Characteristics of patients with serrated polyposis syndrome.
| Age (years) | Gender† | No. polyps (adenomas and serrated polyps)* | No. serrated polyps* | Synchronic advanced adenomas† | Location of serrated polyps† | Largest serrated polyp (mm)* | Synchronic CRC† | Surgical management† | Family history of CRC | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 57 | Female | 20 | 18 | Yes | Proximal colon | 10 | No | No | No |
| 2 | 53 | Male | 35 | 35 | No | Throughout the colon | 30 | Yes (T1N0M0) | Total colectomy | No |
| 3 | 56 | Female | 50 | 50 | No | Throughout the colon | 20 | Yes (T2N1M0) | Total colectomy | No |
| 4 | 53 | Male | 25 | 25 | No | Distal colon | 15 | No | No | No |
| 5 | 64 | Female | 40 | 30 | Yes | Throughout the colon | 40 | No | Total colectomy | No |
| 6 | 53 | Female | 21 | 21 | No | Throughout the colon | 12 | No | No | No |
| 7 | 50 | Male | 21 | 20 | No | Throughout the colon | 7 | No | No | No |
| 8 | 53 | Female | 7 | 7 | No | Proximal colon | 13 | No | No | No |
| Total | 54.8 (±4.3)* | 3 Males (37.5%) | 27.4 (±13.6)* | 25.8 (±12.9)* | 2 (25%) | 5 throughout the colon (62.5%) | 18.4 (±11.2)* | 2 (25%) | 3 (37.5%) | 0 (0%) |
*Expressed as mean±SD.
†Percentage related to the total of patients with serrated polyposis syndrome (n=8). Proximal colon is defined as proximal to the rectosigmoid.
CRC, colorectal cancer.