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vol.15 suppl.1URO - RESONANCIA EN NIÑOSTRACTOGRAFÍA Y TENSOR DE DIFUSIÓN EN EL ESTUDIO POR RESONANCIA MAGNÉTICA DEL NERVIO MEDIANO: REPORTE DE UN CASO índice de autoresíndice de materiabúsqueda de artículos
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Revista chilena de radiología

versión On-line ISSN 0717-9308

Resumen

MENESES Q, Luis; TEJOS N, Cristián  y  IRARRAZABAL M, Pablo. USING PHASE CONTRAST MRA FOR THE DIAGNOSIS OF PELVIC CONGESTIÓN SYNDROME. Rev. chil. radiol. [online]. 2009, vol.15, suppl.1, pp.54-58. ISSN 0717-9308.  http://dx.doi.org/10.4067/S0717-93082009000400008.

Introduction: Pelvic Congestión Syndrome (PCS) is produced by anomalous flow in ovarían veins. Direct venography (DV) is the gold-standard for diagnosis. Phase-Contrast Magnetic Resonance Angiography (PC-MRA) appears as an alternative that would permit a morphological and functional assessment. The purpose of the study was to evalúate the usefulness of flow velocity (measured with PC-MRA) as a diag-nostic criterion and also to compare it with the DV technique. Patients and methods: We prospectively included 8 female patients with clinical suspicion of PCS who were referred for undergoing DV over a six-month period. PC-MRA examinations were per-formed in all of them. Slow anterograde or retrograde flow were the diagnostic criteria. Sensitivity, specificity, PPV, and NPV were also calculated. Results: Data from 16 veins were analized by means of a home-made software written in Matlab. There were 12 abnormal and 4 normal veins according to DV results. All the abnormal veins were correctly identified by MR-PC. Two veins (corresponding to the same patient) were considered as normal in accordance with DV results, whereas the PC-MRA analysis revealed them as abnormal veins. This patient presented with PCS typical symptoms. Sensitivity and specificity valúes were 100 and 50%, respectively, whereas PPV and NPV valúes were 86 and 100%, respectively. Conclusión: PC-MRA is a useful diagnostic tool for patients with clinical suspicion of PCS and could avoid unnecessary invasive procedures.

Palabras clave : Magnetic resonance angiography; Pelvic pain; Varicose vein.

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