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- W2360301892 abstract "OBJECTIVE To study the normal str uctures of pter ygopalatine fossa (PPF) communications on multiplanar reconstruction (MPR)imaging. METHODS Spiral CT images were performed in 60 patients for paranasal sinusitis without abnormality in PPF communications. All original images were transferred to workstation for image processing. According to the shape and appearance of the PPF communications,the best depictive MPR images were acquired for study. RESULTS The mean transverse diameter(TD) of anterior opening(AO) and posterior opening(PO)of the bony pterygoid canal (BPC) was (5.12±0.54) mm and (3.72±0.43) mm respectively. The mean TD of the bony foramen rotundum (BFR) was (3.29±0.25)mm. In contrast to hard palatine,43 sides BPC and 41 sides BFR tilted superiorly,59 sides BPC and 52 sides BFR inferiorly,18 sides BPC and 27 sides BFR paralleled with hard palatine. Thirty nine sides BPC coursed inside sphenoid sinus,54 sides BPC in the inferior wall of sphenoid sinus,27 sides BPC outside sphenoid sinus. Palatovaginal canals were visualized in all 120 sides. Complete canals were found in 51 sides with the mean diameter of (0.88± 0.04) mm. Vomerovaginal canals were visualized in 52 sides with the mean diameter (0.51±0.02)mm. The mean anterior posterior diameter (APD) of bony sphenopalatine foramen was (6.8±0.29)mm. There was no significant difference in the PPF communications betweens male and female,and between two sides (P0.05).CONCLUSION MPR images could objectively and accurately demonstrate the shape of the PPF communications and their adjacent structures." @default.
- W2360301892 created "2016-06-24" @default.
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- W2360301892 date "2007-01-01" @default.
- W2360301892 modified "2023-09-23" @default.
- W2360301892 title "Multiplanar reconstruction of pterygopalatine fossa communications with multi-detector CT" @default.
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