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Med. infant ; 17(2): 100-108, Junio 2010. ilus, Tab
Article in Spanish | LILACS, UNISALUD, BINACIS | ID: biblio-1247510

ABSTRACT

Si bien la forma de presentación del CDT es más agresiva en la edad pediátrica que en los adultos, la tasa de sobrevida es superior al 90%.Objetivo: analizar retrospectivamente las características clínico-patológicas,la evolución y los factores pronósticos en pacientes prepuberales (PP) y puberales (P) con diagnostico de CDT controlados en nuestro servicio. Resultados se incluyeron 43 pacientes seguidos por un tiempo X (±DS) de 5.99 años(a) (3.57) a, rango 1 -14 a. El tratamiento consistió en tiroidectomía con vaciamiento ganglionar, Iodo131 y levotiroxina en dosis inhibitoria de TSH. Al diagnóstico: edad cronológica (EC) X (±DS)10.9 (3.84) a, rango: 4.7 -17a, relación femenino /masculino 2.9. Diecinueve PP y 24 P. El 53.5% (n:23) presentó nódulos confinados a la glándula con o sin extensión ganglionar y el 46.5% (n:20) tenia un estadío tumoral más avanzado con invasión local y metástasis (MTS) pulmonar. Treinta y ocho pacientes (88.4%) tenían MTS ganglionar cervical y 16(37.2%) MTS pulmonar. El grupo PP comparado con el P tenía EC significativamente menor X (±DS) 7.25 (2.03) a vs 13.83a (p <0.001), estadío tumoral más avanzado 84.2 vs16.8% (p<0.001) y mayor ocurrencia de MTS pulmonar 68.4 vs 12.5% (p<0.003). La sobrevida global fue de 92% y libre de enfermedad 78%.Las variables predictoras de persistencia de enfermedad más significativas fueron presencia de MTS pulmonar al diagnóstico y niveles séricos de tiroglobulina superiores a 8.5 ng/ml posterior al tratamiento inicial. Conclusión: el CDT pediátrico tiene una presentación agresiva especialmente en los pacientes prepuberales. El pediatra debería incorporar el examen clínico del cuello para realizar un diagnóstico y tratamiento precoz (AU)


Children-DTC has been found to behave differently than in adults. At diagnosis, children present in a more aggressive way. However the overall survival rates is greater than 90%. The aim of this study was to perform a retrospective analysis of clinicopathologycal features at diagnosis, evolution and prognostic factors for DTC in pre-pubertal (PP)and pubertal (P)children treated at our centre. Results: 43 CDT patients were included. Mean follow up was X (±DS) 5.99 (3.57) years (y) range: 1 -14 y. Treatment consisted on total thyroidectomy with lymph node dissection, radioiodine therapy, and TSH suppressive therapy with L-thyroxine. At diagnosis: chronological age (CA) was (±DS) :10.9 (3.84) y, range: 4.7 - 17y,sex: female/male ratio: 32/11,nineteen were PP and 24 P. Twentythree ( 53.5%) presented intrathyroidal nodes with or without lymph node MTS, Twenty patients (46.5%) had advanced disease, with adjacent tissue invasion and lung MTS. Thirty-eight patients (88.4%) had cervical lymph node MTS, 16 (37.2%) lung MTS.PP group had significant less CA X (±DS) 7.25 (2.03) y vs 13.83 (1.95)y (p <0.001),advanced tumor stage 84.2 vs16.8% (p<0.001) and more lung MTS occurrence 68.4 vs 12.5% (p<0.003). Global survival rate was 92% and disease free survival rate was 78%.Lung metastases (MTS) and serum thyroglobuline levels greater than 8.5 ng\ml post initial treatment were the most significant prognostic factor related to persistent disease. Conclusion: CDT had a more aggressive presentation in children; especially in PP children. Pediatricians should be aware of this in order to realize a precocious diagnosis and treatment (AU)


Subject(s)
Humans , Child , Adolescent , Thyroid Neoplasms/surgery , Thyroid Neoplasms/classification , Thyroid Neoplasms/pathology , Carcinoma/surgery , Carcinoma/classification , Carcinoma/pathology , Prognosis , Thyroidectomy , Retrospective Studies , Puberty , Treatment Outcome
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