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Comparison of two types of confocal laser endomicroscopy.
| Characteristic | Probe-based CLE (pCLE, Mauna Kea Technologies) | Endoscope-based CLE (eCLE, Pentax) | |
|---|---|---|---|
| Scan mode | A single plane | Adjustable planes | |
| Outer diameter | 1.0–2.8 mm | 12.8 mm | |
| Confocal depth | 0–70 μm | 0–250 μm | |
| Field of view | Ø 240 μm, Ø 325 μm | Ø 500 μm | |
| Frame rate | 9–12 frames/s | 0.8–1.6 frames/s | |
| Spatial resolution | 1 μm or 3.5 μm | Lateral | Axial |
| 0.7 μm | 7 μm | ||
