Table 1 Clinicopathological features of the patients with ulcerative colitis-associated colorecal cancer

From: Earlier surveillance colonoscopy programme improves survival in patients with ulcerative colitis associated colorectal cancer: results of a 23-year surveillance programme in the Japanese population

Case

Age of Onset (years)

Age at operation (years)

Duration (years)

Histology a

Depth

Dukes

Location b

Extent c

Survival

Surveillance group

4

16

37

21

mod,por⩾well

sm

A

R

L

Alive 7y5m

5

56

65

9

well to mod

sm

A

S

T

Alive 5y10m

6

28

41

13

well

sm

A

R

T(IRA)

Alive 16y10m

7

36

49

13

well

mp

A

C

T

Alive 12y10m

8

21

41

20

well>mod>por

ss

B

R

T

Alive 9y8m

Non surveillance group

 

23

44

21

well

ss

B

D

T

Alive 11y1m

 

29

42

13

sig

se

C

S

T

Dead 1y

 

20

40

20

muc>mod>por

se

C

D

T

Dead 2y5m

 

29

47

18

sig

se

C

D

T

Dead 1m

  1. y=years; m=months. amuc=mucinous adenocarcinoma; well=well differentiated adenocarcinoma; mod=moderately differentiated adenocarcinoma; por=poorly differentiated adenocarcinoma; sig=signet-ring cell carcinoma. bR=rectum; S=sigmoid colon; D-descending colon; C=caecum. cT=total colitis; L=left-sided colitis.