haematoma

Thân thiện

A child has a small haematoma on their knee after a fall.

Definition

Noun: A localized collection of blood outside the blood vessels, typically clotted, causing a swelling or lump in the tissue. It is often the result of a break in a blood vessel wall due to injury.

Usage

A "haematoma" is a medical term for a common type of bruise or internal bleeding where blood pools under the skin or within an organ. It is used to describe the condition itself. - The doctor diagnosed the large, painful bruise on his leg as a haematoma. - A subdural haematoma is a serious condition where blood collects between the brain and its outer covering.

Advanced Usage

• Specific Types: The term is often modified to specify the location.
  • A cephalhaematoma is a haematoma on a newborn's head.
  • He required surgery for an intracerebral haematoma.

Variants and Related Words

• Hematoma: The American English spelling of the word.
• Haematoma vs. Ecchymosis: While both involve bleeding under the skin, an ecchymosis is a smaller, flat, purple-blue bruise, whereas a haematoma is a larger, often raised, localized collection of blood.

Synonyms

• Blood blister (for small, raised haematomas)
• Contusion (a more general term for a bruise, which can be a haematoma)

Different Meanings

The word "haematoma" has a single, specific medical meaning related to accumulated blood. It does not have common idiomatic or non-literal uses.

Học thuật

Noun

1. a localized swelling filled with blood

Từ đồng nghĩa

• hematoma