CBC
ESR/CRP
Transvaginal pelvic ultrasound (Sn 75-82%)
CT pelvis (Sn 78-100%) - preferred in patients in whom associated GI pathology must be excluded
Tubo-ovarian abscess
Pelvic origin
Ovarian cyst
Acute cystitis
Ovarian torsion
Ectopic
Ectopic pregnancy
Spermatocele