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目的 探讨乳糜痰的临床及影像学表现.方法 搜集6例乳糜痰完整的临床资料、直接淋巴管造影和造影后CT资料,以及1例乳糜痰的支气管镜资料,分析其CT表现及淋巴回流异常.结果 6例乳糜痰患者均有不同程度咳乳白色痰液的病史,病程5个月～ 27年不等,伴有不同程度的乳糜胸和/或乳糜心包等.乳糜痰在CT上表现为腺泡状、片絮状磨玻璃样渗出,2例伴有肺内间隔的增厚.6例中5例表现为胸导管末端梗阻,3例伴有右淋巴导管走行区对比剂异常分布,3例伴有纵隔对比剂的异常分布,2例伴有肺内对比剂的异常分布.6例均表现为髂、腰淋巴管的迂曲、扩张.1例行支气管镜检查者提示支气管黏膜下淋巴管扩张.结论 乳糜痰的临床表现具有一定的特征性,直接淋巴管造影及造影后CT可以为乳糜痰合并淋巴回流异常提供一定的信息.“,”Objective To explore the clinical and imaging findings of chyloptysis.Methods The complete clinical,direct lymphangiography and post-procedural CT data of 6 cases of chyloptysis were collected.1 case had an additional to bronchoscopy.The CT imaging and abnormal lymphatic reflux was analyzed.Results The 6 patients with chyloptysis had milk white sputum from 5 months to 27 years,accompanied by various degrees of chylothorax and/or chyloperitonium.Chyloptysis showed acinar and/or patchy ground glass exudation,accompanied by interval thickening of the lung in 2 cases.In the 6 cases,5 had thoracic duct end obstruction,accompanied by abnormal distribution of contrast agent in right lymphatic duct in 3 cases,in mediastinum in 3 cases,in lung in 2 cases.All of 6 cases had tortuous and dilated iliac and lumbar lymphatic vessels.One case showed lymphatic vessels dilation of bronchial submucosa under bronchoscopy.Conclusion The chyloptysis has characteristic clinical manifestations.The direct lymphangiography and post-procedural CT can provide a certain amount of information for abnormal lymphatic circumfluence of chyloptysis.