 [ Symptoms ] bruise that never goes away and is warm to touch what is it  i have what looks like a bruise on my leg light purplish however it is not a bruise it is not sore to touch and has been on my leg for several years i recently noticed that this dark mark on my leg is significantly warm when you touch it what could it be and should i be concerned [ Disease ] in general i would say you should ask your doctor about this the next time you have an appointment sometimes a lingering bruise can signal a health problem but that is relatively unusual   and it is usually not a single bruise but multiple bruises over time and you have been living with this mark for years there are a number of reasons why this particular spot could be warm to the touch perhaps it is a knot of blood vessels very near the surface of the skin that would likely be a bit warm one thing it is probably not is a deep vein thrombosis dvt you can not see these they are located below layers of muscle in the calf though a classic symptom of dvt is a hot flushed appearance on the skin your description does not match this scenario at all whenever you are in doubt about something do not hesitate to ask your doctor wishing you well