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目的： 研究颈部淋巴结结核的 Ｃ Ｔ 表现。方法：对１８ 例病理证实为颈部淋巴结结核病人的术前 Ｃ Ｔ 进行回顾性分析，评价病变 Ｃ Ｔ 表现，增强类型，及周围脂肪间隙。结果：颈部结核性淋巴结炎 Ｃ Ｔ 表现：（１ ） 密度不均多见，约７２ ．２２ ％ （１３／１８ ） ，呈规则环状强化或环状强化伴有壁结节；（２） Ｃ Ｔ 值平扫约２８ ～３７ Ｈ Ｕ ，增强中心６２ ～７７ Ｈ Ｕ ，环壁９１ Ｈ Ｕ ；（３） 多发结节融合伴周围脂肪间隙闭塞，占６ ６ ．６７ ％ （１２／１８ ） 。结论：颈部结核性淋巴结炎 Ｃ Ｔ 表现为密度不均，环状强化及多发结节融合伴周围脂肪间隙闭塞。
Objective: To study the CT manifestations of cervical lymph node tuberculosis. Methods: 18 cases of pathologically confirmed cervical lymph node tuberculosis were retrospectively analyzed for C T, to assess the pathological changes of C T, enhancement type, and the surrounding fat gap. Results: CT findings of cervical tuberculous lymphadenitis: (1) The density is more common, about 72. 22% (13/18), showed regular annular enhancement or annular enhancement accompanied by nodules; (2) C T value of about 28 ~ 37 H U plain enhancement center 62 ~ 77 H U, wall 91 H U; (3) multiple nodular fusion with peripheral fat gap occlusion, accounting for 6 6. 67% (12/18). CONCLUSION: C T of cervical tuberculous lymphadenitis is characterized by uneven density, circular enhancement and multiple nodular fusion with peripheral fat gap occlusion.