Abdominal pain, right lower quadrant

DDx

Don’t miss

• Appendicitis
• Intestinal ischemia
• Ovarian torsion
• Tubo-ovarian abscess
• Ectopic pregnancy
• Inguinal or femoral hernia
• Testicular torsion
• Abdominal aortic aneurysm

DDX

• Appendicitis
• Gastroenteritis or colitis
• Irritable bowel syndrome
• Gynecologic: pelvic inflammatory disease, ovarian torsion, ruptured ovarian cyst, tubo-ovarian abscess, endometriosis, ectopic pregnancy, mittelschmerz
• Cystitis
• Hernia, eg, femoral, inguinal, umbilical
• Testicular, eg, epididymitis, testicular torsion
• Prostatitis
• Diverticulitis
• Colon cancer
• Urinary calculi
• Intestinal ischemia
• Intestinal obstruction
• Abdominal aortic aneurysm
• Inflammatory bowel disease
• Mesenteric adenitis, eg, Yersinia, tuberculosis
• Typhlitis (neutropenic colitis)
• Meckel’s diverticulitis
• Herpes zoster
• Trauma or musculoskeletal pain
• Herniated disk
• Abdominal abscess
• Physical or sexual abuse

See related DDx

• Abdominal pain