Magnetic Resonance Imaging in the Evaluation of Cesarean Scar Defect

Wu Shun Felix Wong, Wing Tak Fung, Wu Shun Felix Wong, Wing Tak Fung

Abstract

The incidence of Cesarean scar defect (CSD) would increase with the increasing trends of cesarean section delivery. The actual incidence of this condition is unknown, but it had been estimated by hysteroscopy, sonohysterography, or transvaginal ultrasound to be around 50% of patients with cesarean section. CSD is often asymptomatic, but it may produce common symptoms such as abnormal uterine bleeding, infertility, and pelvic pain. Adverse pregnancy outcomes with scar ectopic pregnancy, uterine rupture had been reported. The use of magnetic resonance imaging (MRI) imaging of this condition is seldom performed and reported. This paper is to analyze retrospectively the MRI finding of 158 women, so as to review the MRI findings of CSD, their appearances and measurements.

Keywords: Cesarean scar defect; MRI appearances; MRI measurements.

Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
Magnetic resonance imaging measurement of Cesarean scar defect: D = Depth of the defect; w = Width of the defect; t = Thickness of scar myometrium; T = Adjacent myometrial thickness
Figure 2
Figure 2
The shapes of magnetic resonance imaging diagnosed Cesarean scar defect are (1) linear (a and b), (2) triangular (c), and (3) irregular rectangular in shape (d-f)

References

    1. Osser OV, Jokubkiene L, Valentin L. High prevalence of defects in cesarean section scars at transvaginal ultrasound examination. Ultrasound Obstet Gynecol. 2009;34:90–7.
    1. Thurmond AS, Harvey WJ, Smith SA. Cesarean section scar as a cause of abnormal vaginal bleeding: Diagnosis by sonohysterography. J Ultrasound Med. 1999;18:13–6.
    1. Naji O, Abdallah Y, Bij De Vaate AJ, Smith A, Pexsters A, Stalder C, et al. Standardized approach for imaging and measuring cesarean section scars using ultrasonography. Ultrasound Obstet Gynecol. 2012;39:252–9.
    1. Tower AM, Frishman GN. Cesarean scar defects: An underrecognized cause of abnormal uterine bleeding and other gynecologic complications. J Minim Invasive Gynecol. 2013;20:562–72.
    1. Mohammed AB, Al-Moghazi DA, Hamdy MT, Mohammed EM. Ultrasonographic evaluation of lower uterine segment thickness in pregnant women with previous cesarean section. Middle East Fertil Soc J. 2010;15:188–93.
    1. Armstrong V, Hansen WF, Van Voorhis BJ, Syrop CH. Detection of cesarean scars by transvaginal ultrasound. Obstet Gynecol. 2003;101:61–5.
    1. Bij de Vaate AJ, Brölmann HA, van der Voet LF, van der Slikke JW, Veersema S, Huirne JA, et al. Ultrasound evaluation of the cesarean scar: Relation between a niche and postmenstrual spotting. Ultrasound Obstet Gynecol. 2011;37:93–9.
    1. Roberge S, Boutin A, Chaillet N, Moore L, Jastrow N, Demers S, et al. Systematic review of cesarean scar assessment in the nonpregnant state: Imaging techniques and uterine scar defect. Am J Perinatol. 2012;29:465–71.
    1. Ofili-Yebovi D, Ben-Nagi J, Sawyer E, Yazbek J, Lee C, Gonzalez J, et al. Deficient lower-segment cesarean section scars: Prevalence and risk factors. Ultrasound Obstet Gynecol. 2008;31:72–7.
    1. Surapaneni K, Silberzweig JE. Cesarean section scar diverticulum: Appearance on hysterosalpingography. AJR Am J Roentgenol. 2008;190:870–4.

Source: PubMed

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