Schamberg disease

Schamberg's Disease

Overview

Schamberg's Disease, also known as progressive pigmentary dermatosis of Schamberg, purpura pigmentosa progressiva (PPP), and Schamberg's purpura, is a chronic skin condition characterized by the discoloration of the skin due to capillary leakage of blood cells. This condition is found in people of all ages but is most commonly observed in males. It primarily affects the feet, legs, or thighs, either as isolated incidents or in recurring episodes that may lead to further spread. Named after Jay Frank Schamberg, who first described the disease in 1901, Schamberg's Disease is non-life-threatening and is considered a cosmetic concern. However, the sudden and extensive nature of the discoloration, along with its permanence, can lead to significant psychological distress for those affected. Some individuals may also experience itching associated with the skin lesions.

Causes

The exact cause of Schamberg's Disease remains unknown, but it is thought to involve the leakage of red blood cells from small blood vessels into the skin, leading to the characteristic pigmentation. Factors that may contribute to or exacerbate the condition include venous hypertension, capillary fragility, and possibly an immune response.

Symptoms

Symptoms of Schamberg's Disease include:

• Reddish-brown or orange patches on the skin, often with a cayenne pepper-like appearance due to small blood spots (petechiae)
• Possible itching or discomfort in the affected areas
• Slow progression and spread of the discoloration over time

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Example of skin affected by Schamberg's Disease.

Diagnosis

Diagnosis of Schamberg's Disease is primarily based on clinical observation of the skin's appearance. A dermatologist may perform additional tests, such as a skin biopsy, to rule out other conditions and confirm the diagnosis. Blood tests may also be conducted to assess overall health and exclude other causes of skin discoloration.

Treatment

There is no known cure for Schamberg's Disease, but treatment focuses on managing symptoms and preventing further progression. Options may include:

• Topical steroids to reduce inflammation and itching
• Compression therapy for individuals with venous insufficiency
• Laser therapy to improve skin appearance
• Antihistamines to manage itching

Psychological Impact

The sudden appearance and permanent nature of Schamberg's Disease can cause significant psychological concern and distress. Patients may benefit from psychological support or counseling to help cope with the cosmetic aspects of the condition.

See Also

• Capillaritis
• Pigmented purpuric dermatosis
• Dermatology

References

• American Academy of Dermatology (AAD)
• National Center for Biotechnology Information (NCBI)

External Links

• DermNet NZ - Capillaritis

Schamberg disease Resources
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