Case Presentation A 14-year-old previously healthy adolescent male, from a single-parent household with a stable family background, presented with no medical history. He developed non-radiating abdominal pain and persistent vomiting, initially with food content and later with bilious characteristics. These symptoms progressively worsened, resulting in significant weight loss and multiple episodes of dehydration, leading to several emergency department (ED) visits.

On one occasion, hospitalization was required due to acute pre-renal kidney injury. Clinical Findings General Appearance: Cachectic adolescent (weight: 38.7 kg) Signs of moderate dehydration and generalized weakness Growth and Development: Clinical condition deteriorated over six months, coinciding with a marked growth spurt of approximately 10–12 cm within a year Gastrointestinal Symptoms: Persistent postprandial abdominal…