MRI with diffusion‐weighted imaging (DWI) and apparent diffusion coefficient (ADC) assessment in the evaluation of normal and abnormal fetal kidneys: preliminary experience

Savelli, Sara; Maurizio, Marco Di; Perrone, Anna; Tesei, Jacopo; Francioso, A.; Angeletti, Marco; Barbera, Laura La; Ballesio, Laura; Felice, Carlo de; Porfiri, L. M.; Manganaro, Lucia

doi:10.1002/pd.1839

Cited by 59 publications

(39 citation statements)

References 28 publications

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“…In the event of abnormal findings, DWI with ADC is unable to guide the diagnosis with regard to the nature of the kidney disease. This is, instead, achieved with ultrafast T2 sequences, which definitely have better spatial and contrast resolution and consequently excellent anatomical definition [29]. However, the anatomical information offered by T2-weighted sequences is complemented by the functional information provided by DWI, which allows identification of residual renal parenchyma [30] and assessment of whether its development, in relation to the ADC values, reflects that expected for the fetus's gestational age.…”

Section: Discussionementioning

confidence: 99%

Fetal MRI with diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) assessment in the evaluation of renal development: preliminary experience in normal kidneys

et al. 2009

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confidence: 99%

Fetal MRI with diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) assessment in the evaluation of renal development: preliminary experience in normal kidneys

et al. 2009

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“…Diffusion-weighted imaging with apparent diffusion coefficient mapping can be used in evaluation of fetal renal parenchyma and may become a tool for assessing the function of the fetal kidney. 6 Although real-time sonography is the standard imaging modality for suspected fetal urinary tract abnormalities, it may be inconclusive in the setting of oligohydramnios or anhydramnios. 7 In several previous studies, a comparable level of MRI technology was used: a 0.5-or 1.5-T magnet with T2-weighted turbo spin shot sequences.…”

Section: Discussionmentioning

confidence: 99%

Complementary Roles of Sonography and Magnetic Resonance Imaging in the Assessment of Fetal Urinary Tract Anomalies

Barseghyan

Jackson

Chmait

et al. 2008

Journal of Ultrasound in Medicine

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Objective. The purpose of our study was to determine whether fetal magnetic resonance imaging (MRI) provides additional information that might affect the obstetric management of pregnancies complicated by sonographically diagnosed fetal urinary tract anomalies. Methods. Fetal MRI and sonography were used to study 39 women with suspected fetal urinary tract anomalies in the second and third trimesters of pregnancy. Results. In 24 of 39 cases (61%), fetal MRI confirmed the sonographic diagnosis. In 14 cases (36%), fetal MRI modified the initial sonographic diagnosis and counseling but did not change obstetric management. In 1 case (3%), the addition of fetal MRI resulted in a substantial change in the management of the pregnancy. Conclusions. During the second and third trimesters of pregnancy, fetal MRI showed fetal urinary tract anomalies in excellent anatomic detail. Fetal MRI is a useful complementary tool in the assessment of sonographically diagnosed fetal urinary tract anomalies. In a small percentage of cases, it can have a substantial impact on obstetric management. Key words: duplicated renal collecting system; fetal magnetic resonance imaging; fetal urinary tract anomalies; multicystic dysplastic kidneys; prenatal sonography. Abbreviations MCDK, multicystic dysplastic kidney; MRI, magnetic resonance imaging nomalies of the fetal genitourinary system occur in 0.1% to 1% of all pregnancies and account for 14% to 40% of anomalies detected by prenatal sonography.1,2 Sonography is an accurate method of evaluating the fetal genitourinary system. However, factors such as body habitus, fetal position, and oligohydramnios can prevent optimal sonographic visualization.1 Fetal magnetic resonance imaging (MRI) is increasingly used to evaluate suspected fetal anomalies, including anomalies of the genitourinary system. Fetal MRI is particularly useful in imaging fetuses with urinary tract abnormalities resulting in oligohydramnios or anhydramnios. We describe the complementary roles of sonography and MRI in the diagnosis and management of 39 cases of prenatally diagnosed fetal urinary tract abnormalities.

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“…[2,3,[9][10][11][12] Its systematic use could help to identify in many cases the nature of the fetal problem and to predict the risk of stillbirth [10,11] , as a complementary to other sophisticated research methods. [13][14][15][16][17] This would be very important in order to try to prevent stillbirth itself, an event that too often remains unexplained even today.…”

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Fetal biparametric MR imaging in the diagnosis of congenital mesoblastic nephroma

Manganaro

Bernardo

Antonelli

et al. 2018

Turkish Journal of Urology

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MRI with diffusion‐weighted imaging (DWI) and apparent diffusion coefficient (ADC) assessment in the evaluation of normal and abnormal fetal kidneys: preliminary experience

Abstract: Diffusion-weighted imaging (DWI) with ADC mapping can be used in the evaluation of fetal renal parenchyma and may become a tool of assessing function of the fetal kidney by means of measurement of renal tissue ADC values.

Cited by 59 publications

References 28 publications

Fetal MRI with diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) assessment in the evaluation of renal development: preliminary experience in normal kidneys

Fetal MRI with diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) assessment in the evaluation of renal development: preliminary experience in normal kidneys

Complementary Roles of Sonography and Magnetic Resonance Imaging in the Assessment of Fetal Urinary Tract Anomalies

Fetal biparametric MR imaging in the diagnosis of congenital mesoblastic nephroma

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