What causes lichen striatus?

The condition is triggered by an “immunologic reaction to an infection,” and that this results in a cascade of events including the methylation or demethylation of a portion of a “partially silenced genomic element.” Also, it has been reported that lichen striatus is triggered as a result of a viral infection of …

Is lichen striatus curable?

Because lichen striatus is a self-limited disorder and because the lesions spontaneously regress within 3-12 months, no treatment is needed. The patient and family should be reassured. However, emollients and topical steroids may be used to treat associated dryness and pruritus, if present.

Is lichen striatus an autoimmune disease?

Some scientists have suggested that lichen striatus is an autoimmune response to inflamed T cells. Environmental stimuli, such as infection or trauma, have also been implicated in its pathogenesis, as cases in unrelated individuals have been described.

Is lichen striatus hereditary?

The cause of lichen striatus is unknown. Possibly genetic factors or environmental triggers have a role to play in its development. The eruption affects the lines of Blaschko, which are thought to be embryonic in origin. Over 50% of cases occur in children aged between 5 and 15 years.

What kind of skin condition is Lichen striatus?

Lichen striatus is rare and benign skin condition that commonly affects young children. The cause of this skin condition is unknown and is characterized by the onset of pink papules in linear band. It is a self-limited skin disorder that primarily involves the arms and the legs but can also affect any part of the body.

How long does it take for lichen striatus to heal?

Lichen Striatus Treatment. Lichen striatus is a benign skin condition that is generally harmless and non-life threatening. Treatment is not necessary and the lesion usually resolves on its own. It takes about several months before the lesions disappear.

Which is a predisposing factor for lichen striatus?

Both the genetic factors and environmental stimuli are considered in the incidence of lichen striatus. A family history of asthma and atopic dermatitis are deemed as predisposing factors in lichen striatus.

When do nails get involved in lichen striatus?

The nails are seldom involved in lichen striatus but is usually the only area involved and without the lesions. The involvement of the nails may occur before or after the development of linear bands in extremities or may occur along the linear band rash.