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J Ovarian Res. 2018 Jan 9;11(1):5. doi: 10.1186/s13048-017-0374-8.

Diagnostic utility of CT in differentiating between ruptured ovarian corpus luteal cyst and ruptured ectopic pregnancy with hemorrhage.

Author information

1
Department of Radiology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of TCM, Shanghai, 200437, China. lxh13917904416@163.com.
2
The Second Military Medical University, Shanghai, 200433, China. lxh13917904416@163.com.
3
Department of Radiology, Seventh People's Hospital affiliated with Shanghai University of TCM, Shanghai, 200137, China.
4
Department of Radiology, Changhai Hospital, Shanghai, 200433, China.
5
Department of Gynecology, Seventh People's Hospital affiliated with Shanghai University of TCM, Shanghai, 200137, China.
6
Department of Radiology, Zhengzhou Central Hospital affiliated with ZhengZhou University, Henan, 450000, China.

Abstract

BACKGROUND:

To evaluate the performance of computed tomography (CT) as a diagnostic aid to differentiate between ruptured ovarian corpus luteal cyst (ROCLC) and ruptured ectopic pregnancy with hemorrhage (REPWH).

METHODS:

A total of 36 patients treated at our hospitals for ROCLC and REPWH from June 2014 to August 2017 were included in this study. Based on the diagnosis, the study population was divided into ROCLC group (n = 21) and REPWH group (n = 15). CT scans were performed for all patients prior to treatment. The size of the cystic shadows and the depth of the pelvic effusion were analyzed and compared with independent sample Student's t test and Fisher's exact test.

RESULTS:

Cystic shadows with maximum diameters ≥3.0 cm presented in 16 patients with ROCLC and 1 patient with REPWH, while 4 patients with ROCLC and 9 patients with REPWH exhibited cystic shadows with maximum diameters <3.0 cm. The mean diameters along the major and minor axes in the two groups were 3.76 ± 1.11 cm and 2.93 ± 0.98 cm, 1.96 ± 0.65 cm and 1.60 ± 0.55 cm, respectively (p < 0.001). The mean depth of the pelvic effusion in patients with ROCLC and REPWH were 5.20 ± 2.47 cm and 6.96 ± 2.07 cm, respectively (p = 0.038).

CONCLUSION:

The cystic shadow of ROCLC is larger than that of the REPWH. The depth of the pelvic effusion of REPWH is deeper than that of the ROCLC. CT can help differentiate between ROCLC and REPWH based on the size of the cystic shadow and the depth of pelvic effusion in the adnexal area.

KEYWORDS:

Computed tomography (CT); Cyst shadow; Pelvic effusion; Ruptured ectopic pregnancy with hemorrhage (REPWH); Ruptured ovarian corpus luteal cyst (ROCLC)

PMID:
29316947
PMCID:
PMC5761095
DOI:
10.1186/s13048-017-0374-8
[Indexed for MEDLINE]
Free PMC Article

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