Table 1.

Clinical characteristics of the 118 adenomas used for aCGH analysis

Polypoid adenomasFlat adenomas
(n = 35)(n = 83)
Total no. of patients3477
No. of patients with
 One lesion2632
 >One lesions8 (2–5)44 (2–9)
Carcinoma present24
Metastasis present1
Male/Female18/1754/29
Age (y)71.7 (53–89)69.3 (28–90)
Location
 Proximal548
 Distal1417
 Rectum1617
 Unknown1
Size (mm)19 (6–64)18 (3–100)
Paris classification
 0-Ip35
 0-IIa48
 0-IIc3
 LST-G9
 LST-F23
Histology
 Tubular1946
 Tubulovillous1328
 Villous34
 Serrated5
Dysplasia
 LGD (mild)15
 LGD (moderate)3064
 HGD (severe)414

NOTE: Patients with familial forms of CRC, IBD, or hyperplastic polyps were excluded.