Upright 3D Treatment Planning Using a Vertical CT

Anand P. Shah*, Jonathan B. Strauss, Michael C. Kirk, Sea S. Chen, Thomas K. Kroc, Thomas W. Zusag

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


In this report, we describe a novel technique used to plan and administer external beam radiation therapy to a patient in the upright position. A patient required reirradiation for thymic carcinoma but was unable to tolerate the supine position due to bilateral phrenic nerve injury and paralysis of the diaphragm. Computed tomography (CT) images in the upright position were acquired at the Northern Illinois University Institute for Neutron Therapy at Fermilab. The CT data were imported into a standard 3-dimensional (3D) treatment planning system. Treatment was designed to deliver 24 Gy to the target volume while respecting normal tissue tolerances. A custom chair that locked into the treatment table indexing system was constructed for immobilization, and port films verified the reproducibility of setup. Radiation was administered using mixed photon and electron AP fields.

Original languageEnglish (US)
Pages (from-to)82-86
Number of pages5
JournalMedical Dosimetry
Issue number1
StatePublished - Mar 1 2009


  • Immobilization
  • Radiation
  • Upright
  • Vertical CT

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Oncology
  • Radiology Nuclear Medicine and imaging

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