The purpose of this procedure is to avoid to the extent possible oblique inclusions which contain very little of the submucosa, and to avoid samples of only the "head" which in which the observable tissue is either rectal mucosa or muscularis mucosa Figure 4.
El propósito de este procedimiento es evitar en la medida de lo posible las inclusiones oblicuas donde queda muy poca submucosa representada o de "cabeza" donde todo el tejido observable corresponde a mucosa rectal o muscular de la mucosa figura 4.