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Prueba intraoperatoria con azul de metileno para el divertículo uretral femenino: valor diagnóstico y resultados
1Department of Obstetric and Gynecology, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia.
Frontiers in urology
|January 22, 2026
Resumen
El colorante azul de metileno ayuda a la cistouretroscopia en el diagnóstico del divertículo uretral femenino (DU) con alta precisión. Esta técnica sencilla mejora los resultados quirúrgicos para pacientes con DU.
Área de la Ciencia:
- Urología; Innovación Quirúrgica
Sus antecedentes:
- El divertículo uretral femenino (DU) es una afección rara que a menudo se diagnostica erróneamente, lo que provoca retrasos en el tratamiento.; Los desafíos diagnósticos en el DU imitan otros síntomas del tracto urinario inferior.
Objetivo del estudio:
- Evaluar la cistouretroscopia asistida por azul de metileno para el diagnóstico y la localización del DU femenino.; Evaluar los resultados quirúrgicos tras este coadyuvante diagnóstico.
Principales métodos:
- Revisión retrospectiva de 15 pacientes femeninas con sospecha de DU.; Cistouretroscopia con inyección intraoperatoria de colorante azul de metileno.; Correlación de los hallazgos diagnósticos con la histopatología y los resultados quirúrgicos tras la diverticulectomía transvaginal.
Principales resultados:
- El DU confirmado histológicamente en el 80% de los pacientes.; La prueba de azul de metileno mostró una sensibilidad del 91,7% y una precisión diagnóstica general del 93,3% para el DU.; El 83,3% de los pacientes lograron la resolución completa de los síntomas postoperatorios, con tasas manejables de recurrencia y fístula.
Conclusiones:
- La cistouretroscopia asistida por azul de metileno es un coadyuvante rentable para el diagnóstico y la localización del DU.; La técnica mejora la precisión intraoperatoria, pero no sustituye a la resonancia magnética en casos complejos.; Se necesitan más estudios prospectivos para confirmar estos hallazgos debido a las limitaciones del estudio.
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