14 cases were transglottic carcinoma showing extension of mass across ventriculus larynges, narrowing cavity anterior to throat, and damaging cricoid cartilage and spooncartilage.
Results Based on the extent, the injury was classified as concussion and hydropsia, contusion and hemorrhage, compress and twist, complete or incomplete transsection of spinal cord.
RESULTS The CTfeathures of ossifying fibroma inparanasal sinus were similar torotundity or unregular single high density lump in sinus, partarea of low density, integrity bone involucrum around it.
Therefore we point out a new method of testing fragile material's strength of extension.That is to say we can measure the disk's strength of extension by pressing in its diametric.