A case of sigmoid cancer diagnosed by EUS-FNA using a convex type forward-oblique viewing echoendoscope

Abstract

We report a case of colorectal cancer diagnosed by EUS-FNA using forward-view echo endoscope. A woman in her 50s who was introduced on suspicion of colon infiltration of other organ cancer. Her mass was located approximately 40 cm from her anus and was inaccessible with a squint endoscope. We performed EUS-FNA on the tumor using a forward-view echo endoscope. She was discharged without complications. She was diagnosed with sigmoid colon cancer, peritoneal dissemination, and ovarian metastasis by histopathological examination.