Uncovering Hidden Metastases at Unusual Site: Emphasizing the Role of 177Lu-PSMA Posttherapy Scan in Detecting Rare Foot Metastasis in mCRPC.
case_report · Level V
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- Record sourced from PubMed, PMID 39774166.
- Also identified by DOI 10.1097/RLU.0000000000005592.
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Abstract
Prostate cancer frequently metastasizes to bones; however, the detection of metastases can be challenging in rare locations. We present the case of a 76-year-old man with metastatic castration-resistant prostate cancer with lymph nodal and skeletal metastases who underwent 177Lu-prostate-specific membrane antigen (PSMA) therapy. Initial 18F-PSMA PET/CT scan acquired until the midthigh failed to identify metastases in the foot, but posttherapy 177Lu-PSMA scan revealed the presence of metastases in the navicular and cuboid bones of the right foot, which is a very rare finding. This case highlights the limitations of standard PSMA PET/CT acquisition protocol and incremental value of whole-body posttherapy scan.
Medical subject headings
- Prostatic Neoplasms, Castration-Resistant
- Positron Emission Tomography Computed Tomography