TREATMENT OF LATERAL SPREADING TUMOR (26CM) WITH ENDOSCOPIC SUBMUCOSAL DISSECTION; SINGLE TUNNEL TECHNIQUE

An 81-year-old male patient presented to clinic with diarrhea nausea vomiting hypokalemia prerenal acute kidney injury. On colonoscopy flat-granular-polypoid lesion was detected, starting from anal canal at 1^st cm extending proximally approximately 20cm. There was no sign of invasion on chromoendoscopy, MRI and endoscopic ultrasonography.Patient was treated with ESD. A single tunnel from anal canal towards proximal side of the lesion was made.The lesion was removed en bloc after lateral incisions.The externalized lesion was measured as 262 mm*166 mm.The procedure duration was 186 minutes.The lesion was reported as villous adenoma with multifocal intramucosal carcinoma, all margins were clear.

Publication History

Article published online:
14 April 2022