hemangioma

Thân thiện

A small child has a red hemangioma on her arm.

Definition

Noun: A hemangioma is a benign (non-cancerous) tumor or growth composed of a mass of blood vessels. It is a type of vascular birthmark that often appears on the skin at birth or shortly after.

Usage

The word "hemangioma" is a medical term used specifically to describe this common type of vascular anomaly. It is typically used in clinical, dermatological, and pediatric contexts.

Examples

• The pediatrician assured the parents that the red mark on the baby's cheek was a harmless hemangioma.
• Most infantile hemangiomas grow during the first year of life and then gradually shrink and fade.
• Surgical removal is rarely necessary for a simple hemangioma.

Advanced Usage

• "Strawberry hemangioma": A common informal term for a raised, bright red hemangioma on the skin, due to its appearance.
  • The infant was diagnosed with a strawberry hemangioma on her arm.
• "Cavernous hemangioma": Refers to a hemangioma that involves larger, deeper blood vessels.
  • An MRI revealed a cavernous hemangioma in the liver.

Variants and Related Words

• Angioma (noun): A general term for a benign tumor made up of blood vessels or lymph vessels. A hemangioma is a specific type of angioma.
• Hemangiomatosis (noun): A condition characterized by the presence of multiple hemangiomas.

Synonyms

• Vascular birthmark
• Benign vascular tumor

Note: While "birthmark" is a broader term, it is often used synonymously in non-medical contexts when referring to a hemangioma present from infancy.

Học thuật

Noun

1. benign angioma consisting of a mass of blood vessels; some appear as birthmarks

Từ đồng nghĩa

• haemangioma