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PET/CT-Guided Percutaneous Biopsy of Isolated Intramuscular Metastases from Postcricoid Cancer

Department of Radiology, Bangalore Institute of Oncology and Health Care Global, Bangalore, India

Correspondence: For correspondence or reprints contact: M.J. Govindarajan, No. 6, 3rd cross, LIC colony, Basaveshwar Nagar, Bangalore, 560079 India. E-mail: revathigovind{at}gmail.com

¹⁸F-FDG PET/CT has made it possible to identify many unsuspected lesions such as isolated intramuscular metastases because of its ability to detect abnormal metabolic activity in an early stage even without clinical symptoms or morphologic changes. We need to modify our routine techniques for performing biopsies of such lesions because they may not be visualized on morphologic imaging. We describe a technique in which fused PET/CT is used to guide the percutaneous biopsy needle for sampling isolated intramuscular metastatic lesions in a patient whose intramuscular metastases were identified only on PET/CT, not on CT or ultrasound, and were clinically occult.

Key Words: molecular imaging; PET/CT; biopsy; metastases