Journal
CLINICAL NUCLEAR MEDICINE
Volume 48, Issue 12, Pages 1049-1050Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/RLU.0000000000004879
Keywords
metastatic castration-resistant prostate cancer; PSMA PET/CT; PSMA radioligand therapy; ultrasound-guided fine-needle aspiration cytology; BRCA mutation; next-generation sequencing
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For patients with metastatic castration-resistant prostate cancer, PSMA PET/CT can provide valuable information for subsequent treatment. Fine-needle aspiration cytology can be used to evaluate BRCA mutations and guide the selection of appropriate therapeutic options.
A 64-year-old man with metastatic castration-resistant prostate cancer presented for prostate-specific membrane antigen (PSMA) PET/CT in preparation for Lu-177-PSMA radioligand therapy. For precedent BRCA mutation assessment, fine-needle aspiration cytology of 2 PSMA-positive lymph node metastases was conducted. The acquired material was suitable for next-generation sequencing-based gene panel diagnostics and did not show a BRCA1/2 mutation, thus PSMA radioligand therapy was initiated. Fine-needle aspiration cytology of lymph node metastases may be a viable option in evaluating further therapeutic alternatives.
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