Figure 35.1CT–PET image
showing increased activity
in enlarged lymph nodes,
particularly in the right side
of the neck.- The character and distribution of abnormal lymph nodes is helpful in reaching a diagnosis.
- Lymphadenopathy affecting two or more separate groups of nodes suggests lymphoma
or a systemic infection. - CT–PET scanning allows accurate staging of disease and assessment of maintenance of
remission in response to treatment.