Background: The theoretical knowledge and practical skills of the Basic Life Support (BLS) and the Advanced Life Support (ALS) are among the most important determining factors of the cardiopulmonary reanimation success rates.

Lichen planus is an uncommon disease in children, and only 2 to 3% of affected patients are under twenty years of age. This dermatosis may appear in several clinical forms, which vary according to the morphology and distribution of lesions. In less than 0.2% of all lichen planus cases, the lesions are distributed along the lines of Blaschko, and is a variant called linear lichen planus. This is a case report of a patient aged two years and eight months, who presented keratotic violaceous papules, affecting the abdomen, buttocks and right thigh, distributed along the lines of Blaschko. Histopathological examination confirmed a diagnosis of linear lichen planus.

Background: In Brazil, resolution 196/96 and its amendments regulate the preservation of rights, respect and dignity of human beings involved in research.