Right lower quadrant abdominal ultrasound showing appendicitis in an adolescent

A 16-year-old male presented with RLQ abdominal pain, leukocytosis, and fever. Ultrasound of the right lower quadrants demonstrates a dilated appendix in sagittal (A) and transverse (B) planes with distension up to 11 mm in thickness, wall thickening >2 mm, surrounding echogenic fat (arrows), and adjacent fluid (*).