cold gangrene
Học thuậtThân thiện
Definition
- Noun:
- A type of gangrene: "cold gangrene" is a medical term referring to a specific form of gangrene. It develops when blood flow to a body part is blocked by an arterial obstruction. The affected tissue dies, but unlike other types of gangrene, it remains dry, does not become infected with bacteria, and turns a dark brown or black color.
Usage Examples
- Noun:
- The patient was diagnosed with cold gangrene in his foot due to severe peripheral artery disease.
- Without surgical intervention, the frostbite progressed to cold gangrene.
Advanced Usage
- Clinical Context: The term is used specifically in medical pathology to describe dry, non-infected tissue death resulting from ischemia (lack of blood supply). It is often contrasted with "wet gangrene," which involves bacterial infection and is moist.
- The dry, mummified appearance is characteristic of cold gangrene.
Variants and Related Words
- Dry gangrene (n): A synonym for "cold gangrene," emphasizing the lack of moisture or pus.
- Dry gangrene is another name for this condition.
- Gangrene (n): The general term for the death of body tissue due to a lack of blood flow or a serious bacterial infection.
- Gangrene is a serious condition that requires immediate treatment.
- Ischemic gangrene (n): A related term highlighting the cause (ischemia, or inadequate blood supply).
- Ischemic gangrene often occurs in the extremities.
Synonyms
- Dry gangrene: Emphasizes the dry nature of the necrotic tissue.
- Mummification necrosis: A descriptive pathological term for the same process.
Related Phrases
- To develop cold gangrene: The process of acquiring this condition.
- Patients with untreated diabetes are at risk of developing cold gangrene.
Noun
- (pathology) gangrene that develops in the presence of arterial obstruction and is characterized by dryness of the dead tissue and a dark brown color