II. Pathophysiology

  1. Yellow, green or dirty gray Sputum Color
  2. Color is related to Leukocyte released peroxidase
  3. Color alone does not distinguish Bacterial Infection

III. Causes: Small amounts of Purulent Sputum

IV. Causes: Large amounts of Purulent Sputum

  1. Lung Abscess (less Sputum than other causes below)
  2. Bronchiectasis (200-500 ml/day Sputum)
  3. Bronchopleural Fistula (Copious amounts of Sputum)

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Related Studies

Ontology: Purulent sputum (C0241235)

Concepts Sign or Symptom (T184)
SnomedCT 42192008
Italian Espettorato purulento
English Sputum Purulent, Expectoration of purulent sputum, Sputum purulent, Purulent sputum, Purulent sputum (finding)
Japanese 膿性痰, ノウセイタン
Czech Hnisavé sputum
Hungarian purulens köpet
Spanish esputo purulento (hallazgo), esputo purulento, expectoración de esputo purulento (hallazgo), expectoración de esputo purulento, Esputo purulento
Portuguese Expectoração purulenta
Dutch sputum purulent
French Crachat purulent
German Sputum eitrig