multistep progression of neoplasia
Post on 31-Jan-2016
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DESCRIPTION
Multistep Progression of Neoplasia. Carcinoma-in-situ vs. Invasive carcinoma. Normal colorectal mucosa. Low-grade dysplasia. High-grade dysplasia. TNM SYSTEM. N1 = 1-3 nodes involved N2 = more than 3 nodes involved M. a = involvement of other organ b = peritoneal involvement. - PowerPoint PPT Presentation
TRANSCRIPT
Multistep Progression of Neoplasia Carcinoma-in-situ vs. Invasive carcinoma
Normal colorectal mucosa Low-grade dysplasia
High-grade dysplasia
N1 = 1-3 nodes involvedN2 = more than 3 nodes involved
M
TNM SYSTEM
a = involvement of other organb = peritoneal involvement
DUKES STAGING OF COLORECTAL CANCER
Kikuchi Staging (sessile polyp)
Haggitt Staging (peduculated polyp)
Carcinoma Arising in Colorectal Polyp
MESORECTAL EXCISION
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