77 Artifacts and histologic pitfalls in the lung Figure 6. Trimmed apple model demonstrating displacement of ink during fresh cutting (original magnification x1.7 [A through D]). A, Pits are removed from the core. B, Ink is filled in core. C, A section is cut with clean knife to the right side. D, Same knife is used for second cut in same direction (without cleaning between [C] and [D]). Note that in (D) ink is also present at the beginning of the slice (left side). 5
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