Es carcinoma lobulillar infiltrante igual a carcinoma ductal infiltrante?: seguimiento a largo plazo / Is lobulillar infiltrante carcinoma equal to ductal infiltrante carcinoma?: long term follow

RESUMEN

Comparar carcinoma lobulillar infiltrante y carcinoma ductal infiltrante a largo plazo según estadio, tratamiento quirúrgico, terapia neoadyuvante, adyuvante. Estudiamos en la base de datos de CECLINES 841 pacientes, el lobulillar representa 7,25% (61) y ductal 51,24% (431). El seguimiento global 22 años con promedio de 5 años. La sobrevida global lobulillar 68,1% vs. 60,9% ductal (P=0,772), por estadio fue I lobulillar 96,3% ductal 90,5 II 94,4% y 88,4% III 90,5% 83,2% (P=0,023). La expresión de receptores de estrógenos positivos en comparación a los CDI fue 87,7% vs. 74,7%,(P=0,031) sobrevida 96,9% vs. 94,0% (P=0,033). El tratamiento preservador del lobulillar en comparación aductal 57,4% vs. 63,2% (P=0,949) y la sobrevida 85,4% vs. 82,9% (P=0,001). La sobrevida de lobulillar sometidos a quimioterapia primaria, quimioterapia adyuvante, radioterapia y hormonoterapia adyuvante en relación al grupo ductal fue 93,4% vs. 91,3%, 91,5% vs. 89,7%, 92,5% vs. 89,8% 92,5% vs. 88,4%, respectivamente (P<0,05). La sobrevida global es igual, la sobrevida por estadio favorece al lobulillar estos presentan más receptores positivos y sobrevida mejor. La tendencia a tratamiento preservador en lobulillar es mayor encontrando excelentes cifras de sobrevida. Dado el perfil hormonal y sobrevida según receptores las pacientes con lobulillar infiltrante son candidatas a participar en protocolos de hormonoterapia primaria. Generalmente el tratamiento para ambos grupos es similar.

ABSTRACT

Compare infiltrante lobulillar carcinoma and ductal carcinoma in long-term follow up as stage surgical treatment, neoadyuvante, adjuvant therapy. We studied in CECLINES data base 841 patients; lobulillar represents 7.25% (61) and 51.24% ductal (431). The overall followup was up to twenty two years with an average of five years. The overall survival for lobulillar was 68.1%and for ductal 60.9% (P=0.772), the survival according to state was I lobulillar 96.3% ductal 90.5, II 94.4% vs. 88.4 III 90.5 and 83.2 respectively (P=0.023). Estrogen receptors positive expression for lobulillar compared to ductal was 87.7% vs. 74.7%, (P=0.031) and its survival 96.9% vs. 94.0% (P=0.033). The breast conserving surgery for lobulillar compared to ductal was 57.4% vs. 63.2% (P=0.949) survival 85.4% vs. 82.9% (P=0.001). The survival reported for patients with lobulillar who received neoadyuvante chemotherapy adjuvant chemotherapy radiotherapy and adjuvant hormonotherapy compared to ductal was 93.4% 91.3%, 91.5% 89.7%, 92.5% 89.8% 92.5% 88.4%, respectively P<0.05. The overall survival is equal, survival favors. The lobulillar have more positive receptors and survival is better. The tendency to conservative treatment in lobulillar is increasingly. Given the hormonal profile and survival according to estrogen receptors patients with ILC, are probably good candidates to participate in neoadyuvante hormone therapy protocols. Usually the treatment is the same or similar for both groups.