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KMID : 0358819840110020177
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Journal of Korean Society of Plastic and Reconstructive Surgeons
1984 Volume.11 No. 2 p.177 ~ p.181
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CLINICAL STUDY IN FRACTURES OF THE ZYGOMA
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Ahn Hee-Chang
Shin Hyun-Tae
Lew Jai-Mann
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Abstract
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Recognition of various type of zygomatic fractures and their postreduction stability is essential for correct diagnosis and proper treatment of zygomatic fractures.
We present the classification of the zygomatic fractures of 160 cases treated at HanYang University Hospital for 10 years according to modified Rowe and Killey Classification; Type 1. Non-displaced fractures 16 cases(10%). Type 1. Zygomatic arch fractures 60 cases (37.5%). Type 3. Rotation around vertical axis 8 cases (5%) A. Medial 1 case (0.6%). B. Lateral 7 cases (4.4%). Type 4. Rotation around longitudinal axis 13 cases (8%) A. Medial O.B. Lateral 13 cases (8%). Type 5. Displacement without rotation 54 cases (33.8%) A. Medial 7 cases (4.4%). B. Lateral O.C. Posterior 31 cases (19.4%). D. Inferior 16 cases (10%). Type 6. Rim fractures 6 cases (3.8%). Type 7. Complex fractures 3 cases (1.9%).
The Rowe and killey classification is superior to the widely accepted Knight and North classification and we think it will more help to predict the postreduction stability and thus help to select the mothod of treatment according to the type of fracture.
The zygomatic fractures with rotation or displacement around a vertical or longitudinal axis should be recognized before the operation and its approachs should be determined depending upon the types of fracture because postreduction stability differs considerably in the various type of zygomatic fractures.
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