Morphometric analysis of CT scans of the facial canal in Bell's palsy: A study of 51 patients.

The article discusses a study to compare the anatomical criteria ofthe facial canal on petrous computed tomography (CT) scans from Bell's palsy (BP) patients and controls. Topics discussed include the measurement of the size of the bony canal of the facial nerve on CT scans, several aetiological factors causing BP such as viral infections, autoimmune reactions or ischaemic neuropathy of the vasa nervorum, and angles of the first and second genu.