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Trasplante cardíaco y riesgo de cáncer en una superviviente de cáncer de mama con BRCA1
Laura Noteware1, Eleanor Keller1, Dor Lotan2
1Department of Medicine, Columbia University, New York, New York, USA.
JACC. Case reports
|January 21, 2026
Resumen
Las portadoras de BRCA1 sometidas a trasplante cardíaco requieren una vigilancia del cáncer especializada. Este caso destaca la necesidad de protocolos personalizados de inmunosupresión y detección para estos pacientes de superviviencia de cáncer de alto riesgo.
Área de la Ciencia:
- Oncología
- Medicina de Trasplantes
- Genética
Sus antecedentes:
- Las mutaciones en el gen BRCA1 aumentan significativamente el riesgo de cáncer.
- Existen datos limitados sobre el manejo de la inmunosupresión y la detección de malignidades en portadoras de BRCA1 postrasplante.
Objetivo del estudio:
- Presentar un caso de una portadora de BRCA1 con cáncer de mama que se sometió a un trasplante cardíaco.
- Discutir los desafíos en la atención postrasplante, incluida la inmunosupresión y la vigilancia de neoplasias secundarias en síndromes de cáncer hereditarios.
Principales métodos:
- Informe de caso de una mujer de 67 años con cáncer de mama positivo para BRCA1 y posterior trasplante cardíaco.
- Revisión de su curso postrasplante, incluida la gestión de la inmunosupresión y la vigilancia de malignidades durante 13 años.
- Documentación de un raro tumor adnexal metastásico (porocarcinoma ecrino) que se desarrolló 14 años después del trasplante.
Principales resultados:
- El paciente tuvo un curso postrasplante inicialmente sin complicaciones con vigilancia mejorada durante 13 años.
- A pesar de la reducción de la inmunosupresión, se desarrolló un tumor adnexal metastásico raro y fatal 14 años después del trasplante cardíaco.
- No existen pautas establecidas para la inmunosupresión postrasplante o la vigilancia del cáncer en portadoras de BRCA1.
Conclusiones:
- El manejo de las portadoras de BRCA1 después de un trasplante cardíaco es complejo y requiere un equilibrio entre la inmunosupresión y el riesgo de cáncer.
- Se necesita más investigación para desarrollar las mejores prácticas para la detección y el manejo de esta población única de pacientes.
- La atención personalizada y multidisciplinaria es crucial para optimizar los resultados en pacientes de alto riesgo de supervivencia al cáncer con mutaciones germinales.
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