Which detector type is most commonly used in a gamma camera?

Which detector type is most commonly used in

Multiple choice — select the best answer

ACadmium zinc telluride (CZT)
BSodium iodide thallium-activated [NaI(Tl)]
CBismuth germanate (BGO)
DLutetium oxyorthosilicate (LSO)

✓ Correct answer: B. Sodium iodide thallium-activated [NaI(Tl)] NaI(Tl) crystals are the standard detector in Anger gamma cameras because of their high light output at 140 keV (the primary energy used in nuclear medicine) and well-established manufacturing. Semiconductor detectors like CZT are used in dedicated cardiac cameras but not the primary gamma camera platform.

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