<unk> 
Perforated<unk> 
Peritonitis
Abdominal aortic aneurysm
Crohn's disease (terminal ileitis)
Diverticulitis (cecal, Asian patients)
Ectopic
Endometriosis
Epiploic appendagitis
Herpes zoster
Inguinal hernia
Ischemic colitis
Kidney stone
Meckel's diverticulum
Mesenteric lymphadenitis
Mesenteric ischemia
Mittelschmerz
Neutropenic enterocolitis (typhlitis)
Ovarian cyst
Ovarian torsion
PID
Pyelonephritis
Psoas abscess
Testicular torsion
Perforated<unk>
Appendicitis
Cervicitis
Perforated appendicitis
Uvulitis
Peritonitis
Orchitis
Abdominal aortic aneurysm
Diverticulitis