Most common extra-intestinal malignancy in HNPCC:
EXTRA - INTESTINAL MALIGNANCIES IN HNPCC Endometrial (39-60%)>gastric (13-19)>ovarian (6-12%) Rare Malignancies: Small intestine, pancreatic, thyroid, transitional cell epithelium in the urinary tract (renal pelvic, ureter, bladder); brain cancers.
Pancreatic carcinoma
Ca stomach
Small bowel carcinoma
Transitional cell carcinoma
Large intestine