Riesgo aumentado de lesiones colónicas preneoplásicas en acromegalia: estudio multicéntrico caso control. Resultados preliminares

Published on Oct 1, 2017in Revista Argentina de Endocrinología y Metabolismo
· DOI :10.1016/j.raem.2017.07.006
María Florencia Battistone , Monica Graciela Loto5
Estimated H-index: 5
+ 24 AuthorsMirtha Guitelman9
Estimated H-index: 9
Resumen Introduccion El riesgo de desarrollar neoplasias colonicas en pacientes acromegalicos y su relacion directa con los niveles elevados de GH/IGF-1 no estan bien establecidos y continuan siendo motivo de controversia en la literatura mundial. El objetivo de este trabajo fue evaluar el riesgo de desarrollar lesiones neoplasicas avanzadas (LNA) (adenomas mayores a 1 cm, componente velloso mayor del 75% y/o displasia de alto grado), en pacientes con acromegalia, comparado con un grupo control. Materiales y metodos Estudio multicentrico caso-control retrospectivo. Ciento treinta y siete pacientes con acromegalia que realizaron videocolonoscopia (VCC) fueron incluidos inicialmente, aunque solo 69 cumplieron criterios de inclusion. Sesenta y dos controles fueron obtenidos: por cada caso (paciente con acromegalia) 2 «controles» fueron seleccionados aleatorizadamente e igualados por edad y sexo. El riesgo se expreso en odds ratio (OR) y su correspondiente intervalo de confianza (IC) del 95%. La significacion estadistica fue considerada una p  Resultados De los 69 pacientes con VCC completa y datos adecuados para su analisis, 28 presentaron VCC positiva con hallazgos de polipos (40%) y 41 VCC negativa o normal (60%). Dentro del grupo con VCC positiva, 14 presentaron LNA (20%) y solo un paciente presento diagnostico de cancer colorrectal. Para el analisis caso-control se incluyo a 31 pacientes frente al grupo control (n = 62) que cumplieron con los criterios de inclusion. La presencia de polipos colonicos, adenomas y LNA en los pacientes con acromegalia fue de 19/31 (61,9%), 14/31 (45,16%) y 10/31 (32,25%), y en el grupo control de 18/62 (29,03%), 11/62 (17,74%) y 4/62 (6,45%), respectivamente. El riesgo de adenomas y LNA fue mayor en el grupo de acromegalia en comparacion con el grupo control, siendo ambos resultados estadisticamente significativos: adenomas OR 2,54 (IC 1,22-5,25) p = 0,005, LNA OR: 7,3 (2,4-25), p = 0,00. Conclusion La acromegalia se asocia a un mayor riesgo de lesiones colonicas preneoplasicas. Este hallazgo justifica el cribado con VCC al diagnostico en pacientes con acromegalia.
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#1Tanya BurtonH-Index: 2
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