This case highlights the effectiveness of 177Lu-PSMA therapy in a 70-year-old man with castration-resistant prostate cancer who has extensive skeletal metastases in posttherapeutic whole-body imaging. A 70-year-old man with extensive skeletal metastases underwent 4 cycles of 177 Lu-PSMA-617 therapy. A whole-body 177Lu-PSMA scan after the first cycle showed diffuse skeletal lesions, with minimal PSMA uptake in the kidneys and salivary glands. A whole-body scan after the fourth cycle of 177Lu-PSMA showed a complete response of skeletal metastases with normal PSMA uptake in the kidneys and salivary glands. According to RECİP 1.0, the patient was considered a complete response.
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