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Unilateral diaphragmatic paralysis after stereotactic ablative radiotherapy to a lung tumor abutting the course of the phrenic nerve.

Unilateral diaphragmatic paralysis after stereotactic ablative radiotherapy to a lung tumor abutting the course of the phrenic nerve. Practical radiation oncology Eke, I., Guo, H. H., Loo, J. B., Sung, A. W., Diehn, M., Vitzthum, L., Chin, A. L., Gensheimer, M. F. 2023

Abstract

We present the case of a woman with metastatic adenoid cystic carcinoma who received stereotactic ablative radiotherapy (SABR) with a total dose of 50 Gy in 4 fractions to two lung metastases and developed symptomatic left phrenic nerve injury 2 years after radiation. The maximum dose to the approximate location of the phrenic nerve was 57.7 Gy which corresponds to a biologically effective dose for late effects (using a/ß ratio?=?3) of 335.14 Gy. Here, we discuss the case, planning considerations by radiation oncologists and medical physicists, and the multidisciplinary medical management of this patient.

View details for DOI 10.1016/j.prro.2023.04.010

View details for PubMedID 37150318