CRO Final Exam 2 Questions & Answers 2024/2025
Sarcomas that originate in adipose tissue are referred to as:
Liposarcoma
Osteosarcoma
Leiomyosarcoma
Chondrosarcoma - ANSWERSLiposarcoma
How do sarcoma lesions spread?
Preferentially through bone
Along the path of least resistance
...
Sarcomas that originate in adipose tissue are referred to as:
Liposarcoma
Osteosarcoma
Leiomyosarcoma
Chondrosarcoma - ANSWERSLiposarcoma
How do sarcoma lesions spread?
Preferentially through bone
Along the path of least resistance
Transverse through neighboring tissue - ANSWERSAlong the path of least resistance
Pre-op RT for sarcoma causes:
Acute complications
Late complications
No side effects
Surgery is not recommended for sarcomas. - ANSWERSAcute complications
The most common type of lung cancer is:
Large cell carcinoma
Small cell carcinoma
Non-small cell carcinoma
SCC - ANSWERSNon-small cell carcinoma
The appropriate RT technique for sarcoma is to treat:
, The entire circumference of the limb.
Just the tumor bed.
A portion of the limb, sparing at least a 1 cm strip. - ANSWERSA portion of the limb, sparing at least a 1
cm strip.
SBRT's standard dose and margin expansion for lung cancer are:
A. 15 Gy/fx with 2 cm expansion from GTV to PTV
B. 12.5 Gy/fx; 0.5 cm expansion from GTV to PTV
C. 10 Gy/fx; 1 cm expansion from GTV to CTV
D. 12 Gy/fx; 0.5 cm margin on GTV to CTV; 0.5 cm margin on CTV to PTV - ANSWERSB. 12.5 Gy/fx; 0.5 cm
expansion from GTV to PTV
How does SCLC typically spread?
It begins in the smallest airways and grows slowly.
It's located centrally rarely spreads to the brain.
It's in the larger airways and spreads rapidly, usually to the brain.
It's peripherally located and spreads slowly - ANSWERSIt's in the larger airways and spreads rapidly,
usually to the brain.
Which data set will the doctor draw contours on for lung tumors?
A. MIP
B. T0
C. T50
D. Average
E. Any can be chosen. - ANSWERSA. MIP
Which of the following is the most important determinant of distant spread and survival in sarcoma?
A. Molecular subtype
B. Use of chemotherapy
C. Lymph node involvement
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