lichen striatus

Etiology

• idiopathic

Epidemiology

• rare
• predominantly affects children

Pathology

• benign dermatosis
• may also affect nails

Clinical manifestations

• sudden eruption of small papules on an extremity
• generally unilateral
• distribution according Blaschko's lines
• maximum involvement within several days to weeks
• generally asymptomatic
• pruritus most common symptom
• may resolve with residual hypopigmentation or hyperpigmentation

More general terms

• skin disease (dermatologic disorder, dermatopathy, dermatosis)