The cause of NICO is allegedly avascular osteonecrosis (AO) (also known as ischemic osteonecrosis) due to chronic low-grade infection, or, in more modern versions of the theory, susceptibility to thrombosis.
The cause of NICO is allegedly avascular osteonecrosis (AO) (also known as ischemic osteonecrosis) due to chronic low-grade infection, or susceptibility to thrombosis. This was in more modern versions of the theory.