The growth of brain tumor initiating cells positively linked to glioma development and recurrence may be altered by an immunotherapy, according to a study published online Dec. 8 by Nature Neuroscience.

Digital breast tomosynthesis is a technology generating lots of buzz in imaging, and it was the focus of two of this week’s top stories.

Navidea Biopharmaceuticals, makers of technetium-99m tilmanocept injection, otherwise known as Lymphoseek, announced FDA status for fast-track approval for the detection of lymph node involvement in head and neck cancers, according to a statement Dec. 10.

Transitioning to an ultrasound-first pathway for the imaging workup of acute appendicitis in children occurred without evidence of a corresponding increase in the proportion of patients or in the median hospital length of stay (LOS), according to a study published in the December 2013 issue of the American Journal of Roentgenology.

Formalized radiology guidelines for CT screening for lung cancer are needed due to the dearth of uniformity in screening practices reported by US academic medical centers, according to a research letter published online Dec. 9 in JAMA Internal Medicine.

Percutaneous renal cryoablation has proven to be a safe and effective alternative technique for patients who cannot undergo surgery and need to preserve their renal function, according to a study published in the December 2013 issue of the American Journal of Roentgenology.

Suspicious bone lesions spotted in patients with one known malignancy should not be assumed to represent metastases from the primary malignancy, as some of these lesions will be benign or due to a previously unknown second malignancy, according to a study published in the December issue of the American Journal of Roentgenology.

C-arm cone-beam CT-guided percutaneous transthoracic needle biopsy (PTNB) is a highly accurate and safe technique for pulmonary lesion diagnosis and may be a viable alternative to more traditional CT-guided or CT fluoroscopically-guided techniques, according to a study published online Nov. 27 in Radiology.