cystic adnexal masses

• ovarian cyst
  • mature follicle measures up to 2.5 cm at ovulation
  • corpus luteum cyst common in first 16 weeks of pregnancy
  • polycystic (Stein-Leventhal) disease
• paraovarian cyst
  • Wolffian duct remnants in broad ligament
• ovarian neoplasm
  • serous cystadenoma (most common benign ovarian tumor)
  • mucinous cystadenoma (usually complex)
  • cystic teratoma (usually complex)
• endometriosis
  • diffuse (not detectable by US)
  • localized (generally anechoic or hypoechoic)
• ectopic pregnancy
• pelvic inflammatory disease
  • gonorrhea or chlamydia
  • localized abscess and hydrosalpinx
• non-gynecologic mass
  • mesenteric cyst
  • ureterocele
  • bladder diverticula
  • lymphocele

© 2002, C.E. Kahn, Jr.
2002-04-18