Poradnik Dermatolożki - CM LUXMED


Asymmetrical skin lesions in children - lichen planus and APEC

Dear parents!

In this article I want to introduce you to two "ASYMATRIC ACCIDENTS" that suddenly appear on your children's skin and that often cause you concern, prompting a visit to the paediatric dermatology clinic.

These are lichen sclerosus and APEC. They resemble a rash, erythema, papular eruptions that appear suddenly and persist for a long time on the child's skin. In this article, I will try to introduce you to these rare but frightening conditions.  

Red welts in children

Lichenstriatus is a rare skin disorder of unknown aetiology occurring in children. It presents clinically as clustered, gently scaling papules that follow the Blaschko lines in a nodular fashion. These are lines of cell growth in the skin that are not visible under normal conditions. They become visible when certain skin diseases manifest themselves according to these "V", "S" shaped patterns. Lesions are usually located in the extremities.

Lichen striatum is a self-limiting condition that resolves spontaneously within 1-2 years.

Rash on one side of the body

APEC (asymmetric periflexual exanthem of childhood) is an asymmetric unilateral periflexual childhood rash on the lateral side of the chest. It is a self-limiting erythematous papular rash, which is often preceded by a mild upper respiratory tract infection or diarrhoea. Fever accompanies the disease in 40% of cases. Skin lesions appear on one side of the body, on the trunk and in the vicinity of larger flexural areas, i.e. the armpits and groin, and then spread outwards to adjacent parts of the trunk and upper and lower limbs. After 2-4 weeks the rash also appears on the other part of the body, but remains pronounced only on one.

The rash lasts a long time, sometimes up to 6-8 weeks. Infections are most common in late winter or early spring. Children aged 2 to 3 years are mainly affected, but there can also be cases in 8-month-olds or 10-year-olds. Treatment is unnecessary, sometimes symptomatic for pruritus.

Both diseases do not really require treatment, only patience. However, they are sometimes confused with allergic contact dermatitis or herpes, so they should always be consulted by a paediatric dermatology specialist.

lekarz Joanna Nowak