case_images: PMC2731436_01
case_images: Conventional view of a 0-IIa + IIc lesion located in the rectosigmoid colon. A definite depressed margin and irregular reddened surface of depression suggested submucosal deep invasion.
case_images: CRM2009-573981.001.jpg
case_images: PMC2731436_01_CRM2009-573981.001.jpg
case_images: fig1
case_images: A 79-year-old male was diagnosed to have a lesion of 28 mm in diameter located in the rectosigmoid colon, with a 0-IIa + IIc macroscopic type (Figure 1).
case_images: Direct observation of the submucosal and muscle layers is possible due to the utility of distal attachment.
case_images: CRM2009-573981.002.jpg
case_images: PMC2731436_01_CRM2009-573981.002.jpg
case_images: fig2
case_images: Tokyo, Japan) providing a direct observation of the sm and muscle layers (Figure 2). The resection left an ulcer bed without muscle damage or bleeding (Figure 3). The en-bloc resection and removal of the specimen was completed in approximately 80 minutes without any complication (Figure 4).
case_images: Ulcer bed after en-bloc resection of the lesion. There is no muscle damage or bleeding.
case_images: CRM2009-573981.003.jpg
case_images: PMC2731436_01_CRM2009-573981.003.jpg
case_images: fig3
case_images: Tokyo, Japan) providing a direct observation of the sm and muscle layers (Figure 2). The resection left an ulcer bed without muscle damage or bleeding (Figure 3). The en-bloc resection and removal of the specimen was completed in approximately 80 minutes without any complication (Figure 4).
case_images: A view on the en-bloc resected specimen. The surgical margin is visible.
case_images: CRM2009-573981.004.jpg
case_images: PMC2731436_01_CRM2009-573981.004.jpg
case_images: fig4
case_images: Tokyo, Japan) providing a direct observation of the sm and muscle layers (Figure 2). The resection left an ulcer bed without muscle damage or bleeding (Figure 3). The en-bloc resection and removal of the specimen was completed in approximately 80 minutes without any complication (Figure 4).
case_images: Histopathological analysis of the resected specimen showed a well-differentiated adenocarcinoma, and the depth of invasion was sm 2500 mum with negative lateral and vertical margins.
case_images: CRM2009-573981.005.jpg
case_images: PMC2731436_01_CRM2009-573981.005.jpg
case_images: fig5
case_images: Histopathological analysis of the resected specimen showed a well-differentiated adenocarcinoma, and the depth of invasion was sm 2500 mum with negative lateral and vertical margins (Figure 5).