Baby 6 month old, onset with fever and skin eruption for 3 months, starting in the legs and going to face and full body.
Itching, in beginning lesion is red skin papula and progressing to macular shape (see foto of face, body.) Dermatologist represented the lesion with crash and trap which is swelling as bullus (foto). Darier ‘s sign positive).
Blood tests are normal .
Ultrasound of this skin lesion detected intra dermal hypoechoic infiltration, hypovascular pattern ( US 1, US 2).