Image Based Question – 65896

A patient suffered from a type of injury as shown in the image.From the options given below for the features of type of this injury which differs from ‘Hypostasis’,all are true ,except:

A. Occurs at the site of injury

B. Distension of blood vessels with blood in dermis

C. Margins merge with surrounding area.

D. Color depends on the time

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Correct Answer » B Explanation

Ans:B. Distension of blood vessels with blood in dermis

The patient is suffering from Contusion(Bruise) over his back.

Contusion

• 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

Hypostasis	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