Occurs at the site of injury
Distension of blood vessels with blood in dermis
Margins merge with surrounding area.
Color depends on the time
Ans:B.)Distension of blood vessels with blood in dermis
The patient is suffering from Contusion(Bruise) over his back.
- Commonly known as a bruise, is a type of hematoma of tissue in which capillaries and sometimes venules are damaged by trauma, allowing blood to seep, hemorrhage, or extravasate into the surrounding interstitial tissues.
Difference between Hypostasis and Bruise
|Distension of blood vessels with blood in dermis||Due to ruptured vessels|
|Occurs on dependent parts||Occurs at the site of injury|
|No elevation of involved area||Involved area swollen|
|Clearly defined margins||Margins merge with surrounding area|
|Bluish purple in color||Color depends on the time|
|On incision blood is seen inside blood vessels which can be easily washed away||Extravasation of blood into the surrounding area which cannot be easily washed away|