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La mucosectomía o resección endoscópica de la mucosa (EMR, del inglés: endoscopic mucosal resection), a pesar de su insignificante riesgo de metastasis ganglionar, es la técnica estándar para el tratamiento del cáncer precoz de estómago utilizada en Japón, y ha sido ampliamente difundida y aceptada en los países occidentales.

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PREGUNTA desde Los Ángeles.

En el Hospital del Centro Nacional del Cáncer en Tokio, se opta por cirugía en lo posible.  Sólo los estadios 4 son tratados caso por caso.

Sin embargo, aun los estadios 4 se les verifica si presentan diseminación peritoneal a través de un lavado laparoscópico. Si es negativo, existen pacientes que pueden ser preparados para cirugía, si responden a la quimioterapia. De cualquier manera, siempre reciben quimioterapia.

Lamentablemente desconozco como es el tratamiento en Perú, pero debe seguir los lineamientos de Norteamerica.

QUESTION from Los Angeles, USA

As for the National Cancer Center Hospital in Tokyo, they always try surgery if it is possible.

Only stage 4 patients have case-by-case treatment. But even in stage 4 cases, Japaneses perform a laparoscopic peritoneal lavage to check peritoneal dissemination. If it is negative, the patient could be prepare for surgery. Anyway, they will receive chemotherapy.
I don’t know about treatment in Peru, but probably follows the American guidelines.

I hope this could answer your question.

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Endoscopic mucosal resection (EMR) of early gastric cancer (EGC), with negligible risk of lymph node metastasis, is a standard technique in Japan and is increasingly becoming accepted and regularly used in Western countries.

EMR is a minimally invasive technique which is safe, convenient, and efficacious; however, it is insufficient when treating larger lesions. The evidence suggests that difficulties with the correct assessment of depth of tumor invasion lead to an increase in local recurrence with standard EMR when lesions are larger than 15 mm. A major factor contributing to this increase in local recurrence relates to lesions being excised piecemeal due to the technical limitations of standard EMR. Continue Reading