aphtha or aphthous ulcer

  • Aphtha is painful mucosal ulceration of the oral mucosa, more rarely also of the genital mucosa, which has a whitish fibrin coating and is surrounded by an inflamed, reddened rim.
  • Types:
    • Minor aphthae tend to be small (less than 1 cm in diameter) and shallow.
    • Major aphthae are larger and involve deeper ulceration.
  • Herpetiform aphthae frequently are more numerous and vesicular in morphology

Karthika S

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