hyperdenser Lymphknoten

High attenuation lymphadenopathy (or adenopathy) variably refers to abnormal lymph nodes with attenuation on CT usually higher compared to muscle, either on a noncontrast exam or following contrast administration (i.e., hyperenhancement) .

High attenuation nodes may be due to calcifications or other inorganic material:

Hypervascular metastatic and lymphoproliferative disorders can cause high attenuation lymphadenopathy due to intranodal hemorrhage (on unenhanced CT) or hyperenhancement (on contrast-enhanced CT):

Rarely, high attenuation lymphadenopathy has been described due to keratinization of metastatic squamous cell carcinoma of the head and neck .

See also

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