Definition

1. Noun:
   • An injury to living tissue, especially one involving a cut or break in the skin: A lesion is a wound or an area of damaged tissue.
   • Any localized abnormal structural change in a bodily part: In medicine, a lesion refers to any area of tissue that has been damaged or is functioning abnormally due to disease or injury, not necessarily involving a break in the skin.

Examples of Usage

• Noun:
  • The doctor examined the skin lesion on her arm. (The doctor examined the area of damaged skin on her arm.)
  • The MRI scan revealed a small lesion in the brain. (The MRI scan showed a small area of abnormal tissue in the brain.)
  • A biopsy was performed to determine if the lesion was benign. (A tissue sample was taken to find out if the abnormal growth was non-cancerous.)

Advanced Usage

• "Primary lesion": The initial area of tissue damage or abnormality.
  • The primary lesion was a small papule on the skin.
• "Secondary lesion": A change that develops from a primary lesion, such as a crust or scar.
  • Scratching the rash can lead to secondary lesions like ulcers.

Variants and Related Words

• Lesional (adj): Pertaining to or characterized by lesions.
  • The patient showed lesional activity on the scan.
• -ectomy (suffix): A surgical removal procedure (often related to removing a lesion).
  • A lumpectomy is the surgical removal of a lesion from the breast.

Synonyms

• Injury: Harm or damage to the body.
• Wound: An injury, typically one involving a break in the skin.
• Sore: A raw or painful place on the body.
• Abnormality: An irregular or unusual feature in the body's structure.

Related Phrases (Phrasal Verbs)

(Note: "Lesion" is primarily a medical noun and is not commonly used to form phrasal verbs.)

Related Idioms

(Note: There are no common idioms that directly feature the word "lesion.")

Noun

1. an injury to living tissue (especially an injury involving a cut or break in the skin)
2. any localized abnormal structural change in a bodily part