RDTP212 Abdominal Review
Questions and 100% verified correct
answers 2025 update
1. List nine of the most common acute abdominal radiation effects - Correct Answer
Nausea, vomiting, diarrhea, fatigue, dehydration, upset stomach, loss of appetite,
erythema of the area being treated, changes in blood cell counts(leukopenia or
thrombocytopenia
What are the critical structures for the abdomen? What is the TD 5/5 for each organ? -
Correct AnswerStomach-55 Gy, Liver-30 Gy, Kidney-23 Gy, Small Bowel-45 Gy, Large
Bowel-45 Gy
In what section of the pancreas are cancerous lesions most common? - Correct
AnswerHead and neck of the pancreas
4. In what section of the stomach are cancerous lesions most common? - Correct
AnswerPyloric region
5. Immodium and lomotil are what? - Correct AnswerAnti-diarrheal medications used to
treat diarrhea
For gastric cancers, how should patients be set up? - Correct AnswerSupine. Arms
above head.
When scanning a patient with abdominal cancer, the scan should start and end where
approximately? - Correct AnswerIt starts at the diaphragm superiorly and extends down
to the pelvic brim inferiorly.
What are the three most common cancers of the abdomen? (Note: in which
organs/structures do tumors originate?) - Correct AnswerColorectal, stomach and liver.
What is the most common (90%+) form of stomach cancer? - Correct
AnswerAdenocarcinoma
If stomach cancer is being treated adjunctively with radiation, what is the normal total
dose? - Correct Answer40 - 45 Gy
What are the three dose limiting organs for stomach irradiation? - Correct AnswerLiver,
small intestine, kidneys
What are the three major divisions of the small bowel? - Correct AnswerDuodenum,
Jejunum, Ileum
Questions and 100% verified correct
answers 2025 update
1. List nine of the most common acute abdominal radiation effects - Correct Answer
Nausea, vomiting, diarrhea, fatigue, dehydration, upset stomach, loss of appetite,
erythema of the area being treated, changes in blood cell counts(leukopenia or
thrombocytopenia
What are the critical structures for the abdomen? What is the TD 5/5 for each organ? -
Correct AnswerStomach-55 Gy, Liver-30 Gy, Kidney-23 Gy, Small Bowel-45 Gy, Large
Bowel-45 Gy
In what section of the pancreas are cancerous lesions most common? - Correct
AnswerHead and neck of the pancreas
4. In what section of the stomach are cancerous lesions most common? - Correct
AnswerPyloric region
5. Immodium and lomotil are what? - Correct AnswerAnti-diarrheal medications used to
treat diarrhea
For gastric cancers, how should patients be set up? - Correct AnswerSupine. Arms
above head.
When scanning a patient with abdominal cancer, the scan should start and end where
approximately? - Correct AnswerIt starts at the diaphragm superiorly and extends down
to the pelvic brim inferiorly.
What are the three most common cancers of the abdomen? (Note: in which
organs/structures do tumors originate?) - Correct AnswerColorectal, stomach and liver.
What is the most common (90%+) form of stomach cancer? - Correct
AnswerAdenocarcinoma
If stomach cancer is being treated adjunctively with radiation, what is the normal total
dose? - Correct Answer40 - 45 Gy
What are the three dose limiting organs for stomach irradiation? - Correct AnswerLiver,
small intestine, kidneys
What are the three major divisions of the small bowel? - Correct AnswerDuodenum,
Jejunum, Ileum
