PET/CT for staging of Hodgkin's lymphoma. CT showed involvement only in right neck. PET/CT (A: coronal views; B: transverse views; MIP = maximum-intensity projection) showed that normal-size (9-mm) upper mediastinal lymph node was clearly metabolically active, changing stage from I to II. This finding is relevant if consolidative radiation after chemotherapy is planned. Incidental normal scalene muscle uptake was noted on coronal PET.

http://jnm.snmjournals.org/cgi/content-nw/full/48/1_suppl/19S/FIG1