Permanent Bruises: Can Hemosiderin Staining Be Dangerous?
Everyone bruises, but while some might attempt to conceal a blemish for a few days or even a week, what happens when a bruise simply never goes away?
Hemosiderin staining is a permanent, or semi permanent, bruise-like mark that can range dramatically in size, shape and location on the body. “It typically occurs around superficial veins (close to the surface of the skin),” says Dr. Aaron Shiloh of Shiloh Vein and Aesthetics, located just outside of Philadelphia, PA. “Staining is represented by a brownish discoloration either in the vein or around it.”
Read on to find out more about the causes, treatments, and risks associated with permanent bruising.
What Is Hemosiderin?
Hemosiderin is an iron-rich protein that occurs in the body naturally. It’s made up of approximately 35 per cent iron and stored in a form that the body cannot easily consume.
Hemosiderin is created by a process that starts in our blood. Hemoglobin, a protein in red blood cells, carries oxygen throughout the body. When blood moves into tissue as a result of injury, hemoglobin decays and creates hematin.
This hematin needs to be removed, and our bodies have cells called phagocytes to manage this process. Phagocytes are a grouping of white blood cells that ingest harmful substances in the body. When phagocytes ingest hematin, they produce what is called “hemosiderin.”
Bruises are caused when an impact damages blood vessels and allows blood to seep into surrounding tissues. Hemosiderin staining, not surprisingly, resembles bruising, as it’s one of the various substances responsible for the coloring of most bruises.
What Causes Hemosiderin Staining?
Hemosiderin staining can essentially be regarded as a very severe form of bruising. Staining occurs in areas where significant amounts of bruising have occurred as a result of severe injuries, hemorrhages or, in certain cases, after a particularly intense surgery.
When damage occurs, the surrounding tissue is flooded with blood and a bruise forms. The more severe the trauma, the more blood that leaks into surrounding tissues, signifying a greater presence of hemosiderin. It is difficult for the body to access the iron in hemosiderin. This, combined with the fact that iron is responsible for the coloration of hemosiderin, results in prolonged staining that is visible on the surface of the skin.
Other than trauma, staining can be a by-product of serious life-threatening conditions such as high blood pressure and heart disease.
“When vein valves fail, regurgitated blood forces red blood cells out of capillaries,” explains Dr. Alex Roher of San Diego Botox in California. One of the more common occurrences of valves leaking is caused by Chronic Venous Insufficiency (CVI), a condition where malfunctioning leg valves make blood flow difficult in the area thus creating pools of blood, which in turn, results in hemosiderin staining.
Can Staining Be Treated?
The main issue with hemosiderin is that the iron present within it is difficult for the body to consume. Once the body is able to use this stored iron, in the same way that the body uses iron derived from food, the stain will fade.
In order to hasten the absorption of iron present in hemosiderin, some researchers suggest altering diets to reduce the total amount of iron in the body. Consuming less iron makes the body rely on its stored reserves. It is argued that forcing the body to more rapidly consume the iron in hemosiderin through this method will make the stains fade at a faster rate.
While there is no concrete evidence for the success of this method, the effects of iron deficiency are well documented. A deficiency of iron can result in a lack of energy, focus and the ability to fight off infections. Drastically altering a diet is not recommended without the approval of a recognized dietician.
Over time, certain hemosiderin stains will fade naturally as the body slowly uses up the stored iron. This hands-off process can take several months or even years to completely remove all traces of the stain. Generally, stains that last more than 12 months cause permanent marks as the skin has essentially been tattooed. In cases where veins continuously leak, stains are unlikely to fade naturally over time, as hemosiderin is constantly present and replenished.
Several options exist to speed up the healing process. The simplest, and most readily available, are topical creams applied to the stained area. These creams generally help to make the iron in hemosiderin more accessible to the body, therefore expediting its use.
While creams specifically designed to deal with hemosiderin staining can potentially alleviate the issue, skin bleaches are not recommended for this purpose because the iron pigment is too deep in the skin to be accessed by the bleaching process.
“At our clinic, we use a laser to treat hemosiderin staining,” says Roher. Laser treatment for hemosiderin staining is a relatively new technique. Following a process not entirely dissimilar to tattoo removal, professionals target the area with a laser capable of rendering the iron more consumable by the body. “Most patients find this treatment painless, and 1 to 2 visits are all that are normally required,” states Roher.
Over time, certain hemosiderin stains will fade naturally as the body slowly uses up the stored iron.
In cases where damage is more severe and veins continue to leak long after the initial injury occurs, treatment can be more difficult. Staining is unlikely to vanish naturally, and typical treatments, which target the stain itself, will not be effective in the long-term.
“Treatments for the underlying leaking veins can help,” says Shiloh. “These range from simple injections in the veins, to ablation of the deeper veins.” Ablation is a technique whereby radio frequencies or lasers are used to cauterize leaking veins, like those present in CVI.
“Cosmetic sclerotherapy is a treatment where the vein is directly injected with an agent like asclera or sotradecol. The vein then gets occluded and over time the body reabsorbs it,” explains Shiloh. “The results should be permanent as long as the deeper leaking veins are also addressed.”
Can Hemosiderin Staining Be Dangerous?
Hemosiderin staining is not only a cosmetic issue. The underlying leaking valves like those found in CVI can result in more serious complications. “If left as is, people can develop bad ulcers that are hard to treat,” cautions Shiloh. This can also lead to chronic pain, as well as stiffness in the leg joint.
Internally, hemosiderin staining of the liver can be a sign of haemochromatosis, or an iron surplus in the body. Haemochromatosis is caused by genetic factors or by receiving multiple blood transfusions. It can lead to a bronze discoloration of the skin, as well as to cirrhosis of the liver, diabetes and arthritis, among other issues.
This staining can also occur in the brain after head trauma. A study published by the American Society for Experimental Neurotherapeutics suggests that patients with issues such as Alzheimer’s disease, Parkinson’s disease and multiple sclerosis often have areas of the brain with increased iron deposits like hemosiderin stains.
That being said, research into the effects of iron-rich areas of the brain is relatively new, and conclusions have yet to be definitively drawn.
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