Colorectal

Front 1

The anatomical location where the transition of squamous epithelium and glandular epithelium occurs

Back 1

Dentate Line?

Front 2

Describe 2 differences in the radiation management of rectal tumors versus anal tumors

Back 2

Rectal tumors are treated with the patient prone at a dose of 5000 to 5500

Anal tumors are treated at 6000 cGy, supine because we have to treat the inguinal nodes with electrons

Front 3

What is the Guaiac test

Back 3

It is a FOBT fecal occult blood test and it detects blood in the stool

Front 4

What is true about Colorectal cancer

Back 4

It's a low incident in Japan and its anterior border or the lateral treatment field does not include the external iliac unless other pelvic organs are involved and 50% of Colorectal deaths are caused by local recurrences and Liver metastases and most patients present with early B stage

Front 5

A colo rectal lesion that is less than 6 to 8 cm from the anal verge would most likely be treated with adrivent post operative radiation and chemo

Back 5

False

Front 6

If an elevated CEA (SERUM carcinoembryonic antigen) fails to lower post surgical reception for rectal cancer this might indicate residual disease

Back 6

True

Front 7

If a colo rectal patient has had an APR interior perenial resection for a rectal tumor then the radiation treatment field should include the...

Back 7

Internal and presacral nodes, prostate tumor bed, scar and perineum

Front 8

What is the most common symptom for rectal cancer

Back 8

Blood in the stool

Front 9

2 of the most important prognostic factors in Colorectal cancer are depth of penetration through the bowel and what else

Back 9

Lymph node involvement

Front 10

Where does the US rank in incidents of this cancer

Back 10

2nd

Front 11

What is the most commonly used staging system for colo rectal

Back 11

DUKES

Front 12

What principal lymph node are usually involved with rectal tumors

Back 12

Internal and presacral

Front 13

What is the most outer cover of the lower 1/3 of the rectum

Back 13

Muscularis layer

Front 14

Patients with early stage rectal disease have a very high cure therefore adjuevent chemo is not required

Back 14

True

Front 15

Patients with familial adenopolyposis (fap) Will eventually develop colon cancer if untreated

Back 15

True

Front 16

What chemo agent is commonly used with radiation in adjutant treatment of GI tumors

Back 16

5FU

Front 17

The ideal conventional radiation fields and total tumor dose for adjevent treatment of rectal cancer would include what

Back 17

PA plus opposed laterals to 4500 with a tumor boost to 5000

Front 18

Which nodes are the 1st station nodes for tumor of the anal canal

Back 18

Inguinal

Front 19

At which skin dose will you see moist desquamation

Back 19

5000

Front 20

Name 2 techniques that decreases the radiation dose to the small bowel

Back 20

Have the patient prone and having a full bladder

Front 21

What does a bolus do to the skin dose when added to the surface of a treatment field

Back 21

Increases

Front 22

What is Lomotil used for ? Imodium? Pyridium?

Back 22

Diarrhea

Diarrhea

Cystitis

Front 23

What is the term defined as a constant feeling of having to have a bowel movement

Back 23

Tenesmus