Theranostics — MCQs

Cardiotoxicity caused by radiotherapy & chemotherapy is best detected by

Which phase of the cell cycle is most sensitive to radiotherapy?

Radiation exposure can lead to which type of thyroid carcinoma?

Gold standard investigation for breast carcinoma screening in a patient with silicone breast implants

A 26-year-old male presents to the outpatient department with a discrete thyroid swelling. On neck ultrasound, an isolated cystic swelling of the gland is seen. What is the risk of malignancy associated with this finding?

'Gamma knife' is a term used to denote which of the methods of treatment?

For which malignancy is intensity-modulated radiotherapy (IMRT) the most suitable?

Distant bone metastases can be best detected by which of the following imaging techniques?

A research team is developing a new radiotracer for imaging hypoxia in tumors. They need to select between 18F-labeled and 64Cu-labeled versions of the same molecule. Considering half-lives (18F: 110 min, 64Cu: 12.7 hours), positron ranges, and clinical applicability, which choice and rationale is most appropriate?

In designing a clinical protocol for PSMA PET imaging in prostate cancer, which combination of factors would provide optimal image quality while minimizing radiation exposure?