John R. Haaga, an international expert in tomography, magnetic resonance imaging and interventional radiology, has been reappointed as the Theodore J. Castele University Professor of Radiology.

Haaga joined CWRU as an assistant professor of radiology in 1979 after serving as a staff radiologist at the Cleveland Clinic Foundation for three years. In 1981 he was promoted to professor, and in 1993 he was named chair of the radiology department.

His contributions to medicine include the first computed tomography-guided biopsy, abscess drainage, nerve blocks, alcohol ablation and longitudinal computed tomography scan.

Haaga has published 150 articles, 43 book chapters and nine books and has been granted seven patents.

He has served as president of the Society of Computed Body Tomography and the Cleveland Radiologic Society.

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