A Small Adenocarcinoma of the Lung with DistinctiveMR Manifestations (<Case reportIII>Radiologic-pathologic Correlations

概要

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We describe a case of small adenocarcinoma which showed a distinctive MR finding consisting of two different zones of MR signal intensities (SI), central intermediate- and peripheral high-SI on T2-weighted MR imaging, due to different histologic subtypes. The central zone consisted of poorly differenti-ated adenocarcinoma and the peripheral zone consisted of well differentiat-ed adenocarcinoma, with abundant clear cytoplasm. CT images showed a low density-, nearly homogeneous-nodule, which did not allow recognition of the presence of different histologic subtypes in the tumor. Contrast-enhanced CT and MR imagings showed slight enhancement. T2-weighted MR imaging was most effective in demonstrating uncommon findings of internal structures in the mass.
日本肺癌学会の論文
1999-02-20