Duke’s Classification

Question 1

What does Dukes’ A classification indicate?

Answer 1

Tumour confined to the mucosa

Represents the earliest stage of colorectal cancer with a 95% survival rate.

Question 2

What does Dukes’ B classification indicate?

Answer 2

Tumour invading bowel wall

Indicates a more advanced stage than Dukes’ A with an 80% survival rate.

Question 3

What does Dukes’ C classification indicate?

Answer 3

Lymph node metastases

Indicates spread to nearby lymph nodes with a 65% survival rate.

Question 4

What does Dukes’ D classification indicate?

Answer 4

Distant metastases

Indicates advanced cancer that has spread to distant organs with a 5% survival rate.

Question 5

What is the survival rate for Dukes’ A stage?

Answer 5

95%

Reflects high prognosis due to early detection.

Question 6

What is the survival rate for Dukes’ B stage?

Answer 6

80%

Indicates a relatively good prognosis despite deeper invasion.

Question 7

What is the survival rate for Dukes’ C stage?

Answer 7

65%

Lower survival rate due to lymph node involvement.

Question 8

What is the survival rate for Dukes’ D stage?

Answer 8

5%

Very poor prognosis due to widespread metastases.

Question 9

If Dukes’ D is resectable, what is the survival rate?

Answer 9

20%

Indicates that even with surgery, prognosis remains poor.

Question 10

What does Dukes’ A classification indicate?

Answer 10

Tumour confined to the mucosa

Represents the earliest stage of colorectal cancer with a 95% survival rate.

Question 11

What does Dukes’ B classification indicate?

Answer 11

Tumour invading bowel wall

Indicates a more advanced stage than Dukes’ A with an 80% survival rate.

Question 12

What does Dukes’ C classification indicate?

Answer 12

Lymph node metastases

Indicates spread to nearby lymph nodes with a 65% survival rate.

Question 13

What does Dukes’ D classification indicate?

Answer 13

Distant metastases

Indicates advanced cancer that has spread to distant organs with a 5% survival rate.

Question 14

What is the survival rate for Dukes’ A stage?

Answer 14

95%

Reflects high prognosis due to early detection.

Question 15

What is the survival rate for Dukes’ B stage?

Answer 15

80%

Indicates a relatively good prognosis despite deeper invasion.

Question 16

What is the survival rate for Dukes’ C stage?

Answer 16

65%

Lower survival rate due to lymph node involvement.

Question 17

What is the survival rate for Dukes’ D stage?

Answer 17

5%

Very poor prognosis due to widespread metastases.

Question 18

If Dukes’ D is resectable, what is the survival rate?

Answer 18

20%

Indicates that even with surgery, prognosis remains poor.