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Some hematomas are visible under the surface of the skin (commonly called bruises) or possibly felt as masses or lumps. Lumps may be caused by the limitation of the blood to a sac, subcutaneous or intramuscular tissue space isolated by fascial planes. This is a key anatomical feature that helps prevent injuries from causing massive blood loss.
Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration. The bruise then remains visible until the blood is either absorbed by tissues or cleared by immune system action. Bruises which do not blanch under pressure can involve capillaries at the level of skin, subcutaneous tissue, muscle, or bone ...
Atherosclerosis is characterized by the build-up of plaque inside your blood vessels. It can lead to stenosis, which is a narrowing of your artery walls. ... arm, neck, or back. Cold sweats ...
The average mean age of affected patients is 60 years. [16] Thrombophlebitis can develop along the arm, back, or neck veins, the leg is by far the most common site. When it occurs in the leg, the great saphenous vein is usually involved, although other locations are possible. [18]
High estrogen states such as pregnancy, estrogen replacement therapy, or oral contraceptives are associated with an increased risk of thrombophlebitis. [ 1 ] [ 4 ] [ 6 ] Specific disorders associated with thrombophlebitis include superficial thrombophlebitis which affects veins near the skin surface, deep vein thrombosis which affects deeper ...
Variable vessel vasculitis (VVV) is a kind of vasculitis that may impact vessels of all sizes (small, medium, and large) and any type (arteries, veins, and capillaries), with no particular type of vessel being predominantly affected. [33] This category includes Behcet's disease (BD) and Cogan's syndrome (CS). [8]
A hickey, hickie, or sometimes referred to as a love bite in British English, is a bruise or bruise-like mark caused by biting or sucking the skin of a person, usually on their neck, arm, or earlobe. [ citation needed ] While biting may be part of giving a hickey, sucking is sufficient to burst small superficial blood vessels under the skin to ...
Cerebral contusion (Latin: contusio cerebri), a form of traumatic brain injury, is a bruise of the brain tissue. [2] Like bruises in other tissues, cerebral contusion can be associated with multiple microhemorrhages, small blood vessel leaks into brain tissue. Contusion occurs in 20–30% of severe head injuries. [3]