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Syndrome reference sheet
Generated 13 Oct 2026
Gastroenterology · Gastroenterology / Polyposis syndromes Turcot syndrome
Also known as: Glioma-polyposis syndrome
Colorectal polyposis with central nervous system tumors.
- Medical specialty
- Gastroenterology
- Subspecialty
- Gastroenterology / Polyposis syndromes
- Sex & age distribution
- Male: affected; Female: affected, equal; Children: yes, brain tumors in adolescence
- Gene(s) involved
- APC, MLH1, MSH2, PMS2
Etiology & mechanism
APC or mismatch repair gene mutation.
Gene(s) involved (4)
APCMLH1MSH2PMS2
Symptoms & signs (6)
colonic polypscolorectal cancerglioblastomaheadachemedulloblastomarectal bleeding