The best replacement for scan is mri.

The best alternatives to scan are rated as following:
★★★★★  mri
★★★★  skim
★★★  interlaced
★★★  cat scan
★★★  ct scan
★★  ultrasound
★★  copy
★★  seek
★  letterbox
★  colonoscopy
★  fax
★  pet scan
★  mri scan
★  pat down
★  red laser
★  photograph
★  get hbase
★  biopsy
★  sim
★  echocardiogram
  bone density
  vip oracle
  seek sql server
  x ray
  secret reward
  mri brain
  photo
  ct
  angiogram
  fmri
  inventory backup exec
  bone scan
  ctpa
  interlace
  ct-scan
  upconvert

Your alternative for scan is not listed? Suggest!
Speaking about scan, one probably shouldn't forget about cck.

Other search terms related to scan and their ratings are:
★★★★★ cck
★★★ contrast
★★★ contrast dye
★ iv contrast
★ antivirus
★ ocr
★ uptake
spect
You have in mind a companion for scan and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of scan in all years. Click on graph for more.
scan
mri
skim