A petrous bone artefact on MRI: technical note.
We report an artefact seen on MRI in a patient with a cerebellopontine angle syndrome due to an epidermoid cyst. Even minute nonferromagnetic metallic particles such as gold can cause large artefacts.
Department of Neurological Sciences, Christian Medical College & Hospital, Vellore, Tamil Nadu, India.
M J
MJ
Arunkumar
R P
RP
Haran
D016477:Artifacts; D002530:Cerebellopontine Angle / Q000473:pathology*; D003937:Diagnosis, Differential; D004431:Ear, External / Q000473:pathology*; D004814:Epidermal Cyst / Q000175:diagnosis*; D005547:Foreign Bodies / Q000175:diagnosis*; D006046:Gold; D006801:Humans; D008279:Magnetic Resonance Imaging; D010579:Petrous Bone / Q000473:pathology*
D006046:Gold