Case Presentation A 16-year-old girl, born in São Tomé and Príncipe and recently relocated to Portugal, presented at her family medicine center with a one-year history of asthenia and diffuse abdominal pain. She reported no changes in bowel movements, urinary or gynecological symptoms, nausea, or vomiting.

Medical history Insulinoma treated with pancreaticoduodenectomy in 2017 Iron deficiency anemia treated with iron supplementation from 2017 to 2018 No known psychiatric history According to the patient’s mother, she had sporadically ingested synthetic foam from mattresses since childhood, with a marked increase in this behavior over the past year Initial examination Height: 164 cm Weight: 52 kg BMI: 19.3 kg/m² Slight mucocutaneous pallor Abdominal examination: Normal Socioeconomic status: Low (Graffar index) Analytical study Hypochromic and microcytic anemia related to iron deficiency…