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H. Kuno, K. Sakamaki, S. Fujii, K. Sekiya, K. Otani, R. Hayashi, T. Yamanaka, O. Sakai, M. Kusumoto (2018)
Comparison of MR Imaging and Dual-Energy CT for the Evaluation of Cartilage Invasion by Laryngeal and Hypopharyngeal Squamous Cell CarcinomaAmerican Journal of Neuroradiology, 39
LETTERS n their article comparing MR imaging and dual-energy CT for sented in this article, Fig 1, shows a case in which there is no Ithe evaluation of cartilage invasion by laryngeal carcinoma, the suggestion of extralaryngeal spread on either MR imaging or dual- authors correctly stated in their introduction that the diagnosis of energy CT. Much has been written on imaging of cartilage extension T4a disease—that is, tumor invading not just into but beyond the in laryngeal cancer, little of which, in my opinion, has bearing on laryngeal cartilage and into the extralaryngeal soft tissues— real-world treatment, given the goal of organ preservation, in which constitutes a potential indication for laryngectomy. However, laryngectomy is reserved for only advanced disease. what follows appears to be an exercise in establishing whether there is merely tumor infiltration into the cartilage, a finding that may only establish T3 disease and that would not constitute REFERENCE grounds for surgery. Indeed, when the treatment goal is larynx 1. Kuno H, Sakamaki K, Fujii S, et al. Comparison of MR imaging and conservation, the determination of tumor just within the cartilage dual-energy CT for the evaluation of cartilage invasion by laryngeal is not critical, and whether dual-energy CT is better than MR and hypopharyngeal squamous cell carcinoma. AJNR Am J Neurora- diol 2018;39:524–31 CrossRef Medline imaging may be moot. In fact, the only imaging example pre- X L.E. Ginsberg MD Anderson Cancer Center http://dx.doi.org/10.3174/ajnr.A5723 Houston, Texas AJNR Am J Neuroradiol 39:E97 Aug 2018 www.ajnr.org E97
American Journal of Neuroradiology – American Journal of Neuroradiology
Published: Aug 1, 2018
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