Discovery PET/CT 600 debuted at the RSNA meeting, taking a midtier position in GE Healthcare’s family of hybrid devices.

Low-dose PET/CT demonstrates the best sensitivity and specificity for initial staging of lymphoma, according to a study presented on Thursday at the RSNA meeting.

Out of every 10 women whose mammogram or physical exam reveals potentially cancerous cells in their breasts, approximately three of them will have additional dangerous clusters the examinations missed, according to a recent study presented at the RSNA conference Wednesday.

Prostate-specific antigen measurements are considered a useful organ-specific marker, but they are not necessarily an adequate tumor marker. PET/CT in combination with PSA levels can play a significant role in detecting and staging prostate cancer, according to two presentations Sunday at RSNA 2008.

RSNA presentations on prostate cancer staging and treatment, along with talks on radiation therapy for thoracic malignancies, have piqued the interest of cancer care specialists. But in general, oncologists and radiation oncologists conveyed some reservations about this year’s offerings in oncologic imaging and therapies.