Summary. The diagnostic value of computed tomography was verified in the study of mucoceles in the paranasal sinuses involving the orbit. The CT data on 43 patients with clinical suspicion of mucocele highlight the characteristic signs; 26 were found to have a mucocele at operation.

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The objective of this study was the validation of a CT multiprojection scout view method for the evaluation of cervical spine integrity in severely head-injured patients. Following brain CT, 130 consecutive patients underwent anteroposterior, laterolateral, and 45 degrees right and left oblique scout views of the cervical spine. The method allowed direct and prompt detection of traumatic lesions of the cervical spine in ten cases without moving the patients from the scanner table.

Multiplanar and surface reconstructions are useful tools in anatomical studies. Details of ethmoid architecture which are hard to image in axial and coronal scans are well displayed by means of oblique sections. This paper addresses reformatted images of a) the nasal lateral wall; b) the middle meatus lateral wall; c) the lamina basilaris of the middle turbinate and d) the frontonasal duct.

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