Mark H. Knelson, MD, thought his IR career had come to an early end—until he discovered locum tenens work. At the start of the COVID-19 pandemic, Dr. Knelson heard that one of the radiology groups in his town was short on IRs. Because it was so close to his home—approximately 13 minutes—he offered to help, including taking call as needed. In the audio version of "The unexpected locum" (Fall 2025 IR Quarterly), senior editorial manager Hope Racine describes the career of Mark H. Knelson,...
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Mark H. Knelson, MD, thought his IR career had come to an early end—until he discovered locum tenens work. At the start of the COVID-19 pandemic, Dr. Knelson heard that one of the radiology groups in his town was short on IRs. Because it was so close to his home—approximately 13 minutes—he offered to help, including taking call as needed. In the audio version of "The unexpected locum" (Fall 2025 IR Quarterly), senior editorial manager Hope Racine describes the career of Mark H. Knelson,...
Episode 63: At the forefront of innovation | Guest: Dr. Wilfrido R. Castaneda-Zuniga
The Kinked Wire
39 minutes
6 months ago
Episode 63: At the forefront of innovation | Guest: Dr. Wilfrido R. Castaneda-Zuniga
Send us a text "We had no tools. We just had to improvise. In a way, like you said, that was what made us think, 'How can I do this?' Because you had no tools, you had to think of ways to use what you had available to do procedures that otherwise you wouldn't have been able to do back then." —Wilfrido R. Castaneda-Zuniga, MD, FSIR, on innovation in early interventional radiology In this episode, part of the ongoing celebration of the Society of Interventional Radiology (SIR) 50th anniversary...
The Kinked Wire
Mark H. Knelson, MD, thought his IR career had come to an early end—until he discovered locum tenens work. At the start of the COVID-19 pandemic, Dr. Knelson heard that one of the radiology groups in his town was short on IRs. Because it was so close to his home—approximately 13 minutes—he offered to help, including taking call as needed. In the audio version of "The unexpected locum" (Fall 2025 IR Quarterly), senior editorial manager Hope Racine describes the career of Mark H. Knelson,...
