nevus flammeus
Học thuậtThân thiện
Definition
Noun: A type of congenital, non-cancerous skin marking characterized by a flat, irregular patch that varies in color from pink to dark purple. It is caused by a malformation of capillaries in the skin and is present from birth.
Usage
- nevus flammeus is a medical term. It is typically used in formal, clinical, or scientific contexts to describe a specific congenital condition.
- It functions as a countable noun (e.g., , ).
Examples
- The dermatologist diagnosed the reddish patch on the infant's neck as a nevus flammeus.
- Nevus flammeus is often located on the face or neck and may darken with age.
- Unlike some birthmarks, a nevus flammeus does not fade over time.
Advanced Usage
- The plural form is nevi flammei, following Latin grammatical rules.
- In medical documentation, it is often documented as part of a patient's history: "Patient presents with a congenital nevus flammeus on the left cheek."
Variants and Related Words
- Port-wine stain: This is the common, non-medical term for a nevus flammeus. It describes its characteristic deep red or purple color, resembling spilled port wine.
- Capillary malformation: A broader technical term describing the underlying vascular cause of a nevus flammeus.
- Birthmark: A general, non-specific term for any congenital skin mark, which can include nevus flammeus, café-au-lait spots, and moles.
Synonyms
- Port-wine stain
- Capillary hemangioma (in some specific, older classifications, though this term is now more precisely used for a different, raised vascular growth)
Different Meanings
- Nevus: By itself, "nevus" (plural: nevi) is a general term for a circumscribed, stable malformation of the skin, commonly called a mole. Nevus flammeus is a specific subtype of nevus involving blood vessels.
- The term nevus flammeus does not have other distinct, unrelated meanings outside of this specific medical context.
Noun
- a flat birthmark varying from pink to purple