Lymph nodes in the neck - Figure 2. Irregular shape and surface of metastatic lymph nodes.
The shape of a malignant lymph node is irregular, frequently lobulated in those cases where great part of the lymph node is replaced by a tumor.
Graves hyperthyroidism - case 5: a coexistent papillary carcinoma metastatisizing to the lymph nodes |
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A benign, reactive-type lymph node |
A metastatic lymph node |
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A typical, benign lymph node is presented with regular hilum, a hypoechogenic structure and lack of vascularization on Doppler mode. |
Great proprtion of the node is replaced by tumor. Note the irregular surface of the node, the lack of hilum and the irregular vascularization. |