248-249 / 2239
Increased leakage if
The design of the rounded edge can
vary, depending on the geometry
(thickness, location and maximum
over-travel).
Rounded collimator edges
39
Penumbra widening due
to rounded leaf edges
no backup collimator
is present
Siemens 160 MLC
Tacke
et al
[11]
Utrecht 2016