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Schamberg's Disease, (also known as "Progressive pigmentary dermatosis of Schamberg", "Purpura pigmentosa progressiva" (PPP), and "Schamberg's purpura" ) is a chronic discoloration of the skin found in people of all ages, usually affecting the legs. It slowly spreads throughout the body, and is most common in males. It is named after Jay Frank Schamberg, who described it in 1901. There is no known cure for this disease and it is not a life-threatening condition. The skin lesions may cause itching, which can be treated by applying cortisone cream. The cortisone cream will only help with the itching and the discoloration of the skin will remain, which may cause a cosmetic concern in the future. Schamberg's disease is usually asymptomatic meaning that it shows no signs of this condition, except for the discoloration of the skin. This condition is caused by leaky blood vessels, where red blood cells escape near the surface of skin and release its iron into the surrounding tissue. The cause of the the leaky capillaries is still yet to be determined.

Mechanism
Schamberg's disease is a skin disorder that causes a discoloration of the lower extremities. It manifests in the lower extremities and it gradually moves up towards anywhere on the body. This condition is caused by leaky blood vessels near the surface of the skin. The cause of the leaky capillaries is still unknown, but it is responsible for the discoloration of the skin. Since the blood vessels are weakened, red blood cells escape the blood vessels, where they end up near the surface of the skin. In one red blood cell, there are four heme groups and each heme group consists of one iron. Iron is responsible for helping red blood cells transfer oxygen from the lungs to the cells and carry carbon dioxide from the cells to the lungs. When red blood cells escape the blood vessels, red blood cells break apart, releasing hemoglobin. Iron is released from hemoglobin and is deposited into the skin. Since iron has no where to go and cannot be reabsorbed back into the blood, it will break apart. The iron complex hemosiderin is responsible for the discoloration of the skin, which creates patches of orange and brown pigmentation.

Symptoms
The lesions are most frequent on the lower limbs, but may occur anywhere on the body, including the hands, arms, torso and even the neck. They may vary in number and erupt in mass numbers. They consist of irregular patches of orange or brown pigmentation with characteristic "cayenne pepper" spots appearing within and at the edge of old lesions. There are usually no symptoms, although there may be some slight itching, but there is no pain. The eruption may persist for many years. The pattern of the eruption changes, with slow extension and often some clearing of the original lesions.

Schamberg's disease, or progressive pigmented purpuric dermatitis, is a chronic discoloration of the skin which usually affects the legs and often spreads slowly. This disease is more common in males and may occur at any age from childhood onward. This condition is observed worldwide and has nothing to do with race or ethnic background.

Diagnosis
Schamberg's disease can only be properly diagnosed by a healthcare provider. While reviewing medical history is important to diagnose this condition, it is essential that the purpuric lesions are physically examined. A skin biopsy will be taken to determine capillaritis of dermal vessels. Capillaritis or pigmented purpura is skin condition that has brown-reddish patches on the skin, which is caused by leaky capillaries. The skin biopsy is sent to a laboratory for a pathological examination, where the biopsy is observed under a microscope. In addition to the skin biopsy, dermatologists will perform a dermatoscopy. With the results from the biopsy and from the dermatoscopy, a doctor will be able to identify that the skin lesions are in fact due Schamberg's disease. To ensure that the skin lesions are not caused by other skin conditions or infections, doctors will order a complete blood count (CBC) and other blood tests. Blood tests are usually normal and they are only performed to rule out other bleeding disorders that cause purpura. Since Schamberg's disease is usually asymptomatic, there is not a lot of other tests that can be performed. This condition is easy to diagnose because the appearance of skin lesions on the skin is the first indicator that the lesions are due to Schamberg's disease.

Causes & Prevention
Schamberg's disease is caused by leaky blood vessels near the surface of the skin, capillaries, which allow red blood cells to slip through into the skin. The red blood cells in the skin then fall apart and release their iron, which is released from hemoglobin. The iron causes a rust color and this accounts for the orange tint of the rash that can be seen on the skin. The underlying cause of the leaky blood vessels is not known, but researchers are suggesting that there could be some potential triggers. Some possible triggers include viral infection, a hypersensitivity to some agent, and interaction of some medications, such as thiamine and aspirin. Even though there is no correlation with genetics, there have been a few cases where few people in a family had this condition.

Although the cause of capillary inflammation is unknown, certain preventive measures can be taken. Doctors may prescribe medications that enhance the circulation of blood, which can keep blood vessels strong and healthy. Daily intake of vitamin C has proven to be a natural home remedy that can prevent the onsite of any disease or infection. Doctors always recommend that their patients monitor what they eat because their diet could be a possible factor that contributes to this condition. A healthy body that receives nutritious meals is more likely to have a healthy life that does not revolve around a lot of health problems.

Treatment & Prognosis
There is no cure for Schamberg's disease; however, the itching can be controlled by a cortisone cream, and Colchicine treatment has been successfully used to prevent recurrence of the symptoms. This condition is not life-threatening or a major health concern. The only problem that patients will encounter is the itching and discoloration of the skin. It is recommended that patients take a vitamin C supplement to promote collagen production, which will help make the skin look and feel healthier. To prevent further irritation of the lesions, patients should avoid food with artificial colors and preservatives. Some people can be allergic to preservatives, which can cause the body to initiate an allergic reaction by further irritating those lesions. Several research studies have indicated that Schamberg's disease can be controlled and the number of lesions can be reduced with use a drug called aminaphtone. This drug helps improve capillary fragility and it prevents and controls the purpuric lesions.

A patient with Schamberg's disease can live a normal and healthy life. Since there is no proven cure for this condition, the patient will have to endure the lesions on his or her skin. With appropriate treatments, the condition may get better. Although the skin lesions are not life-threatening, it may cause a cosmetic concern for some individuals. Skin lesions may cause psychological discomfort, where patients may require reassurance to help with stress and anxiety. There are a few rare cases of T-cell lymphoma that has developed from Schamberg's disease. This is not a cause for concern, since the risk factors associated with Schamberg's disease are relatively low.

Recent Research
''Narrowband UVB therapy as an effective treatment for Schamberg's disease. ''

This research article proposed that narrowband UVB therapy can be considered as a treatment for pigmented purpura. A study was done on a 33 year old man who had a 3 month history of widespread pigmented purpura. Oral prescription of prednisolone and topical ointment helped controlled the purpuric eruptions, but when the medication was stopped, the rash recurred. Researchers placed the patient on a UV therapy for 5 months. The patient showed signs of improvement, where new purpuric eruptions stopped and some of the pigmented purpura disappeared. However, when the dose of the UV therapy was decreased, the patient showed signs of recurrence. Researchers want to monitor the patient for two years to see if the purpuric eruptions will stop and they believe that this patient will have promising results.

Successful treatment of generalized childhood Schamberg's disease with narrowband ultraviolet B therapy.

This research article demonstrated two cases where two children had purpuric rashes. The children were placed on UVB therapy and were monitored weekly for purpuric eruptions. One of the child received 10 treatments of UVB therapy, while the other child received 20 treatments. The child that received the 20 treatments did not show signs of purpuric eruptions and the skin lesions disappeared. However, the child that received the 10 treatments, showed signs of recurrence. Most of the rash disappeared, but some it reappeared on the body. Researchers believe that the narrowband UVB therapy used on children has proven to remove and control the skin lesions.