Skull base granuloma: an unusual location idiopathic midline destructive disease

A rare case of idiopathic midline destructive disease is presented, which i s an entity of the so-called midline granuloma syndrome. Differentiation fr om other granulomas, especially from Wegener's granulomatosis, is important . This report shows the MR findings in a patient with atypical clinical pre sentation of histopathologically proven idiopathic midline destructive dise ase.