A skin infection with formation of pus.
- ‘As the authors note, pyoderma and chronic ear disease have remained intractably high in children for decades.’
- ‘Excoriations and pyoderma also may be present.’
- ‘The patient had rheumatoid arthritis, a condition associated with pyoderma gangrenosum.’
- ‘It had been identified as flesh-eating pyoderma gangrenosum and she had been referred for confirmation of the diagnosis.’
- ‘Head lice are thought to be one of the commonest causes of pyoderma of the scalp in developed countries.’
1930s: from Greek puo- (from puon pus) + derma skin.