Experimental study of chemical cholecystectomy through abdominoscopic technology

Table 1 Histopathological changes

	Gallbladder mucosa	Proximal end of cystic duct	Distant end of cystic duct	Duodenum	Neighbouring liver tissues
No.1 (2 wk)	Coagulative necrosis, focal chronic inflammatory reaction, a great deal of inflammatory granulation tissues	Mucosal necrosis, chronic inflammatory reaction	Mucosa present, chronic inflammatory reaction	No change	No change
No.2 (4 wk)	Complete necrosis, chronic inflammatory reaction, granulation tissue and scar formation	Mucosal necrosis, chronic inflammation	Slight chronic inflammatory reaction	No change	No change
No.3 (6 wk)	Complete necrosis, replaced by inflammatory granulation tissue and scar formation	Mucosal destruction, granulation tissues	Chronic inflammatory reation	No change	No change
No.4 (8 wk)	Mucosal coagulative necrosis, inflammatory granulation tissue and scar formation	Mucosal destruction, fibrous connective tissue	Inflamm atory reaction	No change	No change
No.5 (10 wk)	Mucosa completely destroyed, dropping out, scar formation	Mucosal destruction, fibrous connective tissue	No pathologic change	No change	No change