T2-based magnetic resonance genitography in children with complex anorectal malformations : experience at a tertiary pediatric hospital in Latin America
© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..
In children with anorectal malformations (ARMs), it is essential to have a diagnostic imaging method that helps with the evaluation of the internal anatomy. In patients with a persistent cloaca, an ARM variant, in which the measurement of the urethral channel and common channel determines surgical management, there are multiple options for imaging. Magnetic resonance imaging (MRI) is an excellent method for this purpose, from which accurate measurements of channel length can be obtained. Additionally, the use of volumetric/isotropic sequences allows multiplanar reformatting. We present our experience with pelvic MRI and intracavitary non-paramagnetic contrast (MR genitography). This method uses volumetric T2-weighted images and the instillation of saline solution as a contrast agent to distinguish the common channel, length of the urethra, anatomy of the vagina, and presence and location of the rectal fistula. We believe this technique to be particularly useful for those working in settings with limited MRI resources.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:54 |
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| Enthalten in: |
Pediatric radiology - 54(2024), 3 vom: 15. März, Seite 430-437 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lazarte-Rantes, Claudia [VerfasserIn] |
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| Links: |
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| Themen: |
Anorectal malformations |
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| Anmerkungen: |
Date Completed 01.03.2024 Date Revised 21.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00247-023-05849-6 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a In children with anorectal malformations (ARMs), it is essential to have a diagnostic imaging method that helps with the evaluation of the internal anatomy. In patients with a persistent cloaca, an ARM variant, in which the measurement of the urethral channel and common channel determines surgical management, there are multiple options for imaging. Magnetic resonance imaging (MRI) is an excellent method for this purpose, from which accurate measurements of channel length can be obtained. Additionally, the use of volumetric/isotropic sequences allows multiplanar reformatting. We present our experience with pelvic MRI and intracavitary non-paramagnetic contrast (MR genitography). This method uses volumetric T2-weighted images and the instillation of saline solution as a contrast agent to distinguish the common channel, length of the urethra, anatomy of the vagina, and presence and location of the rectal fistula. We believe this technique to be particularly useful for those working in settings with limited MRI resources | ||
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| 650 | 4 | |a Cloaca | |
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| 700 | 1 | |a Ramirez-De la Cruz, Raul |e verfasserin |4 aut | |
| 700 | 1 | |a Trigoso, Victor |e verfasserin |4 aut | |
| 700 | 1 | |a Cerron-Vela, Carmen |e verfasserin |4 aut | |
| 700 | 1 | |a De la Torre-Mondragon, Luis |e verfasserin |4 aut | |
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