Localized granuloma annulare

Localized granuloma annulare is a type of granuloma annulare, a chronic skin condition characterized by small, raised bumps that form a ring with a normal or sunken center. The localized form of granuloma annulare is the most common variant and typically affects children and young adults.

Causes

The exact cause of localized granuloma annulare is unknown. However, some researchers believe it may be associated with certain triggers such as sun exposure, insect bites, tuberculin skin tests, and vaccinations. It is not contagious and does not spread from person to person.

Symptoms

Localized granuloma annulare typically presents as skin-colored or slightly red bumps that form a circular or semicircular pattern. The bumps are usually found on the hands, feet, wrists, and ankles. They are generally asymptomatic, but some people may experience mild itching.

Diagnosis

The diagnosis of localized granuloma annulare is usually made 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 localized granuloma annulare is not always necessary, as the condition often resolves on its own without treatment. However, if the lesions are bothersome or cosmetically unacceptable, treatment options may include topical corticosteroids, cryotherapy, and light therapy.

Prognosis

The prognosis for localized granuloma annulare is generally good. Most cases resolve spontaneously within two years, although the condition can recur.

See also

• Generalized granuloma annulare
• Subcutaneous granuloma annulare
• Perforating granuloma annulare

Localized granuloma annulare Resources
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