Granuloma annulare

Granuloma annulare

Granuloma annulare is a benign, non-infectious, and self-limiting skin disorder. It is characterized by the appearance of small, firm bumps (nodules) over the skin, often forming a circular or ring pattern. The exact cause of granuloma annulare is unknown, but it may be triggered by minor skin injuries and certain medications. It is more common in children and young adults and is slightly more prevalent in females.

Symptoms

The primary symptom of granuloma annulare is the appearance of small, firm, skin-colored or red bumps (nodules) over the skin. These nodules often form a circular or ring pattern, typically on the hands, feet, wrists, and ankles. However, they can appear on any part of the body. The nodules are usually asymptomatic, but some people may experience mild itching.

Causes

The exact cause of granuloma annulare is unknown. It is not caused by bacteria or viruses and is not contagious. Some researchers believe that it may be an autoimmune condition, where the body's immune system attacks its own tissues. It may also be triggered by minor skin injuries, insect bites, certain medications, and exposure to sunlight.

Diagnosis

Granuloma annulare is usually diagnosed based on the characteristic appearance of the skin lesions. In some cases, a skin biopsy may be performed to confirm the diagnosis and rule out other skin conditions.

Treatment

Treatment for granuloma annulare is not always necessary, as the condition often resolves on its own without treatment. However, if the nodules are causing discomfort or are cosmetically bothersome, treatment options may include topical corticosteroids, cryotherapy, laser therapy, or oral medications.

See also

• Dermatology
• Skin lesion
• Autoimmune disease
• Corticosteroids
• Cryotherapy
• Laser therapy

Granuloma annulare Resources
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