Which statement is false regarding familial adenomatous polyposis :
Ans. is 'a' i.e. males are usually carriers Familiar polyposis coli is an autosomal dominant* condition affecting males and females equally.It is characterized by presence of thousands of adenomatous polyps throughout the large bowel.Carcinomatous change* supervenes in these polyps in 100% of cases by the age of 30-35yrs.Therefore prophylactic colectomy is done. *
Males are usually carriers
Autosomal dominant inheritance
If not treated progress to malignancy in 100% of cases
Males and females are affected equally.
Small and Large Intestines