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 - liver

Challenging imaging artifacts in image guidance for interventional liver procedures such as those caused by biopsy needle could be ameliorated with an optical imaging technique called epifluorescence imaging, according to a study published Oct. 10 ahead of print in Radiology.

 - red light, stop

Due to manufacturing delays and shortage in supply, Ra-223, aka Xofigo, is currently not available, the FDA announced Oct. 7. Neither the FDA nor the drug’s maker, Bayer Healthcare, have released an estimated date for when supply of Ra-223 will be restored.

 - Neon Heart

A new method of image reconstruction that synchronizes a preset phase of respiration using electrocardiography (ECG) and bioimpedance raises the image quality of PET usually degraded by breathing artifacts, the University of Eastern Finland (UEF) announced Oct. 10.

 - Neurons

A comprehensive 3D model of human neuronal pathophysiology leading to Alzheimer’s disease is now complete. The final model provides confirmation of how amyloid plaque build-up and tau neurofibrillary tangles are not just related to onset of disease, but that amyloid hastens tau pathology, according to a letter published online Oct. 12 in Nature.

 - FDA logo

Navidea Biopharmaceutical’s supplemental new drug application for sentinel lymph-node mapping agent Lymphoseek (technetium Tc 99m tilmanocept) has now been approved for detection of lymph node involvement in all solid tumors, the company announced today.