What Are the Causes of Unexplained Bruising on the Legs?
Generally speaking, bruising is not a big problem, but bruising often occurs on the body, which indicates that the body's hemostatic mechanism may be impaired. Generally divided into these categories in clinical.
First, the vascular structure and function are abnormal
Heredity
Such as hereditary hemorrhagic telangiectasia, vascular hemophilia and so on.
Secondary
Caused by infections, chemicals, drugs, metabolic disorders (including vitamin C, vitamin P deficiency, etc.), vascular disease, rheumatism, etc.
3. Immunity
Such as allergic purpura.
4. Other
Such as simple, mechanical and senile purpura.
Platelet abnormalities
Decrease in platelet count
: a primary; such as primary thrombocytopenic purpura
b secondary: leukemia, aplastic anemia, hypersplenism, drugs, infections, disseminated intravascular coagulation, etc .;
2. Platelet dysfunction:
a hereditary: platelet weakness, etc.
b Secondary: drugs, liver damage, uremia, infection, etc.
Third, coagulation abnormalities (abnormalities of coagulation factors)
1.heritability: hemophilia, etc .;
2.Secondary: Vitamin K deficiency, severe liver disease, etc.
Fourth, increased anticoagulant substances in the blood
Specifically, it is necessary to clarify what factors need to be combined with medical history, physical examination, and related laboratory examinations. It is recommended that you go to the general hospital's hematology department for an examination.
Screening tests such as platelet count, vascular fragility test, activated partial thromboplastin time (APTT), prothrombin time (PT), and thrombin time (TT) can be performed first.
Combine the medical history and physical examination to determine the overall direction, and then conduct a confirmatory test to confirm the diagnosis based on the initial screening.
Solutions to bruising on the legs
Bruising or bruising is common, especially in children and the elderly. Bruising is bruising caused by damage to subcutaneous blood vessels or capillaries. Colliding objects can sometimes cause bruising, with thighs and calves more common.
Because these parts are easy to contact with objects. The leg is also easily injured by things like doors, cabinets and chairs, as well as activities that you don't pay much attention to everyday.
Violet on the calf, thigh, or even arm is often not a cause for warning. This condition is common in young children because they are not well-coordinated, but they like activities.