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題 名 | Post-traumatic Avascular Necrosis: Application of the Hawkins Sign in the Talus and the Femoral Head=外傷後缺血性骨壞死:「Hawkins徵像」在踝骨與股骨頭之應用 |
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作 者 | 李英玄; 藍顥章; 李三剛; | 書刊名 | 中華放射線醫學雜誌 |
卷 期 | 24:6 1999.12[民88.12] |
頁 次 | 頁227-231 |
分類號 | 416.12 |
關鍵詞 | 股骨壞死; 踝骨骨折; 骨折外傷; Hawkins徵像; 放射線攝影術; Necrosis; Femur fracture; Talus fracture; Trauma; Hawkins sign; Radiography; |
語 文 | 英文(English) |
中文摘要 | 對於踝骨頸部骨折的病患而言。若X光素片出現「Hawking徵像」則可確定踝骨體部將不曾發生缺血性壞死。然而它並未被應用在股骨頸部骨折的病例上。我們評估「Hawkins徵像」應用在股骨頸部骨折病例的可行性且同時相踝骨骨折的病例做比較。回溯本院過去10個踝骨骨折以及12個股骨頸部骨折病患的一般X光素片後,我們做了初步的結論:「Hawkins徵像」可以有效預測骨折後踝骨體部的血流供應情形,但並不適用在股骨頸部骨折的病例上。 |
英文摘要 | The Hawkins sign was thought tobe useful as an early negativepredictor of avascular necrosis(AVN) following a fracture throughthe talar neck. It had not, however,been applied to fractures throughthe femoral neck. We evaluated theapplicability of the Hawkins signfor fractures through the femoralneck, and compared with thosethrough the talus. Radiographs of10 ankles with fracture of the talusand 12 hips with fracture of thefemoral neck in our hospital werereviewed retrospectively. In 6 of theankles, the Hawkins sign waspositive without evidence of AVNon serial follow-up radiographs.The rest of the ankles in which theHawkins sign was absent eventuallydeveloped AVN. In contrast, noneof the hips showed a positiveHawkins sign, but AVN was notedin only 2 cases. We concluded thatthe Hawkins sign is useful forprediction of the blood-supplystatus of the talar body, but not forthe femoral head. The cause of thisdiscrepancy between the talus andthe femur is unknown. Differentareas of weight-bearing may be apossible factor. A further studywith a large number of cases andwith long-term longitudinalradiographic follow-up is necessery. |
本系統中英文摘要資訊取自各篇刊載內容。