Fig. 11From: State of the art in total body PETThe increase in NEC as a function of axial length for a 70-cm-long and a 140-long phantom for systems of 20, 70, 100, 140 and 200 cm axial length. Simulations are based on a Paralyzable 300-ns dead time per detector block of 5 × 5 cmBack to article page