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Table 1 Comparison of current and investigational imaging technologies

From: Optical endomicroscopy and the road to real-time, in vivo pathology: present and future

  Radiology Endoscopy Endomicroscopy
Resolution 1 cm 1 mm 100 μm ~100 μm 10 μm 1 μm
Field of view 50+ cm 30+ cm 2–5 cm 140° 3 mm 0.3 mm
Technology Radio nucleotide, DOT, PET MRI, CT, US EUS, IVMRI, X-ray Standard and high-definition video endoscopes OFDI, OCT SECM, Micro OCT, FFOCM
  Organ Organ Organ Tissue surface Architectural Cellular
Thallium MRI US White light OCT* CM
  1. *Volumetric.
  2. CM = confocal microscopy; CT = computed tomography; EUS = endoscopic ultrasound; IV = intravenous; FFOCM = full-field optical coherence microscopy; MRI = magnetic resonance imaging; OCT = optical coherence tomography; OFDI = optical frequency domain imaging; PET = positive emission tomography; SECM = spectrally encoded confocal microscopy; US = ultrasound.