No patient recoveredcompletely; 2 had partial return of function, and 2reported no improvement. ● CONCLUSIONS: Branch facial nerve palsy can occurwith temporal artery biopsy and is likely to result inpermanent disability. In all cases the incision was placedwithin the known course of the frontal branch of thefacial nerve. To prevent this rare complication, weadvocate biopsy of the parietal, rather than the frontal,branch of the superﬁcial temporal artery.