MRI
Coronal T1
Coronal T1 C+ fat sat
Axial T1
Axial T1 C+ fat sat
Axial T2 fat sat
Enhancing mass in the subcutaneous fat of the left alar-nasal sulcus passing posteriorly into and expanding the infraorbital nerve along the floor of the left orbit to enter the pterygopalatine fossa. Note persistent minor asymmetrical enlargement of the left maxillary nerve in the foramen rotundum (arrow).