viêm quầng

Bệnh nhân có triệu chứng viêm quầng ở cẳng chân.

Definition

1. Noun (Medical Term):
   • Erysipelas: A specific, acute bacterial infection of the upper layers of the skin (the dermis) and superficial lymphatic vessels. It is characterized by a sharply demarcated, raised, bright red, warm, and painful rash.

Usage Examples

• Noun:
  • Bệnh nhân được chẩn đoán mắc viêm quầng ở chân. (The patient was diagnosed with erysipelas on the leg.)
  • Viêm quầng thường do vi khuẩn liên cầu gây ra. (Erysipelas is usually caused by streptococcus bacteria.)

Advanced Usage

• The term is almost exclusively used in a medical or clinical context. It is a precise diagnosis and is not used in general, everyday language.

Variants and Related Words

• Viêm (v/n): inflammation; to be inflamed.
• Quầng (n): a halo, ring, or circle (often used for dark circles under eyes: ). In "viêm quầng," it refers to the raised, spreading border of the infection.

Synonyms

• St. Anthony's fire: An older, non-medical term for erysipelas.
• Cellulitis: A related but broader term for a deeper skin infection; erysipelas is a specific type of cellulitis.

Notes on Usage

• "Viêm quầng" is a fixed medical term. The words "viêm" and "quầng" are not typically combined in other contexts to mean this condition.
• It is important not to confuse it with "viêm da" (dermatitis), which is a more general term for skin inflammation.