Quantitative Sonoelastographic Assessment of the Normal Uterus Using Shear Wave Elastography: An Initial Experience

Manchanda, Smita; Vora, Zainab; Sharma, Raju; Hari, Smriti; Das, Chandan Jyoti; Kumar, Sunesh; Kachhawa, Garima; Khan, Maroof Ahmad

doi:10.1002/jum.15019

Cited by 24 publications

(23 citation statements)

References 16 publications

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“…Δ p < 0.05 vs ATAA group pathological changes in the endometrium are consistent with the change in the endometrial stiffness. Recent studies have shown that SWE can be used to evaluate the elasticity of normal myometrium, intima, and cervix and that SWE is a promising tool for the uterine assessment and helpful for the diagnosis of various uterine diseases [16]. Available findings together with our results indicate that SWE may be used to display the early damage to the endometrium when it is invisible on conventional ultrasonography and 2D measurements.…”

Section: Discussionsupporting

confidence: 55%

“…Manchanda et al applied SWE to study the elasticity of normal uterus, and they found no significant difference in the mean endometrial elasticity among women in different menstrual stages or different age groups and no age-related difference in the mean cervical elasticity [16]. Ono et al revealed that the cervical hardness during pregnancy was negatively related to the gestational age [17].…”

Section: Introductionmentioning

confidence: 99%

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Assessment of early damage of endometrium after artificial abortion by shear wave elastography

et al. 2020

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Objectives: This study aimed to investigate the application of shear wave elastography (SWE) in the early damage detection through assessing the endometrial elasticity after artificial abortion. Methods: A total of nulliparous women (20-30 years) who received ultrasonography in our hospital were recruited between January 2017 and December 2017. These women were divided into normal control group (NC; n = 65), after once artificial abortion group (AOAA; n = 68), after twice artificial abortion group (ATAA; n = 61), and after three times or more (range, 3-6) artificial abortion group (ATTMAA; n = 60). SWE was performed to evaluate the endometrium; Young's modulus of the endometrium was determined and then the endometrial thickness was measured. Results: Young's modulus of the endometrium increased in the order of NC group, AOAA group, ATAA group, and ATTMAA group, and Young's modulus increased with the increase in the number of artificial abortions (p < 0.05). The endometrial thickness in the ATTMAA group was significantly lower than in the NC group, AOAA group, and ATAA group (p < 0.05), but there was no marked difference among the NC group, AOAA group, and ATAA group (p > 0.05). Conclusions: SWE increases with increasing number of abortions, which may indicate the damage that is done to the endometrium earlier than measurement of the endometrial thickness do.

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Section: Discussionsupporting

confidence: 55%

Section: Introductionmentioning

confidence: 99%

Assessment of early damage of endometrium after artificial abortion by shear wave elastography

et al. 2020

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“…In the present study, the obtained mean SWE values were similar to those in the literature [12][13][14][15]. The elasticity values were higher in the internal and posterior regions than in the external and anterior regions.…”

Section: Discussionsupporting

confidence: 91%

“…To define and detect pathological changes rapidly and reliably, it is necessary to recognise the variability in the analysis of the healthy cervix. However, there are only a few studies about SWE analysis of the healthy, nonpregnant cervix [14,15]; consequently, there is a gap in the literature regarding changes in elasticity induced by patient-related factors and the interobserver variability of SWE measurements. Therefore, in this study, we aimed to analyse the SWE values of the healthy, nonpregnant cervix with respect to age, menopausal status, gravida, parity, and menstrual cycle by using the Toshiba SWE system at our institution.…”

Section: Introductionmentioning

confidence: 99%

Shear wave elastography of the uterine cervix under different conditions with inter-operator agreement analysis

Gemici¹,

Gulsever²,

Tunca³

et al. 2020

Pol J Radiol

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Purpose: Shear wave elastography (SWE) is a relatively new technique for measuring tissue elasticity. Its implementation for assessing the tissue of the cervix is evolving, and SWE analyses of healthy, nonpregnant cervixes is the first step in understanding other SWE changes related to cervical pathologies; nevertheless, some challenges in the use of the technique still require investigation. We aimed to target the consistency of healthy cervix shear wave elastography measurements and examine the changes induced by patient-related factors. Material and methods: Elastograms were obtained at the internal and external os in the anterior (IA, EA) and posterior (IP, EP) portions of the cervix using a transvaginal approach in eight postmenopausal and 25 premenopausal women. Measurements with a standard deviation of over 20% and patients who presented with colour loss or heterogeneity were excluded from the study. Shear wave elastography assessments were performed using a Toshiba Aplio 500 version 6. Statistical significance was defined as a p value less than 0.10, due to the small number of patients. Results: The mean speeds obtained at the external os on the anterior and posterior aspects was 3.17 ± 0.85 m/s and 3.18 ± 0.84 m/s, respectively, and at the internal os, the results on the anterior and posterior aspects were 3.38 ± 0.73 m/s and 3.53 ± 0.81 m/s, respectively. The difference in speed among all regions was statistically significant (p < 0.05). Fifteen patients were also analysed by a second radiologist with a similar experience level as that of the first. Nine measurements for IP, 13 measurements for IA, 11 measurements for EP, and 15 measurements for EA were performed. The correlation coefficients between the two sets of measurements were 0.46, 0.30, 0.67, and 0.51, respectively. There was no difference in the SWE values with respect to age, parity, and gravidity for any of the regions. The SWE values at the IA, IP, and EA regions between the postmenopausal and premenopausal women were significantly different (p = 0.038, p = 0.059, p = 0.065). Conclusions: The posterior portion of the internal os is most likely to undergo inaccurate SWE measurement among the different anatomical positions. The correlation between radiologists was found to be different for different locations in the cervix. More studies are needed to determine the SWE values of the healthy cervix and the agreement levels between radiologists.

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“…Furthermore, many of elastography studies in normal reproductive tissues are related to the cervix (Fuchs, Pomorski, & Zimmer, ; Lu et al, ; Muscatello et al, ; Thomas, ; Yamaguchi, Kamei, Kozuma, & Taketani, ). In medicine and veterinary medicine, limited studies have evaluated normal uterine tissue (Domanska et al, ; Manchanda et al, ; Tanaka et al, ), and no studies evaluated changes in uterine stiffness during physiological or pathological post‐partum involution in animals. For this reason, aims that study may provide support for early diagnosis and therapeutic follow‐up of post‐partum uterine alterations, reducing genetic, zootechnical and economic losses, in the canine species and other phylogenetically close.…”

Section: Introductionmentioning

confidence: 99%

Quantitative ultrasound elastography and biometry of the bitch uterus in the early puerperium after vaginal delivery and caesarean section

Simões

Maronezi

Uscátegui

et al. 2020

Reprod Domestic Animals

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Elastography is an actual imaging method used to qualitatively and quantitatively evaluate the elastic properties of tissues. The aim of this study was to evaluate and compare uterine tissue biometry and stiffness during post‐partum period in brachycephalic bitches (n = 12) after c‐section (GCS; n = 8) or normal delivery (GNB; n = 4). These animals were evaluated daily by abdominal ultrasound from the day of delivery until the 10th day post‐partum; measuring uterine diameter, myometrial and endometrial thickness (mm) and shear wave velocity (SWV; m/s), by B‐mode and ARFI (acoustic radiation force impulse) elastography, respectively. Uterine diameter was higher (p = .012) in animals submitted to c‐section (15.26 ± 4.73 mm) than in normal birth (12.53 ± 2.64 mm) during the first 7 days post‐partum. Uterine thickness gradually involuted in both groups (p < .0001), the myometrium during the first 9 days (p = .005) and the endometrium during the first 6 days (p = .003). The myometrial and endometrial SWVs were similar between types of delivery (p = .7846 and .8273) and presented a gradual increase (p = .411; .0043, respectively), during the first 10 days post‐partum. It was concluded that bitches with normal delivery had smaller uterine thickness and faster puerperal involution than submitted to c‐section, while uterine tissue stiffness was similar between delivery types and increased gradually during post‐partum.

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Quantitative Sonoelastographic Assessment of the Normal Uterus Using Shear Wave Elastography: An Initial Experience

Cited by 24 publications

References 16 publications

Assessment of early damage of endometrium after artificial abortion by shear wave elastography

Assessment of early damage of endometrium after artificial abortion by shear wave elastography

Shear wave elastography of the uterine cervix under different conditions with inter-operator agreement analysis

Quantitative ultrasound elastography and biometry of the bitch uterus in the early puerperium after vaginal delivery and caesarean section

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