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Cirugía conservadora de esfínteres para el cáncer de recto: de los límites a la perfección
1Department of Colorectal Surgery, the First Affiliated Hospital of Naval Medical University, Shanghai 200433, China.
Resumen
La cirugía conservadora de esfínteres para el cáncer de recto bajo equilibra la seguridad oncológica y la función. Los avances en las técnicas quirúrgicas y la estrategia "Watch & Wait" ofrecen nuevas opciones, y la inmunoterapia está a punto de mejorar los resultados.
Área de la Ciencia:
- Cirugía de Cáncer Colorrectal
- Oncología
- Innovación Quirúrgica
Sus antecedentes:
- La preservación de esfínteres en el cáncer de recto bajo es un desafío, que requiere una comprensión avanzada de la biología tumoral y la anatomía pélvica.
- El paradigma quirúrgico ha cambiado de la resección radical a priorizar tanto la seguridad oncológica como la preservación funcional.
Objetivo del estudio:
- Revisar las terapias actuales de preservación de esfínteres para el cáncer de recto bajo.
- Explorar el papel de la cirugía mínimamente invasiva, el manejo no quirúrgico y los tratamientos emergentes como la inmunoterapia.
Principales métodos:
- Revisión de técnicas quirúrgicas que incluyen resección anterior baja (LAR), resección interesfinteriana (ISR) y escisión total del mesorrecto transanal (taTME).
- Discusión de la estrategia "Watch & Wait" como opción no quirúrgica.
- Exploración de la inmunoterapia en combinación con terapia neoadyuvante para grupos específicos de pacientes.
Principales resultados:
- Varios métodos quirúrgicos han avanzado las capacidades de preservación de esfínteres.
- La estrategia "Watch & Wait" ofrece un enfoque no operatorio para pacientes seleccionados.
- La inmunoterapia combinada con terapia neoadyuvante muestra promesa para mejorar las tasas de preservación de esfínteres y órganos en pacientes pMMR/MSS.
Conclusiones:
- Los futuros tratamientos de preservación de esfínteres para el cáncer de recto bajo estarán centrados en el paciente, integrando medicina de precisión, colaboración multidisciplinaria e inteligencia artificial.
- El objetivo es optimizar el equilibrio entre la seguridad oncológica y la preservación funcional.
Palabras clave:
cáncer de recto bajocirugía conservadora de esfínteresresección anterior bajaresección interesfinterianataTMEesperar y observarinmunoterapiamedicina de precisiónMás Videos Relacionados
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