TY - GEN AU - Zella,Garrett C AU - Gee,Michael S AU - Badizadegan,Kamran TI - Case records of the Massachusetts General Hospital. Case 25-2012. A 15-year-old boy with abdominal pain, hematochezia, and anemia SN - 1533-4406 PY - 2012///0824 KW - Abdominal Pain KW - etiology KW - Acute Disease KW - Adenomatous Polyps KW - complications KW - Adolescent KW - Anemia KW - Appendicitis KW - diagnosis KW - Colon KW - pathology KW - Diagnosis, Differential KW - Diarrhea KW - Gastrointestinal Hemorrhage KW - Humans KW - Ileal Diseases KW - diagnostic imaging KW - Ileum KW - Intussusception KW - Male KW - Obesity KW - Radiography, Abdominal KW - Tomography, X-Ray Computed N1 - Publication Type: Case Reports; Clinical Conference; Journal Article UR - https://doi.org/10.1056/NEJMcpc1111578 ER -