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Near Real-Time CT Fluoroscopy Using Computer Automated Scan Technology in Nonvascular Interventional Procedures

Randy D. Ernst1,2, Hyun S. Kim1,3, Akira Kawashima1, Mike R. Middlebrook1 and Carl M. Sandler1

1 Department of Radiology, The University of Texas Medical School at Houston, 5656 Kelley St., Houston, TX 77026
2 Present address: Department of Radiology, Emory University, 1364 Clifton Rd. N.E., Atlanta, GA 30322
3 Present address: Department of Radiology, Johns Hopkins Hospital, 600 N. Wolfe St., Baltimore, MD 21287-2182



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  		Fig. 1. —54-year-old woman with pancreatic mass. Sequential soft-tissue window helical CT scan was obtained with Smartprep (General Electric Medical Systems, Milwaukee, WI) during pancreatic biopsy. Note graininess of images because of low-energy technique (40 mA, 80 kVp). Guiding needle (18-gauge) was placed posterior to inferior vena cava in pancreatic head mass. Needle placement took 30 sec.

 


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  		Fig. 2A. —67-year-old man with lung nodule. Sequential lung-window helical CT scan obtained with Smartprep (General Electric Medical Systems, Milwaukee, WI) during lung biopsy shows advancement of needle in lung nodule.

 


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  		Fig. 2A. —67-year-old man with lung nodule. Last CT scan obtained confirms needle tip in lung nodule. Needle placement took 60 sec.

 

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