Fig. 3.

A case of left-sided laryngeal cancer with lymph nodes metastases (images courtesy of B. Bobek-Billewicz). (A) Axial T1-weighted MR image, with contrast enhancement. Pathological subglottic mass is visible (arrow); large metastatic lymph node is also visible on the left side (two arrows). (B and C) Diffusion-weighted images, b0 and b1200, respectively. Both the tumor and the lymph node show a persisting high signal on the b1200 image, indicating diffusion restriction. These findings are strongly indicative of the presence of malignant tissue and metastatic adenopathy. (D) Corresponding ADC-map reveals low ADC-values in the tissue and in the node, indicating presence of diffusion restriction.