Abstract
Cartilage sclerosis has been cited as a sensitive and a specific sign of neoplastic cartilage invasion, on cross-sectional computed tomography (CT) images of the larynx. We retrospectively reviewed 36 consecutive patients, who underwent a total laryngectomy for squamous cell carcinoma of the larynx. Preoperative CT images were compared with formal histological sections of the larynx in order to assess cartilage invasion by tumour. Isolated asymmetrical cartilage sclerosis was found to have a sensitivity of 62% and a specificity of 42% for predicting neoplastic cartilage invasion when compared with histopathological sections of the tumour. In this study we found that cartilage sclerosis was not a useful early radiological sign of neoplastic cartilage invasion when taken in isolation.
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