hypertrophic Scars, Scar, Hypertrophic, Hypertrophic scar of skin, hypertrophic scar, hypertrophic scar (diagnosis), Hypertrophic scarring, Cicatrix, Hypertrophic [Disease/Finding], hypertrophic scars, hypertrophic scarring, Hypertrophic cicatrix, Hypertrophic cicatrix (disorder), Hypertrophic: [cicatrix] or [scar] (disorder), Hypertrophic: [cicatrix] or [scar], Hypertrophic scars, Hypertrophic scar, Hypertrophic scar (disorder), hypertrophic; cicatrix, hypertrophic; scar, hypertrophy; scar, scar; hypertrophic, scar; hypertrophy, Hypertrophic Scar
Swedish Ärr, hypertrofiskt
Japanese ヒコウセイハンコン, 過形成性瘢痕, 瘢痕-肥厚性, 肥厚性瘢痕, 瘢痕-過形成性
Czech jizva hypertrofická, Hypertrofická jizva
Finnish Hypertrofinen arpi
Italian Cicatrici ipertrofiche, Cicatrice ipertrofica
Latvian Hipertrofiskā rēta, Rēta, hipertrofiskā
Polish Blizna przerostowa, Blizna przerosła
Spanish cicatriz hipertrófica de la piel, cicatriz hipertrófica, cicatriz hipertrófica (trastorno), cicatriz hipertrófica de la piel (trastorno), Cicatriz hipertrófica, Cicatriz Hipertrófica, Escaras Hipertróficas
Hungarian Hypertrophiás heg
Norwegian Hypertrofiskt arr, Arr, hypertrofiske
Dutch hypertrofie; litteken, hypertrofisch; litteken, litteken; hypertrofie, litteken; hypertrofisch, hypertrofisch lidteken, Hypertrofisch litteken, Litteken, hypertrofisch
Portuguese Cicatriz hipertrofica, Cicatriz Hipertrófica, Escaras Hipertróficas
German hypertrophische Narbe, Narbe, hypertrophe, Narben, hypertrophische
French Cicatrice hypertrophique