“…I am altogether aware of the considerable gaps in this account and do not myself accept it as in any way definitive or final. As Montgomery has said, •' We do not know what nodular vasculitis is" and in the complexities of research and investigation that surround all aspects of this subject, it remains true that •"each case of nodular vasculitis should be considered individually and most painstakingly and unhurriedly evaluated " (Michelson, 1952).…”