PMC547912_01
Laryngectomy specimen showing Gore-Tex (arrow) as a pale nodule in the paraglottic space lying beneath an intact mucosa.
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F1
Figure 1 shows the Gore-Tex in the laryngectomy specimen.
Low power magnification showing broad interlacing bands of Gortex material (white arrow) surrounded by mild foreign-body giant cell granulomatous reaction with some associated fibrosis (black arrow).
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F2
Light microscopy revealed a mild foreign-body giant cell granulomatous reaction with some associated fibrosis (Figures 2 and 3).
High power magnification showing only a small number of multinucleated foreign-body type macrophage giant cells (arrowhead) associated with the periphery of the Gortex bands (arrow). There is little evidence of breakdown of Gore-Tex.
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F3
Light microscopy revealed a mild foreign-body giant cell granulomatous reaction with some associated fibrosis (Figures 2 and 3).
Gore-Tex under crossed polaroids showing birefringence (arrow).
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F4
Figure 4 shows the Gore-Tex strip under crossed Polaroids showing birefringence of the implanted material.