Tsou I Y, Chee T S, Tan R H
Department of Diagnostic Imaging Tan Tock Seng Hospital, Singapore.
Singapore Med J. 1997 Jun;38(6):249-51.
The lumbosacral lucent cleft was first described in association with traumatic injuries to the neck. However, we have observed this sign to be present in patients with no precursor of trauma, and we reviewed the incidence of lucent cleft sign in our local population and any characteristic features of the lucent cleft.
Four-hundred and thirty lumbosacral spine radiographs were examined prospectively over an 8-month period, with correlation with clinical findings. Follow-up radiographs were obtained at 1, 3 and 6 months for patients with the lucent cleft sign.
Nineteen patients (4.4%) were found to have lucent clefts in their lumbosacral spine X-rays. No significant change in the number and features to the lucent clefts was noted even when the symptoms had resolved after 6 months. All the lucent clefts were linear, horizontally oriented and located at the anterior edge of the adjacent vertebral body.
The lucent cleft sign in the spine, which has so far been described in association with has spinal trauma may be completely innocuous in patients with little or no symptoms.
腰骶部透亮裂隙最初是在与颈部创伤相关的病例中被描述的。然而，我们观察到该征象也存在于无创伤史的患者中，因此我们回顾了本地人群中透亮裂隙征象的发生率以及透亮裂隙的任何特征。
在8个月的时间里前瞻性地检查了430例腰骶部脊柱X线片，并与临床检查结果进行关联。对于有透亮裂隙征象的患者，在1个月、3个月和6个月时进行随访X线检查。
在腰骶部脊柱X线片中发现19例（4.4%）患者有透亮裂隙。即使6个月后症状已缓解，透亮裂隙的数量和特征也未发现明显变化。所有透亮裂隙均为线性，水平方向，位于相邻椎体的前缘。
脊柱的透亮裂隙征象，迄今为止一直被描述为与脊柱创伤相关，在症状轻微或无症状的患者中可能完全无害。
