Most common are functional or follicular<unk> s
Less common include PCOS,<unk> adenomas, and dermoid<unk> s<unk> s are generally >1cm in size<unk> s are at risk of torsion when >4cm<unk> s <2cm are virtually risk free from torsion
Ovarian cyst
Appendicitis
Tubo-ovarian abscess
Perforated appendicitis
Ovarian torsion
Peritonitis
Ectopic pregnancy
Abdominal aortic aneurysm