They are found both in the gastrointestinal tract and on the uterine mucosa; mixed, which have signs of stromectol two pills previous varieties.
This is the most common type of colon polyps; villous, which are characterized by a significant shortening of the legs or its absence.
Most villous polyps have a broad base; their malignancy index is the highest and amounts to 40%. After removal of villous polyps, recurrence occurs in about 1/3 of cases.
Least of all, a tubular polyp undergoes malignant transformation.
The number of polyposis formations is extremely important in prognostic terms. Single polyps become malignant in 1-4% of cases and have a favorable prognosis. Multiple polyps are malignant in approximately 20% of cases. Diffuse polyposis is usually characterized by a massive lesion (there are hundreds and thousands of polyps, and sometimes there are no areas of unaffected mucous membrane at all) and has a significant tendency to malignancy - from 80 to 100%.
Single polyps become malignant in 1-4% of cases and have a favorable prognosis. As a rule, when the polyp reaches a significant size (2-3 cm), the following symptoms appear: Upon reaching a gigantic size, polyps can provoke intestinal obstruction. Adenomatous polyp of the endometrium, as in the previous case, often develops asymptomatically. Signs of pathology appear with an increase in polyposis growth to a significant size. It is possible for the polyp to grow through the cervical canal into the lumen of the vagina.