Question
The ideal timing of radiotherapy for the tumour represented in the CT scan of child after surgery is ?
| A. |
Within 10 days.
|
| B. |
Within 2 weeks.
|
| C. |
Within 3 weeks.
|
| D. |
Any time after surgery.
|
Show Answer
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Correct Answer � A
Explanation
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|
The postoperative radiotherapy in Willm’s tumor is started within 10 days of surgery. Delay in starting RT beyond 10 days leads to tumor cell repopulation and increase in relapse rate.
Indication of RT in Willim’s tumor are:
1.Stage II, III, IV with unfavourable histology (UH)
2. Stage III & IV with favourable histology (FH)
3.Metastatic disease
4. Clear cell sarcoma of kidney in all stages.
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