Arana E, Latorre F F, Revert A, Menor F, Riesgo P, Liaño F, Diaz C
Department of Radiology, University Hospital La Fe, Valencia, Spain.
Neuroradiology. 1996 May;38(4):306-11. doi: 10.1007/BF00596575.
We studied 37 intradiploic epidermoid cysts, reviewing typical and atypical radiological features and the differential diagnosis. The most common clinical feature was a long standing lump in the scalp, occurring in 25 patients (67.7%). Plain films were the most cost-effective radiological technique in diagnosis. The typical finding was a well-defined lytic lesion with sclerotic border, seen in 29 cases (78%). Atypical lesions were those larger than 5 cm and/or with an ill-defined edge, being observed in 8 cases (22%). CT and MRI were the best methods for assessing atypical ones. In all cases with typical radiological findings a preoperative diagnosis of intradiploic epidermoid cyst was suggested.
我们研究了37例板障内表皮样囊肿，回顾了其典型和非典型的影像学特征及鉴别诊断。最常见的临床特征是头皮长期存在肿块，25例患者（67.7%）出现此症状。平片是诊断中最具成本效益的影像学技术。典型表现为边界清晰的溶骨性病变，边缘有硬化，29例（78%）可见此表现。非典型病变是指直径大于5cm和/或边缘不清晰的病变，8例（22%）观察到此类情况。CT和MRI是评估非典型病变的最佳方法。在所有具有典型影像学表现的病例中，均提示术前诊断为板障内表皮样囊肿。
