细支气管肺泡癌的CT与病理对照研究

探讨细支气管肺泡癌的ＣＴ表现的病理基础。材料与方法：对７３例ＢＡＣ进行回顾分析。所有病例均经手术或活检得到组织病学证实。记录病灶边缘及内部特点，与病理切片对照。结论认识ＢＡＣ的Ｃ表现和病理基础，有助于提高诊断水平。

CT-Pathologic Correlation in Bronchioloalveolar Carcinoma

Objective: To correlate the histology with the CT appearance of bronchioloalveolar carcinoma (BAC).Materials and Methods:We retrospectively reviewed CT and pathologic examinations in 73 BACs proved by surgery or biopsy. In each case, tumor lung interface and internal characteristics of BAC were recorded and correlated with histopathologic findings.Results:In solitary nodular form, CT showed lobulations in 63, spiculations in 60, plural tags in 54, bronchovascular bundles in 47, psuedocavitation in 33, peripheral emphysema in 18 and ground glass change in 12 cases with BAC. The CT appearance of BAC was most typical in alveolar type and atypical in mucous type. Coarse star shaped spiculation in CT was correlated with tumor infiltration and desmoplastic reaction. Internal psuedocavitation corresponded to air containing dilatated alveoli and patent bronchioles. Ground glass appearance was commonly seen in alveolar type of BAC. In diffuse form, CT showed consolidation, or with honeycomb appearance, or showed mutiple nodules. Among 10 cases of diffuse form of BAC, 6 were mucous type.Conclusion: It is important to recognize the CT appearance and histopathology of BAC in order to improve diagnostic ability.