Benign lesion
Welldefined (more common) or infiltrating
Imaging:
CT and MR shows lipid and blood components
On imaging it is difficult to distinguish between angiolipoma and hemangioma with fatty degeneration
Mangement:
Facial nerve preserving complete excision
Do not recur
References:
Lowe LH et al. Swelling at the Angle of the Mandible: Imaging of the Pediatric Parotid Gland and Periparotid Region. Radiographics. 2001;21:1211-1227