psoriasis

/psɔ'raiəsis/

Thân thiện

A person applies a soothing cream to a patch of psoriasis on their arm.

Definition

1. Noun:
   • A chronic skin disease: A long-lasting, non-contagious skin condition marked by the appearance of dry, red, inflamed patches of skin covered with silvery-white scales. It commonly affects areas like the scalp, elbows, knees, and the lower back.

Usage Examples

• Noun:
  • The dermatologist diagnosed the persistent rash as psoriasis.
  • Managing psoriasis often requires a combination of topical treatments and lifestyle changes.
  • Flare-ups of her psoriasis tend to worsen during periods of high stress.

Advanced Usage

• "Plaque psoriasis": The most common form of the disease, characterized by raised, red patches covered with a silvery white buildup of dead skin cells (scale).

  • Plaque psoriasis accounts for about 80-90% of all cases.

• "Psoriatic arthritis": A form of arthritis that affects some people who have psoriasis, causing joint pain, stiffness, and swelling.

  • He was treated for psoriasis for years before developing symptoms of psoriatic arthritis.

Variants and Related Words

• Psoriatic (adj): Relating to or affected by psoriasis.
  • The patient showed classic psoriatic plaques on the elbows.

Synonyms

• Skin disorder: A general term for any condition affecting the skin.
• Dermatosis: A broader term for any disease of the skin, especially one not involving inflammation.

Related Phrases

• "To have a flare-up of psoriasis": To experience a period when psoriasis symptoms become more active and severe.

  • After a stressful week, she had a bad flare-up of her psoriasis.

• "To be in remission": For the symptoms of psoriasis to lessen or disappear for a period of time.

  • With consistent treatment, his psoriasis has been in remission for several months.

Học thuật

Noun

1. a chronic skin disease characterized by dry red patches covered with scales; occurs especially on the scalp and ears and genitalia and the skin over bony prominences