Lichen striatus
Lichen striatus
Lichen striatus (pronounced: /ˈlaɪkən straɪˈeɪtəs/) is a rare, self-limiting skin condition that typically affects children.
Etymology
The term 'lichen striatus' originates from the Latin words 'lichen', meaning 'tree moss', and 'striatus', meaning 'striped'. This is in reference to the characteristic linear arrangement of the skin lesions.
Definition
Lichen striatus is a benign inflammatory skin disease. It is characterized by the sudden onset of erythematous, scaly papules that follow the lines of Blaschko. The condition is most common in children aged 5-15 years, but can occur at any age.
Symptoms
The primary symptom of lichen striatus is the appearance of small, firm bumps (papules) on the skin. These papules are typically pink or skin-colored and are arranged in a linear pattern. The condition is usually asymptomatic, but some patients may experience mild itching.
Causes
The exact cause of lichen striatus is unknown. However, it is believed to be an autoimmune response triggered by various factors such as viral infections, vaccinations, or trauma to the skin.
Diagnosis
Diagnosis of lichen striatus is primarily based on the characteristic clinical presentation. In some cases, a skin biopsy may be performed to confirm the diagnosis and rule out other conditions.
Treatment
Treatment is not usually necessary as the condition often resolves on its own within a year. However, topical corticosteroids or emollients may be used to alleviate any associated itching.
Related Terms
External links
- Medical encyclopedia article on Lichen striatus
- Wikipedia's article - Lichen striatus
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