Archwire (Stainless Steel)
Airway stents or tracheostomy
Artificial limb
Brackets Dental (Stainless steel)
Bone Fusion (Spinal) Stimulator
Bone Growth Stimulator
Breast Tissue Expanders
Catheters with metallic components (Swan-Ganz catheter)
Cerebral artery aneurysm clips
Cochlear Implants
Color Contact Lenses
- (Circle Contact Lenses or Big Eye Contact Lenses) It may contain iron oxide and other metals, which means their use during magnetic resonance imaging (MRI) is a potential hazard.
Corneal Implants (Boston Kerato-prosthesis)
Coronary and peripheral artery stents
Crowns (Dental) stainless steel or cobalt-chrome
Dental Implants (Ferromagnetic)
Dental and Maxillofacial Implants containing magnets
Diabetic Subjects
Drug infusion pumps (insulin delivery, analgesic drugs, or chemotherapy pumps)
Electronic Retinal Implants
Feeding Tubes
Foley catheter with a temperature probe
Gastric Reflux Device
Halo vests
Harrington rods
Hearing aid
Implantable cardioverter defibrillators (ICDs)
Implantable Drug Infusion Pumps
Implantable neurostimulation systems
Implantable Pediatric Sternum Device
Insulin Pumps
Internal pacing wires
Intra-Cranial Vascular Clips
IUDs (unknown models)
Lashes
Loop Recorders
Magnetic dental implants
Mascara
- Remove it because such cosmetics often contain iron oxides that create a local artifact and may even result in eye irritation during MR imaging
Metal implants (iron-based)
Metallic Foreign Body in the Eye
Metallic fragments such as bullets, shotgun pellets, and metal shrapnel
Metallic Tattoos
Neuro-Stimulation Systems
Ocular prosthesis
Pacemakers (CIED)
Penile prosthesis
Powered hair dye
- May contain metallic particles (like Bigen).
Pregnant/possibly pregnant
Programmable shunts
Prosthesis (any type of limb, eye, penile)
Prosthetic Heart Valves
Retinal tacks
Shrapnel
Shunt (Spinal or Brain)
Spinal cord stimulators (SCS)
Surgical clips or wire sutures
Temporary Transvenous Pacing Leads
Tissue expander
Triggerfish Contact Lens
Ventricular Catheters
Wig
- Many wigs contain metal, so must be removed for scans