43 Cystic-Appearing Pelvic Masses

CLINICAL IMAGAGINGAN ATLAS OF DIFFERENTIAL DAIGNOSIS

EISENBERG

DR. Muhammad Bin Zulfiqar PGR-FCPS III SIMS/SHL

• Fig GU 43-1 Follicular cysts. Endovaginal scan demonstrates multiple anechoic masses (f) within the ovary (O). (B, bladder; C, corpus luteum cyst; U, uterus.)27

• Fig GU 43-2 Paraovarian cyst. Sagittal sonogram demonstrates the cyst (C) superior to the vagina (V). The uterus had been removed. (B, bladder.)27

• Fig GU 43-3 Corpus luteum cyst. (A) Transverse and (B) sagittal sonograms show the smooth-walled anechoic cyst (C) in the left ovary (O). (B, bladder; oa, ovarian artery.)27

• Fig GU 43-4 Theca lutein cyst. Multiseptated cystic structure in the adnexal region.58

• Fig GU 43-5 Polycystic ovary disease. Typical appearance of multiple subcapsular follicular cysts (arrows).58

• Fig GU 43-6 Tubo-ovarian abscess. (A) Large sonolucent mass (M) posterior to the bladder (B). (B) In another patient, there is fluid in the cul-de-sac (F) posterior to the cystic abscess (A).

• Fig GU 43-7 Serous cystadenoma. Sagittal sonogram shows a large cystic pelvoabdominal mass (M). (B, bladder.)27

• Fig GU 43-8 Endometrioma. Several sonolucent masses (arrows), simulating multiple follicular cysts, arising from the ovary.59

• Fig GU 43-9 Hydrocolpos. Postvoiding midsagittal sonogram of a newborn girl shows a large cystic area (V) with good through-transmission of sound (arrowheads).60

• Fig GU 43-10 Hematometrocolpos. Longitudinal pelvic sonogram in a 15-year-old girl with primary amenorrhea and pain demonstrates marked distention of the vagina (V) and uterus (U).60