Dermatology Book

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Pustule

Aka: Pustule, Hemorrhagic Pustule, Necrotic Pustule
  1. See Also
    1. Palm and Sole Pustules
    2. Neonatal Pustules and Vessicles
  2. Pathophysiology
    1. Typically develop from Vesicles or bullae that fill with pus, or from Hair Follicles or Sweat Glands
      1. May also spontaneous form a non-follicular Pustule
  3. Description
    1. Raised, translucent superficial, circumscribed skin lesion
    2. Contains purulent exudate (white, orange, yellow, green)
    3. Follicular Pustules are conical with hair in center
      1. Non-follicular Pustules vary in shape
  4. Differential Diagnosis: Hemorrhagic Pustules (or Necrotic Pustules)
    1. Disseminated Gonococcal Infection (esp. Palm and Sole Pustules)
    2. Septic Shock (with Disseminated Intravascular Coagulation)
    3. Disseminated Nocardia
    4. Pyoderma Gangrenosum
    5. Smallpox
    6. Ecthyma gangrenosum
  5. Labs
    1. Gram Stain and culture of pustular discharge (exclude disseminated Gonorrhea)
  6. Examples
    1. Drug Eruption
    2. Acne Vulgaris
    3. Generalized Pustular Psoriasis syndrome
    4. Viral vessicular eruptions may develop into Pustules (e.g. varicella, Herpes Zoster virus, Herpes Simplex Virus)

pustule (C0241157)

Definition (SCTSPA) Vesícula llena de leucocitos
Definition (SNOMEDCT_US) A vesicle filled with leukocytes
Concepts Finding (T033)
SnomedCT 271760008, 47002008
English Skin Pustule(s), skin pustules, skin pustules (physical finding), pustules, pustules were seen, skin pustule, pimple, Pustule of skin, Skin pustule, Cutaneous pustule, Pustule, Pussey spot, Pustule (disorder), Pustule (morphologic abnormality), Pustule, NOS, pustule
Dutch pustula
French Pustule
German Pustel
Italian Pustola
Portuguese Pústula
Spanish Pústula, pústula (anomalía morfológica), pústula (trastorno), pústula
Japanese 膿疱, ﾉｳﾎｳ
Czech Pustula
Hungarian pustula
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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