| [ Summary ] |
Points for diagnosing familial adenomatous polyposis (FAP) were described. Early diagnosis before the development of invasive colorectal cancer was stressed. For that purpose, family history taking and early diagnosis are essential procedures. The criteria for diagnosis were proposed. We described several patterns in the producion of adenomatous polyposis, from the diffuse type to those with sparse distribution. Recently, a new type of adenomatous polyposis of the colon has been categorized. It is caused by a defect in the MYH gene, and is inherited in an autosomal recessive manner. Care and treatment of MYH, associated polyposis, were recommended following the concepts of treatment for FAP. |