Definitions

1. Noun:
   • Vitiligo: A skin condition characterized by the loss of pigment (melanin) in patches on the skin and mucous membranes, resulting in white or light-colored areas.
   • Leukoderma: A medical term for localized loss of skin pigmentation.

Usage Examples

• Noun:
  • Bác sĩ chẩn đoán anh ấy bị lang trắng. (The doctor diagnosed him with vitiligo.)
  • Các mảng lang trắng trên da thường không gây ngứa hay đau. (The patches of vitiligo on the skin usually do not cause itching or pain.)
  • Cô ấy tự tin dù có lang trắng trên tay. (She is confident despite having vitiligo on her hand.)

Advanced Usage

• Medical Context: The term is used specifically in medical and dermatological contexts to describe the condition. It is not typically used in general, non-medical descriptions of skin color or appearance.
  • Nghiên cứu mới tìm ra phương pháp điều trị tiềm năng cho bệnh lang trắng. (New research has found a potential treatment method for vitiligo.)

Variants and Related Words

• Bạch biến: This is another, more formal Vietnamese term for the same medical condition (vitiligo). It is often used interchangeably with "lang trắng" but is more common in scientific or clinical settings.
• Lang ben: A different, common fungal skin infection (tinea versicolor) that causes discolored patches, which can be confused with "lang trắng" but is a separate condition.

Synonyms

• Vitiligo (English): The direct and most accurate medical equivalent.
• Leukoderma (English): A broader medical term for loss of skin pigmentation.

Related Phrases/Idioms

Note: "Lang trắng" is a specific medical term. There are no common idioms or phrasal verbs directly using this term in everyday Vietnamese language. It is used literally to describe the medical condition.