Bacteria reach the epidural space through either hematogenous dissemination (commonly due to bloodstream infection associated with a central venous catheter, intravenous drug use, or catheter-related ...

A cyst is a sac or cavity that may be filled with pus, semi-solid material, or air. It doesn’t usually cause pain until it gets large. An abscess is a painful, red infection that’s filled with pus. A ...

A pyogenic liver abscess is a pus-filled sac in the liver that occurs due to infection or injury. Treatment involves antibiotics to address the infection. Drainage may also be necessary to help ...