Children with mutations in the APC gene may develop a variety of symptoms, including:
Numerous polyps in the colon and rectum, usually appearing during the teenage years Gastrointestinal symptoms such as diarrhea, abdominal pain, or rectal bleeding Extra-intestinal manifestations like CHRPE (Congenital Hypertrophy of the Retinal Pigment Epithelium) Osteomas, epidermoid cysts, and dental abnormalities