Dermatology Book

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CrustAka: Ecthyma

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  1. Definitions
    1. Ecthyma
      1. Exudate involves entire Epidermis
      2. Exudate thick and adherent
  2. Pathophysiology: Body fluid dries on skin
    1. Yellow: dried serum
    2. Green or yellow-green: dried purulent exudate
    3. Brown or dark red: dried blood
  3. Causes
    1. Impetigo
    2. Ecthyma

Ecthyma (C0013568)

Definition (MSH)An ulcerative pyoderma usually caused by group A beta-hemolytic streptococcal infection at the site of minor trauma. (Dorland, 27th ed)
ConceptsDisease or Syndrome (T047)
ICD9686.8
MSHD004473
EnglishEcthyma, Ecthymas
Spanishectima
Parent ConceptsPyoderma (C0034212), Streptococcal Infections (C0038395), Skin Diseases, Bacterial (C0162627), Acute dermatitis (C0262972), Acute infectious disease (C0275518), Infected ulcer of skin (C0406519), Streptococcal infection of skin (C1274355)
SourcesDXP, MSH, MTHICD9, NDFRT, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)


Scab (C0205204)

ConceptsAcquired Abnormality (T020)
EnglishCrust, Scab
Spanishcostra
Parent Conceptseffusion (C0013687)
SourcesMTH, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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