title: A 14-year-old boy with a painful abdominal mass.
authors: Department of Pediatrics, Los Angeles County + University of Southern California Medical Center, Keck School of Medicine, Los Angeles, California.
authors: Ananta
authors: A
authors: Addala
authors: Department of Pediatrics, Los Angeles County + University of Southern California Medical Center, Keck School of Medicine, Los Angeles, California.
authors: Brittany N
authors: BN
authors: Middleton
authors: Department of Pediatrics, Los Angeles County + University of Southern California Medical Center, Keck School of Medicine, Los Angeles, California; Department of Medicine, Los Angeles County + University of Southern California Medical Center, Keck School of Medicine, Los Angeles, California.
authors: Cynthia H
authors: CH
authors: Ho
mesh_terms: D000293:Adolescent; D001064:Appendicitis / Q000175:diagnosis*; D006099:Granuloma / Q000175:diagnosis*; D006801:Humans; D008297:Male