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Une anesthésie par infiltration est pratiquée à distance de la lésion, en tissu sain, car la pression exercée par la solution anesthésique peut modifier l’arrangement cellulaireInjection en couronne autour de la lésion :c’est légèrement excessif sur le schéma, l’important est de retenir qu’il faut être à distance de la lésion et sur son pourtourInjection triangulaire par retrait progressif de l’aiguille (à l’injection aussi) : retrait progressif de l’aiguille pendant, 3. Sur les schémas : le « S » = la lésion zonesLes deux dernières photos sont là pour illustrer le fait qu’il ne faut pas avoir peur de descendre, d’aller en profondeur (pour une biopsie exérèse) pour avoir tout le tissu pathologique : le but est de prendre un bon morceau

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