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Colorectal carcinoma with bone metastases detected by 18F-choline PET/CT
Giorgio Treglia1, Luca Ceriani, Jessica Barizzi
1From the *Department of Nuclear Medicine and PET Center, Oncology Institute of Southern Switzerland, Bellinzona; and †Institute of Pathology, Locarno, Switzerland.
Abstract:
We report a case of metastatic colorectal carcinoma detected by F-choline PET/CT. A 72-year-old man with history of prostate cancer (previously treated with prostatectomy) underwent F-choline PET/CT for restaging. PET/CT revealed a focal area of increased F-choline uptake corresponding to a rectal nodule. Furthermore, 2 areas of increased radiopharmaceutical uptake were evident in the right clavicle and in the body of the 10th dorsal vertebra, corresponding to the osteolytic lesions. Based on these PET/CT findings, the patient underwent biopsy of the rectal nodule and left clavicular lesion. Histologic examination demonstrated the presence of a colorectal carcinoma metastatic to the bone.
