case_images: PMC4390611_01
case_images: Preoperative pictures showing the mass at the glabellar area.
case_images: CRIOT2015-159647.001.jpg
case_images: PMC4390611_01_CRIOT2015-159647.001.jpg
case_images: fig1
case_images: Clinical examination revealed a painless mass in glabellar area of approximately 2 cm in diameter (Figure 1).
case_images: Coronal and axial CT images of the mass.
case_images: CRIOT2015-159647.002.jpg
case_images: PMC4390611_01_CRIOT2015-159647.002.jpg
case_images: fig2
case_images: The posterior wall of the frontal sinus and the outflow tract appeared normal (Figure 2).
case_images: Intraoperative view showing the exposed cyst before removal.
case_images: CRIOT2015-159647.003.jpg
case_images: PMC4390611_01_CRIOT2015-159647.003.jpg
case_images: fig3