Dermatology Book

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Pathergy

Aka: Pathergy, Pathergy Reaction, Pathergy Test
  1. Definition
    1. Pustule, Blister or ulceration in response to minor Skin Trauma
  2. Technique
    1. Pustule or ulceration forms within 24-48 hours in response to minor Skin Trauma (e.g. SQ injection)
    2. Minor induced skin injury
      1. Subcutaneous saline injection (small volume) or
      2. Skin prick with small gauge sterile needle
    3. Observe Skin Trauma site
      1. Positive if small red Pustule or Skin Ulcer (2 mm) forms within 24-48 hours of minor Skin Trauma
  3. Causes
    1. Pyoderma Gangrenosum
    2. Behcet's Disease

pathergy test (C3161802)

Concepts Laboratory Procedure (T059)
English pathergy test, pathergy test (lab test)
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Pathergy reaction (C3804968)

Concepts Sign or Symptom (T184)
English Pathergy reaction
Czech Kožní reakce u Behcetovy choroby
Dutch pathergische reactie
French Réaction pathergique
German Pathergiereaktion
Hungarian Pathergiás reakció
Italian Reazione patergica
Japanese ﾊﾟﾃﾙｷﾞｰﾊﾝﾉｳ, パテルギー反応
Spanish Reacción patérgica
Portuguese Reacção de patergia
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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