Journal
CLINICAL NUCLEAR MEDICINE
Volume 33, Issue 10, Pages 723-724Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/RLU.0b013e318184b9df
Keywords
psoas muscle; metastasis; F-18FDG; PET-CT
Funding
- NATIONAL CANCER INSTITUTE [P30CA016672] Funding Source: NIH RePORTER
- NCI NIH HHS [P30 CA016672] Funding Source: Medline
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We present the PET-CT images of a 67-year-old man who initially presented with seizures and was found to have a brain metastasis from lung adenocarcinoma. F-18 FDG PET-CT was performed for whole body staging, which showed focal hypermetabolism in the psoas muscle without any definite morphologic changes seen on the coregistered CT. Fused PET-CT images were used for assisting CT-guided needle biopsy, which showed metastatic adenocarcinoma of lung origin. The images show an extremely rare but possible site of metastasis to the psoas muscle detected by F-18 FDG PET before any definite morphologic changes, and CT may help in anatomic localization and biopsy.
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