Bruising in stomach cancer occurs for a variety of different reasons including abnormal clotting, drugs and the disease itself.
It can occur anywhere on the body and is often found in areas where you wouldn't expect trauma to have occurred on your body.
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Abnormal clotting of your blood can occur from abnormalities in your bloods clotting cells or platelets or from lack of the clotting factors you require to make the clot occur.
The platelets can be low either because of poor production, which you see when the spreads occurs to the bones or because of consumption that you can get in a condition called DIC or disseminated intravascular coagulation.
Clotting factors require the vitamins A,D,E,K for production. Low levels can occur if your nutritional intake is poor and supplementing them may help.
If you have secondary tumors in your liver, it can interfere with the manufacture of your clotting factors directly.
Both these scenarios occur in the latter stages of the disease.
A lot of drugs can cause your platelet cells to fall in numbers. Chemotherapy agents are no exception to this and abnormal bruising can result.
Steroids are often used either as part of your chemotherapy or as an appetite stimulant.
It is common with these drugs as the capillaries are more fragile and your skin becomes thin.
I already mentioned that the malignancy itself can result in bruising from bone or liver involvement.
However, another condition that mimic bruises is acanthosis nigricans.
This is a pigment that is most commonly seen around your nipples or in your arm pits.
It can occur in non-cancerous conditions too such as the hormone conditions diabetes and hypothyroidism as well as in obesity.
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