Clinical features and long-term outcomes of patients with colonic oligopolyposis of unknown etiology

Table 6 Causes of death in the colonic adenomatous polyposis of unknown etiology cohort

Malignancy causes (n = 5)	Age of death (yr)
Lung	71
Unknown (suspected) malignancy	72
Metastatic Merkle cell carcinoma	75
Gallbladder	77
Pancreas	77
Non- malignancy causes (n = 5)
Pulmonary failure.	61
Ruptured aortic aneurysm	78
Unknown	65
Shock and multi-system organ failure.	69
Cardiac arrest	75

There were 10 deaths among CPUE patients. 5 (50%) were secondary to malignancy. CRC was not reported as a cause of death. CPUE: Colonic adenomatous polyposis of unknown etiology cohort; CRC: Colorectal cancer.