Zhonghua er bi yan hou ke za zhi · 1998
[The application of spiral-CT three-dimensional reconstruction in chronic otitis media].
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Liu Y, Gu Z
Аннотация
OBJECTIVE: To study the use of spiral-CT three-dimensional reconstruction in chronic otitis media.
METHODS: The images of spiral-CT three-dimensional reconstruction (SCT-3DI) and surgical findings in 22 ears with chronic otitis media were compared.
RESULTS: The lesions showed in SCT-3DI were in accord with those seen in the operation. There were no bone erosion in the 3 ears with simple type otitis media, and the 19 ears with cholesteatoma showed: abnormal soft-tissue and bony erosion in the tympanic cavity and antrum; dislocation and disruption of the ossicular chain; and showed disruption of sigmoid sinus plate, tegmen tympani, semicircular canal and facial nerve canal in severe cases.
CONCLUSION: The spiral-CT has more superiority over traditional-CT in diagnosis of lesions in chronic otitis media before operation.
METHODS: The images of spiral-CT three-dimensional reconstruction (SCT-3DI) and surgical findings in 22 ears with chronic otitis media were compared.
RESULTS: The lesions showed in SCT-3DI were in accord with those seen in the operation. There were no bone erosion in the 3 ears with simple type otitis media, and the 19 ears with cholesteatoma showed: abnormal soft-tissue and bony erosion in the tympanic cavity and antrum; dislocation and disruption of the ossicular chain; and showed disruption of sigmoid sinus plate, tegmen tympani, semicircular canal and facial nerve canal in severe cases.
CONCLUSION: The spiral-CT has more superiority over traditional-CT in diagnosis of lesions in chronic otitis media before operation.