J Lung Cancer.  2005 Jun;4(1):51-52.

4D CT for Stereotactic Radiosurgery of Lung Cancer : A case report

• Park SH
• Song SY
• Choi EK
• Kim JH
• Ahn SD
• Shin SS
• Lee SW

Abstract

For Stereotactic Radiosurgery of lung tumor, 4 dimensional CT was done during for free breathing of the patient. The movement of the treated target was measured in the CT images, and appropriate breathing cycle was selected for treatment. For patient A, the movement of the treatment target was 10.1 mm during full breathing cycle, and 5.4 mm for treated breathing cycle, 30~70%. For patient B, the movement was 13 mm, and 3.5 mm for full breathing cycle and treated breathing cycle, respectively.

Keyword

4D-CT; Stereotactic radiosurgery; Breathing cycle

MeSH Terms

Four-Dimensional Computed Tomography*
Humans
Lung Neoplasms*
Lung*
Radiosurgery*
Respiration