Colorectal Carcinoma: Local Tumor Staging and Assessment of Lymph Node Metastasis by High-Resolution MR Imaging in Surgical Specimens

Figure 6

Metastatic lymph nodes showing mixed signal intensity on high-resolution T2-weighted images and irregular border contour. (a) High-resolution T2-weighted MR image (2000/70) shows lymph nodes (arrows) having mixed signal intensity and irregular border contour in the subserosal fat. (b) High-resolution T1-weighted MR image (500/20) shows lymph nodes (arrows) having irregular border contour. (c) Corresponding histopathologic section shows metastatic lymph nodes (arrows) in the subserosa. (Hematoxylin-eosin stain; original magnification: ×1.3.)

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