A female patient in middl...

A female patient in middle childhood sought evaluation at the pediatric dermatology clinic due to a recurring and consistent facial rash on the right side, which had been present since infancy. The patient's birth history included a traumatic vaginal delivery with failed vacuum extraction, leading to forceps-assisted delivery. She experienced complications, including a cephalohaematoma that resulted in prolonged jaundice, requiring neonatal intensive care and phototherapy. Additionally, the patient had dental issues, with hypomineralization of molar teeth, leading to two crowns and five fillings during early childhood. The mother was induced at 38 weeks, and the patient's birth weight was 3.6 kg, length 53 cm, and head circumference 35.5 cm. The fetal presentation before birth was unknown, and there was no history of broader musculoskeletal or orthopedic problems. Despite these complications, the patient's overall development was reported as normal. The patient exhibited a distinct erythematous rash on the right temple, extending down to the malar eminence and oral commissure, specifically triggered during the mastication of food. The rash occurred without associated symptoms such as urticaria, pain, itching, or excessive sweating. Interestingly, the rash spontaneously resolved within a few minutes after completing the meal.