case_images: PMC7471784_01
case_images: Preoperative CT scan showing migrating frontal sinus stent.
case_images: CRIOT2020-8885870.001.jpg
case_images: PMC7471784_01_CRIOT2020-8885870.001.jpg
case_images: fig1
case_images: The CT report showed a migrating frontal stent that pushes against the left lamina papyracea (Figure 1).
case_images: Intraoperative granulation tissue.
case_images: CRIOT2020-8885870.002.jpg
case_images: PMC7471784_01_CRIOT2020-8885870.002.jpg
case_images: fig2
case_images: III procedure performed by the senior author (I.R.H.). Intraoperatively, granulation tissue was forming around the stent, which was removed, and the specimen was sent for histopathological analysis (Figures 2 and 3).
case_images: Intraoperative stent removal.
case_images: CRIOT2020-8885870.003.jpg
case_images: PMC7471784_01_CRIOT2020-8885870.003.jpg
case_images: fig3
case_images: III procedure performed by the senior author (I.R.H.). Intraoperatively, granulation tissue was forming around the stent, which was removed, and the specimen was sent for histopathological analysis (Figures 2 and 3).
case_images: Low-power view showing granulomas and giant cells.
case_images: CRIOT2020-8885870.004.jpg
case_images: PMC7471784_01_CRIOT2020-8885870.004.jpg
case_images: fig4
case_images: The latter was initially interpreted as possible granulomatous invasive fungal sinusitis, but then proved to be foreign body granulation tissue in reaction to the stent (Figure 4).